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engine failure survey

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65 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

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YOUR RESEARCHengine failure survey

Reported or suspected cause

filler o ring

Reported cause

No successful repair reported for this finding.

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Identified cause
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Reported fixes
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that report identifying a cause
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0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Reported cause

DD/track/snow/track/rain/commuting/track.....41k and counting zero problems, one oil leak that I was sure was a RMS, turned out to be a filler o ring.

engine failure survey
Frequently discussed work

Recommend " vote

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Suggestion

I think the Boxster further got a "Recommended" vote which CR won't give to cars that overall are below average reliability.

engine failure survey
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Leading evidence: 'filler o ring' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'filler o ring' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Recommend " vote' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Compare 4 other evidence results

Repair ?" he said: "yep"

Performed · outcome unconfirmed

No successful repair reported for this finding.

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Reported fixes
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
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Performed · outcome unconfirmed

Without hesitating he said: "40 to 50%" I said: "Seriously, 40-50% of 996's you've serviced here have had their RMS repaired?" He said: "Yep".

engine failure survey

Replace engines

Performed · outcome unconfirmed

No successful repair reported for this finding.

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Reported fixes
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Unsuccessful attempts
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Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
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0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

Early on, Porsche had a supplier problem with castings and they didn't mess around, they replaced engines.

engine failure survey

Replace many engines

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
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Unsuccessful attempts
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Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

He also told me that he has replaced many engines because of similar problems.

engine failure survey

Replace under warranty (mostly)

Performed · outcome unconfirmed

No successful repair reported for this finding.

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Reported fixes
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Unsuccessful attempts
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Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

My 11,000 mile 03 C4S is a semi-daily driver and just had a complete engine replaced under warranty (mostly).

engine failure survey
Frequently discussed actions (10)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Recommend " vote

No successful repair reported for this finding.

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Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

I think the Boxster further got a "Recommended" vote which CR won't give to cars that overall are below average reliability.

engine failure survey

Repair ...but without parts, replacement is necessary

No successful repair reported for this finding.

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Discussions that contain suggestions
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

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Suggestion

He said with few exception, most of these units have no serious problems and only need minors adjustments or repair...but without parts, replacement is necessary.

engine failure survey

Repair ?" he said: "yep"

No successful repair reported for this finding.

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Reported fixes
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Unsuccessful attempts
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Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

Without hesitating he said: "40 to 50%" I said: "Seriously, 40-50% of 996's you've serviced here have had their RMS repaired?" He said: "Yep".

engine failure survey

Repair problem

No successful repair reported for this finding.

0
Reported fixes
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Unsuccessful attempts
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Discussions
Read evidence and context
Discussions that contain suggestions
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

Now the company itself has extended the warranty to 100k and issued a recall to repair the problem on all cars.

engine failure survey

Replace engine

No successful repair reported for this finding.

0
Reported fixes
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Unsuccessful attempts
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Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

it is quite unlikely you will have to replace your engine..

engine failure survey

Replace engine, tranny, or other variety of expensive things

No successful repair reported for this finding.

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Reported fixes
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Unsuccessful attempts
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Discussions
Read evidence and context
Discussions that contain suggestions
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

if the 996 is your daily driver and you don't have $15,000 at hand to POTENTIALLY replace an engine, tranny, or other variety of expensive things that have gone wrong in these vehicles..

engine failure survey

Replace engines

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

Early on, Porsche had a supplier problem with castings and they didn't mess around, they replaced engines.

engine failure survey

Replace engines at a rate of ~200 per month

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
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Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

At one point in time, Porsche was replacing engines at a rate of ~200 per month.

engine failure survey

Replace many engines

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

He also told me that he has replaced many engines because of similar problems.

engine failure survey

Replace monthly

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
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Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

I wonder how many engines Toyota replaces monthly?

engine failure survey
Reported and suspected causes (1)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

filler o ring

No successful repair reported for this finding.

