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Porsche Club GB

996 engine issues

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

Discussion summary

YOUR RESEARCH996 engine issues

Leading reported evidence

Use daily

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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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
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

Car is used daily on average 6 miles per day, but was also used up and down the motorway quite regularly a little while ago.

996 engine issues
Frequently discussed work

Replace coolant tank

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

Now covered over 80k and have encountered no problems other than the need to replace the coolant tank, which i believe is common.

996 engine issues
Read full discussion summary

Leading evidence: 'Use daily' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace coolant tank' (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.

Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.

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1 matching discussions · 12 captured posts examined · 0 partial discussions

Compare 4 other evidence results

Replace coolant tank

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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 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

Now covered over 80k and have encountered no problems other than the need to replace the coolant tank, which i believe is common.

996 engine issues

Replace engines, they will have incorporated all the modifications

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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 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

As to Porsche replaced engines, they will have incorporated all the modifications that they could at the time of rebuild.

996 engine issues

Replace under warranty

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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 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 · Original poster

Do you know if the engines Porsche replaced under warranty on the 996 were of an improved specification for the liner and crank seal issues or were they just new versions with the same design?

996 engine issues

Run costs - its a 60k sports car

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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 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

And don't lose sight of running costs - its a 60k sports car when new, so tyres, brakes, other parts all need regular attention and skimping doesn't work on Porsches.

996 engine issues
Frequently discussed actions (6)

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

Replace coolant tank

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

Now covered over 80k and have encountered no problems other than the need to replace the coolant tank, which i believe is common.

996 engine issues

Replace engines, they will have incorporated all the modifications

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

As to Porsche replaced engines, they will have incorporated all the modifications that they could at the time of rebuild.

996 engine issues

Replace under warranty

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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 · Original poster

Do you know if the engines Porsche replaced under warranty on the 996 were of an improved specification for the liner and crank seal issues or were they just new versions with the same design?

996 engine issues

Run costs - its a 60k sports car

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

And don't lose sight of running costs - its a 60k sports car when new, so tyres, brakes, other parts all need regular attention and skimping doesn't work on Porsches.

996 engine issues

Run than some main stream cars

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

No problems at all, for me its been cheaper to run than some main stream cars.

996 engine issues

Use daily

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

Car is used daily on average 6 miles per day, but was also used up and down the motorway quite regularly a little while ago.

996 engine issues
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.

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

  • Porsche Club GB: 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: 20261027T140027Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

After driving a friends 996 Carrera Cup race car I realised what the 911 thing is all about and so Im now looking to buy something with my own hard earned money. I am thinking of a 996 as I can't afford a 997 but I am concerned about the engine oil leaks and liner failures, Im thinking that it will be a daily driver for the wife and I. Do you know if the engines Porsche replaced under warranty on the 996 were of an improved specification for the liner and crank seal issues or were they just new versions with the same design? Also is the 996 facelift engine improved for these issues? Any info will be great as Im not too keen on gambling!! Thanks.

POST 2Original post

Plenty of info available from owners on this site. I also found Peter Morgans publications useful and in particular the following book to provide a detailed A-Z on the 996

POST 3 / ORIGINAL POSTEROriginal post

Thanks Mike, I guess its a little unclear if the replacement engines have an improved specification as I have searched many subjects and threads and can find nothing to verify a spec improvement for the liners. Ill have to keep looking