1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
Discussions that report identifying a cause
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Reported cause

DD/track/snow/track/rain/commuting/track.....41k and counting zero problems, one oil leak that I was sure was a RMS, turned out to be a filler o ring.

engine failure survey
Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

65 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T142254Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I was hoping to gather some information about engine failures, and the correlation if any with the frequency of usage of the car. I wanted to know of those who have experienced engine failures (requiring replacement), how often were the cars driven...daily drivers? vs. once a week/month? and at what mileage did it occur. If you have had multiple engine failures (sorry to hear ) how many miles on the new engines when they failed. lastly what model year. Truthfully, I have to say that I am a little bummed out about the quality or lack of, with regards to the p-car. I dont really mind the expensive cost of maintenance with regards to certain items, like expansion tank, starters, MAF and yes even the RMS. But I hear so much about engine failures that I am starting to freak out. And honestly, I cant afford that. I have 47k miles on my car so far and it runs real well (with the exception of currently rebuilding the differential - dont ask, i dont know why or how!) I want to just put my mind at ease and trust the engineering of the company, or some way convince myself that since my car has reached 47k miles so far, that I am cool, if something bad was going to happen to the engine it would have already. Someone please help me calm down my nerves!!! But please also post your info for the impromptu survey. deep breaths deep breaths Thanx everyone, Peter

POST 2Original post

[Image-only post; no author-written text. Original image references:] https://rennlist.com/forums/graemlins/banghead.gif

POST 3 / ORIGINAL POSTEROriginal post

I cant tell what i am looking at. Are there metal fragments coming out from the back the car? (dont forget to post for the survey )

POST 4Original post

In my experiance, most cars that are going to have an engine failure, have had them by 50k miles.

POST 5 / ORIGINAL POSTEROriginal post

F@$%! sorry for the language, but you mean i have to remain sleepless for 3k miles more! I have a car for sale, any takers!?! I need rest already. (thanx for the post, have you had an engine failure?) Peter

POST 6Original post

I dont actually own one (yet), but lets say that I'm in a position that puts me in contact with them A LOT. As Forrest Gump said..."That all I have to say about that."

POST 7Original post

The engine on my 2002 C2 Cab bit the dust at 10,000 miles... The crankshaft pulley guide pin broke off. At first PCNA was going to replace it with a re-built engine, but the dealer from whom I had bought it used (Paramount Porsche) got involved and helped PCNA see the light... Kinda looks bad when a $105k sticker car takes a dump at 10,000 miles. They replaced it with a new engine (not re-built).

POST 8Original post

I drive MY 2000 daily, now over 50k miles and the only problem I've had is a water pump, no oil leaks ever. I sold a 97 Boxster with 105k that also had zero failures, just the normal maintenance items. It was obviously driven often. My wife has a 94 968 cab that we've put 3k miles on in the last three years. I spend 6k on it last year, on various problems, although not all were unexpected. clutch, compressor, alternator, ABS brake pump, also upgraded the brakes, timing belt that was about to break due to improper tensioning after 5k miles(lucky I checked it). Now it is leaking oil. The moral to the story. Drive it and don't worry!

POST 9Original post

i know all you guys were waiting for me to respond to this one <g> i had two engine failuires before 50,000 miles.. ($26,000).. not fun to pay two times in a row...

POST 10Original post

I drive my car every day , sun or snow and i drive it Hard I have broken a tranny and 3 RMS , no broken engines ..yet.. but I wont keep the car out of warranty.

POST 12Original post

Once again, another worthless speculative thread.

POST 13Original post

My 2000 C2 Just turned 50,000 miles with one RMS at 18,000. Car is a daily driver for the most part and has been driven really hard in DE days. I do about 6 to 8 DE events a year. Car is fine so far.

POST 14Original post

80K miles on the odo. daily driver 12 DE's/year no RMS no tranny issues early model '99 originally bought late in '98 sell the damn thing and get another nsx (reliable right?) if you can't past this mental block. not trying to run you out of this forum but i just think if it's giving you this much grief then it is not worth it.

POST 15Original post

please elaborate. how do you get access to these engines? do you work for a porsche dealership. no names needed.

POST 16 / ORIGINAL POSTEROriginal post

karlooz, nsx4pete is just my screen name - no actual nsx ownership yet! i need the back seats in the p-car for my kids at this point in time. I have always wanted a porsche and treated myself for my 30th birthday. As far as grief, I have no grief with the car, its just that in the past threads that I have done research, it seems that every time someone asks a legit question about the p-car and reliability and the like issues, people dont get a straight up answer because of stupid yeah stupid comments like lvdell's. I do want to say thanx to all who have contributed thus far with really great stats so far (80k 105k miles and such, it does make me fee better. one more thing LVdell: You know there are people on this forum who really appreciate worthwhile information. Thats why it is called a forum! DUH! If you cant post anything informative or helpful for those who actually read these posts to gain from them, then dont waste time scribbling your useless comments here on my post as you have done with all your other postings on the forum thus far. Did you think i wasnt going to respond back? NSX4PETE

POST 17Original post

NSX4PETE, Here is the problem. You can't really do a scientific survey on a BB with respect to engine reliability. It is basically meaningless. You have had no problems with your car, so why on earth would you start worrying now? Further, will it change anything if a bunch of strangers say "don't worry" or if they instead say "I blew my motor at 47,500 miles"? It just literally doesn't make any sense to try to get any satisfaction in your situation by asking what you have asked. If you are really so worried about a problem that your car apparently has given you no reason to believe you will ever have, sell it, honestly! Life is too short to worry about problems that you may or may not ever experience. TD

POST 18Original post

Hey freeloader (sorry, I mean nsxpete).....I stand 100% behind my comments and don't need to justify what I say to you. Your thread is COMPLETELY worthless since there is 1)nothing wrong with your car mr. paranoid; and 2)there is no scientific or empirical data you can obtain. But, if you want to base you feelings on anecdotal evidence go right ahead. I mean, serioiusly, go back and re-read you thread and you will understand where I am coming from. Life is WAAAAAAAYYYYYY to short to live as paranoid as you are about your car. I mean come one, Bob has dropped $50K in repairs into his car and just rolls with it. Is hit a bit chapped about having to front that kinda coin? Of course. But did it put him into a paranoid deliusion? No. Now go out and drive that car, taken care of it, and stop worrying. We'll all be better for it.

POST 20Original post

I wouldn't worry about it, I've had several 996's and they've all been solid. Watch out for the multiple dikheadz here. They like to jump on people that don't pay to write. There's lot's of good information here, even from lvdell, but with the info comes a lot of really big heads and egos. I for one, will never pay membership because of the relentess badgering telling me to do so..................................

POST 21Original post

For the record, I did not intend my advice to you, NSX4Pete, to be insulting or unhelpful. I am trying to give you my honest perspective of the dilemma you have created for yourself. In fact, I think it would be "less" helpful to you if I said "don't worry" because I have no personal knowledge of your car and my advice would be nothing more than one of those kinds of lies that good people tell you to make you feel better (e.g., "don't worry, be happy"). You may or may not have any problems in the future. You most likely will not get any useful information from here as to whether your specific car will face problems. THAT is intended to be helpful.

POST 22Original post

FWIW I think that it's legitimate to discus the reliabilty of the M96 engine. Many people have paid a lot more than they anticipated in repairs. Some people just need to sleep better at night knowing that what they purchased has a high likelyhood of trouble-free service. Heck Toyota made a business out of fulfilling that expectation. My 11,000 mile 03 C4S is a semi-daily driver and just had a complete engine replaced under warranty (mostly). The intermediate shaft bearing failed. Previously it had an RMS replaced. It's a fabulous car to drive but when the warranty expires I don't want to own it. In my view if you really want to enjoy a P car, then lease a new one for only as long as the warranty period. Then lease another one. You'll get a great night's sleep. TW

POST 23Original post

I don't blame the guy for asking this question at all, based on some of the things we've all heard about engine and RMS problems on the 996. I'm about to take the plunge on a used 99 out of warranty and I have to admit thse concerns have kept me up at night as well. It does seem like the vast majority of people have NOT needed any serious engine work, but I think we'd all feel a lot better if the numbers we're signifigantly lower, like they are on the 90-98 model years. It's still an incredible piece of engineering, but is it reliable?

POST 24Original post

Nobody's blaming anybody for wondering. But thinking that you will find out whether your car will break, or whether the cars are "reliable" generally from a BBS is a fool's errand. So, twenty people come out and say the car sucks. Does that lead you not to buy one? Do a search on this board. This subject has been beaten to death. Again, I say this in a spirit of helpfulness, not out of arrogence.

POST 25Original post

2001 @ 32,000 miles they replaced mine, use the car as daily driver from march thru november/december. metal was found in the oil I was told.

POST 26Original post

having been through two engines replacements myself, and a new transmission on the way home from having my third engine installed i am a bit biased.. yes.. but from what i have seen.. it is quite unlikely you will have to replace your engine.. BUT, compared to other vehicles of this day and age, it "Can happen" the thing i've seen with the 996 engine.. is it just "goes" out on you.. there's nothing you can do to prevent it.. it just happens.. if it keeps you from sleeping at night, then get a different or newer car... but it shouldn't.. worse comes to worse, just get a loan to pay for a replacement engine if you can't afford it at the time.. **** happens.. fix and move on.. i have to agree with what most people say.. 80% chance you won't ever have to worry about an engine replacement from what i've seen.. but it CAN happen.. it's not like a bmw or a benz, where you can drive 150k on an engine and have a 2-3% chance of it exploding.. the engine IS reliable, but it does have it's issues.. mostly undiscovered.. if the 996 is your daily driver and you don't have $15,000 at hand to POTENTIALLY replace an engine, tranny, or other variety of expensive things that have gone wrong in these vehicles.. then it may be time to consider a different or newer car.. while many people are picking these cars up for $25,000 to $30,000 doesn't mean you are buying a $25k car.. these are $80k to $100k cars, and there's a reason they are $25k now.. you take the risks associated with it.. just like buying a 7 year old tv... it can die on you.. it's not the end of the world... it can happen, but not likely... i spent $35,000 in repairs on my car in 1 month.. **** happens.. you live, learn and move on.. i was a rare exception.. one just has to realize with these cars, things CAN go wrong, but don't let it keep you away from buying one... as long as you have the cash or credit to take out a loan if needed to fix it.. it's worth it...

POST 27 / ORIGINAL POSTEROriginal post

Boy oh boy did i start up an internet fight? LOL. Again, thanx for the positive feedback, and for all the supportive comments regarding bringing up this topic. You have to ask questions in order to learn about things in life. You cant just go through life blindly and hope everything will go perfectly, especially when making an expensive purchase like a porsche. Just as others have stated as well, people do want to know this info, maybe others of you don't, and thats fine, all you have to do is refrain from commenting here in this thread and let others share info. After all the forums are full of research info, to which this thread contributes to as well. Now enough internet bitch slapping, back to the thread! What I am trying to find out ultimately is this: If enough people respond back that there engine took a crap all around say...60k miles, then although not scientific by any means, one can sort of say these engines only last for that amount of mileage. That info alone might be a help to someone who wants to buy or sell a p-car. It is by no means a definitive measure of reliability, however, if the responses come back that... if the engines haven't bit the dust by 50k or 60k miles then chances are with continued quality maintenance they can last for a long time. p.s. happy thanksgiving to all Peter

POST 28Original post

As Peter and TD in DC said you can find what you want by using the search feature. Early on, Porsche had a supplier problem with castings and they didn't mess around, they replaced engines. RMS failures hit a small percentage of the Boxster and 996 engines (I estimate about less than 2 percent but a vocal group). If off warranty it costs about 800 bucks or about twice the cost of an oil change on a ferrari. Not the end of the world. Failures are usually early on. You are past the danger period from what I've seen. The vast majority are caught and paid for under warranty. If you worry about this a lot, buy an extended warranty from your dealer, it costs about 2,500 dollars and you'll have peace of mind. It's pretty cheap insurance - OTOH it's cheap because the odds of a failure are very low. My 2000 Boxster S saw extensive track use. I sold it to a pal who tracks it extensively. No RMS problems no nothing after 5 seasons of track. Porsche makes a durable car. Enjoy it. Best

POST 29Original post

How many would it take? 5, 10, 15, 100, 1,000, 10,000? Out of how many engines worldwide? How useful would this information be, and to whom? Bob is right. But it sounds like reality doesn't really matter, so I will tell you what you want to hear. Don't worry, the vast majority of engines will not have any problems if they hit 47,000 miles without problems first. Feel better?

POST 30Original post

You know something they're right. It sounds like it's not wear related and cannot really be attributed to mileage or maintenance when it does happen. If it is keeping you up at night you should definately get the insurance--2500 is a small price to pay for your sanity! I think I'll be comfortable enough taking my chances when I buy, but that's subject to change without notice

POST 31Original post

[Image-only post; no author-written text. Original image references:] https://rennlist.com/forums/images/smilies/beerchug.gif

POST 32Original post

You're right, your engine will blow up, you will have to leverage your house to pay for it, and yes the sky is falling. Seriously, your car has shown no signs of having a problem, you have nothing to worry about. The m96 engine IS a great engine and damn near bulletproof, the 964 based wc engines had/have their own serious problems. I run the literal **** out of mine; DD/track/snow/track/rain/commuting/track.....41k and counting zero problems, one oil leak that I was sure was a RMS, turned out to be a filler o ring. The only guys posting on a board like this eat ,sleep and dream porsche, your likely to hear about problems alot more than the general buyer who just drives it daily. IF these cars had a serious design flaw you would have heard about it by now. Don't lose any sleep over it, nothing is gonna happen, doctor's orders. Welcome to the board.

POST 33Original post

a running list would be somewhat helpful. look at jason's legendary M3 grenading engine list on roadfly. it supposedly was instrumental in BMW issuing the e46 M3 bearing recall. apparently they still have engine reliability issues not to mention transmission problems as well. a list might be helpful in a class action lawsuit. OK pete, you wanna start your own list?

POST 34Original post

here are a couple of links regarding the RELIABILITY FOR THE M96 ENGINE and the infamous RMS LEAKS . both are links from renntech.org

POST 35Original post

Somewhat related, our 2003 Boxster had its engine replaced at 8k miles! At one point in time, Porsche was replacing engines at a rate of ~200 per month. Not sure about todays rate, but it scares me. Keep in mind, it doesnt mean everyone will have trouble as there are many many people here without any trouble, with anything on the 996..

POST 36Original post

My regurgitatation and 2 cents: Failures CAN happen and when they do, they are misrepresented because people don't go on forums to ask, "Help, my car is fine!" If I recall, in Consumer Reports (which is probably more statistically unbiased than forums), the M96 cars were rated above average or far above average in most categories with maybe only a couple average/below average. I think the Boxster further got a "Recommended" vote which CR won't give to cars that overall are below average reliability. This surprised me because CR usually has some kind of love-fest going on with cars like Toyota Corollas and Priuii (Priuses?). There was a European survey that found Porsche the most reliable of European brands, but behind the big 3 luxury Japanese. Mercedes was 2nd from the bottom. So, does that mean your specific car will live forever? Nope. Nobody owns the average car just like nobody has 2.5 kids. There are lemons in every model. My brother went through 3 trannies on his "reliable" Japanese car. As others have said, essentially, there's no guarantee. If it bothers you, make sure you are able to afford a failure. A buddy of mine is actually waiting for his engine to fail so he has an excuse to put in a newer/bigger motor. If somebody has an old Consumer Reports book, they can probably post the reliability reports. The current CRs don't have ratings for the 987/997 because they are too new. Hope I have helped facilitate peace between you and your car.

POST 37Original post

Hmmm... doing some quick Googling leads me to estimate Porsche's most recent annual production around 70K units. Under a 4 year warranty that's on the order of 250K to 300K cars under warranty at any given time. 200 per month is still only a 3% "chance" of an engine replacement over the entire 48 month period. The 200 number probably includes also out-of-warranty replacements, so Bob's estimate of 2% is pretty darn good!

POST 38Original post

That figure is for both in and out of warranty claims. I wonder how many engines Toyota replaces monthly? Porsche is not alone, I assure you. The Italian brands have similar issues, just at three times the cost.. All in all, any Porsche is much more road worthy when compared to other exotics. Porsche is a brand that one can drive and drive hard, right out of the box Very track worthy in stock form, I feel.

POST 39Original post

Nsx dude - maybe you should of bought a brand new P-car with a 100k bumper to bumper warranty, you are approaching the $$ with all youre " repairs "

POST 40Original post

Many engine and tranny replacements on the Porsche are done so NOT because of major problem with the unit but because parts to repair them are not available, even to the dealer. I just talked to the head Porsche Tech at a local dealer, and he just had to put in a new tranny because a shift lever gasket was not available from Porsche to fix a leak. He also told me that he has replaced many engines because of similar problems. He said with few exception, most of these units have no serious problems and only need minors adjustments or repair...but without parts, replacement is necessary. Much like the computer and electronics industry....it is cheaper to replace a non working unit than to repair it and then send the broken part to a central location for rebuild.

POST 41Original post

THANKS....I'm going to go drive mine now. Reading this thread, I just wanted to shrink wrap the car and not drive it anymore.

POST 42 / ORIGINAL POSTEROriginal post

Truly enjoying all the responses everyone, keep em coming. For whats its worth, The car has not cost me $$ except for the typical MAF, Coolant tank, and starter. Nothing out of the ordinary with exception of Differential currently being fixed (which I think I caused). I just wanted to get a feel for p-car engine durability, and if at 47k miles, I am more or less in the clear. (of course I realize nothing is for sure though). I do enjoy driving a car which I have wanted since I was a little kid. Now I get to live that dream everyday. Well except on those days when I am driving my Range Rover or Mercedes Cabriolet. Still waiting to add to the collection... an NSX-T, and just for fun a mini Cooper S JWC. Hope everyone is having / had a great thanxgiving Peter

POST 43Original post

while many individuals say the porsche engine is bulletproof, and people just post engine failures on this forum.. because they come here to complain, i think that's a ridiculous statement... i did a thread search on the most popular SL and SL AMG forum on the internet and not a SINGLE post has EVER been made about the new body style V8 or V12 engine ever needing to be replaced in the past 4 years... same type of forum, complete enthusiasts.. why aren't any of the SL enthusiasts posting about their engine failures? yet look here.. and you will find countless 03s, 04s, etc.. 996s with 8,000, 10,000, etc.. miles on them needing full replacement engines... of course the owners don't mind as much since it's under waranty.. but that shouldn't matter.. engines should NOT grenade at 8,000 miles.. there's no excuse for that in mass produced vehicles of 50,000+ units a year in this time and day...

POST 44Original post

bobporsche - there are several reasons why Sl owners don't post. First they do not tend to be as passionate about their cars as Porsche fanatics. Secondly, their cars are probably in the service bay dealing with electronic gremlins and/or recalls.

POST 45Original post

while i appreciate the untrue insight about the electronics in the new sl.. i'd rather have an electronic gremlin for a few hundred to few thousands dollars in costs than $25,000+ in engine replacements anyday..

POST 46Original post

Bob you need to remember that the MB boards (mbforum) one of the most popular has less than 2K threads in the SL (AMG) forum and less than 2K threads in the R230 forum. I spent some time there myself when looking into getting a SL about 6 months ago but the forum is mainly dominated by just a few users and a LOT of people that do NOT have SL's that are just posting about dreams and desires to learn about bling and Renntech upgrades. Whereas, here, there are over 15K threads just on the 996 forum alone. And many thousand more dealing with the M96 based car in others (986/987/997)

POST 47Original post

And your personal experiences are truly representative of all 996 owners in the world, including the fella who started this thread, so we should all get rid of our 996s and trade them for SLs, which surely must be plagued with electronic gremlins since there are some reports of them on the SL boards. Look, Bob, if you really had the experiences you claim, and I were you, then I would be disenchanted as well. The problem comes when you try to extrapolate your experiences to other engines.

POST 48Original post

LV, NOBODY posts to that forum.. that's a desert.. everyone posts to mbworld.org Check out that forum.. thousands and thousands of SL owners and thousands of threads.. mbforum is barely even used.. Bob you need to remember that the MB boards (mbforum) one of the most popular has less than 2K threads in the SL (AMG) forum and less than 2K threads in the R230 forum. I spent some time there myself when looking into getting a SL about 6 months ago but the forum is mainly dominated by just a few users and a LOT of people that do NOT have SL's that are just posting about dreams and desires to learn about bling and Renntech upgrades. Whereas, here, there are over 15K threads just on the 996 forum alone. And many thousand more dealing with the M96 based car in others (986/987/997) __________________

POST 49Original post

TD, all i'm saying is, that in this time and day, it should not be acceptable for ANY engine in any mass produced car to fail or grenade at 8,000, 10,000, 12,000, etc.. miles, even after being in production for over 6 years. Do you disagree with me, or can you name another car in the world currently being produced that has countless individuals out there with engines grenading at this low mileage with perfect maintenance records? i don't find that acceptable.. if you do, all the power to you.. but when buying a brand new car, having the engine blow up after buying it a few months later would certainly not give me much confidence in it.. i don't know about yourself..

POST 50Original post

Bob, that is the board I was referring to (my apologies...I should have posted the exact URL). Check it out if you like so you can verify my statements. I am so done with this thread. Ciao'

POST 51Original post

Mass production certain should reduce the incidence of "engine cratering" due to manufacturing defects in any brand car. Will it eliminate that possibility? Absolutely not. Perfection is an ideal that is, quite frankly, impossible to achieve. Further, there are many possible reasons for an engine to grenade, some of which are due to design, some of which are due to manufacturing defects, some of which are due to installation/service errors, engine abuse, improper maintenance, overrevs, etc. . . . It is hard enough to know what causes a single engine to crater let alone a "trend" of engines to crater. Apart from your story, and from the cylinder sleeve slippage problem on early Boxster engines, and of course the RMS leak issues (which is hardly an "engine cratering" issue), I am unaware of a "trend" or indeed even a frequency of "engine cratering" issues with Porsche engines. Of course, that doesn't mean it might not exist (who the hell am I?), but your comments about your experience somehow translating to hundreds or thousands of other Porsche owners seems baseless. If what you say really happened to you, it sucks. Sorry man. But you have no evidence that there is a "common flaw" in the Porsche engines that caused your failures and are somehow ticking time bombs in everyone else's engines. Sorry, I am just tired of hearing the "sky is falling" about these cars. If I were you, I wouldn't have confidence due to my "PERSONAL" experience. I haven't shared the experiences you have, and, quite fankly, I haven't heard about too many who have. I am satisfied, for the moment.

POST 52Original post

all i'm saying is, that in this time and day, it should not be acceptable for ANY engine in any mass produced car to fail or grenade at 8,000, 10,000, 12,000, etc.. miles, even after being in production for over 6 years. Do you disagree with me, or can you name another car in the world currently being produced that has countless individuals out there with engines grenading at this low mileage with perfect maintenance records? I'm inclined to agree with Bob, there is no reason for this engine to be blowing up at this low mileage, particularly in light of the fact that this engine design has been around for decades, not years. The problem with these boards is you don't know if 3-5 posters constitutes a trend, or just the loudest voice at a concert. By the way I can name another car that's had engine failures despite being mass produced...the 2001-02 BMW M3. Now the company itself has extended the warranty to 100k and issued a recall to repair the problem on all cars. Since Porsche has not, we can assume one of two things: 1. The problem is not nearly as serious as it's made out to be on these boards and affects a negligible percentage of cars. 2. They fix the ones in warranty and don't tell anyone of the design flaw, and when the warranty ends your out of luck. I'm not sure which is the case here, but I'm inclined to thinks its the first based on Porsche's track record. Bob is also right about the Mercedes--both sl and slk. I haven't heard a single engine failure complaint on the v8 ( TONS on the new v6 though!), but the electronic gremlins are rampant

POST 53Original post

Porsche hasn't offered a recall for RMS and makes out of warranty customers pay for RMS issues, and refuses to even address it as a problem.. (ex: the 997 was released with the same RMS problems) and that affects around 1 out of 4 owners. So why do you think 1. if porsche won't even admit RMS is an issue or problem.. why in the world would they stand up to plate an assume responsibility for a replacement costing 20 times as much? ---- Since Porsche has not, we can assume one of two things: 1. The problem is not nearly as serious as it's made out to be on these boards and affects a negligible percentage of cars. 2. They fix the ones in warranty and don't tell anyone of the design flaw, and when the warranty ends your out of luck. I'm not sure which is the case here, but I'm inclined to thinks its the first based on Porsche's track record. Bob is also right about the Mercedes--both sl and slk. I haven't heard a single engine failure complaint on the v8 ( TONS on the new v6 though!), but the electronic gremlins are rampant [/QUOTE]

POST 54Original post

And the evidence to support 1 in 4 RMS replacements is located where? I would be interested to read that.

POST 55Original post

If you go to this 996 rennlist survey, it is actually about 4 of 10... i said 1 in 4 to be conservative and fair... https://rennlist.com/forums/showthre...ght=RMS+survey from munro86: Ignacio, I think you've hit on an important point here. The statisticians have already slammed the validity of this poll, but although this forum is a subset of the total category of 996/Boxster owners, I don't believe the actual total group would seriously dent the results obtained so far.Granted not all owners are represented here,but why are people suggesting this group significantly skews the results? When I first took my 996 to the Porsche service centre, I immediatley asked what was the prevalence of RMS problems that you have seen here? Without hesitating he said: "40 to 50%" I said: "Seriously, 40-50% of 996's you've serviced here have had their RMS repaired?" He said: "Yep". So from this subset the same results are obtained as we have had here.So your suggestion that Porsche should provide any extended warranty is certainly not an outlandish one. If the poll delivered a result of say 5-10%,then it would be within exceptable limits, but its not, and something must be done about it.

POST 56Original post

13,500 miles. Intermediate shaft let loose. Engine replaced with new. Car used more for trips and enthusiastic driving than around town. No big deal though I'd get an extended warranty if I decide to keep the car beyond its warranty period.

POST 57Original post

ah, the infamous valid & empirical (detect sarcasm) 996 forum survey. .....you really need to go pick up a stats book and then you will understand why all the slamming from us statisticians. One word: anecdotal.

POST 58Original post

'00 986 '02 996 Both M96 motors running strong, no problems!!

POST 59Original post

I have previously read here that tiptronics had no better luck with RMS leaks than 6 speeds. Last months Excellence indicates that tips have less chance for RMS leaks and engine failures due to the difference in design. Are there Tip owners on the forum who have experience with RMS leaks and/or engine replacements? Before flaming me, I'm just curious and not losing any sleep over it one way or the other. As I've previously stated I've had no real issues with any of the P-cars I've owned, including 996 and 986. I do drive them regulalry and do maintenance the same as I did with older versions of the 911, notwithstanding valve adjustments of course.

POST 60 / ORIGINAL POSTEROriginal post

LvDell, is that you again!! You said Ciao couple posts back!! you know, for such a worthless thread, there really are so many people interested in commenting here, hmmm, wonder why!! you know i'm just poking fun at you right? Thanks RayS for sticking to topic. How many miles so far? Peter

POST 61Original post

Poke away my friend. Just one of those things I guess. I guess poeple comment b/c there are basically 3 types of people repsonding.....1)those that think all Porsche blow up as have theirs and they want comfort from the masses 2)those that know how reliable they are and the failures of a few is nothing to worry about 3)those that should fit into person type 2 but are paranoid that something is bound to happen to them. So where do you fit? I think I know.

POST 62Original post

Maybe buying a Porsche isn't a button off his shirt....

POST 64Original post

I start to type replies, and then I delete them because it just isn't worth it. I think this image is appropriate as well . . .

POST 65 / ORIGINAL POSTEROriginal post

Actually, it aint even a stitch!

This is a source reference. Confirm exact model applicability in the original material.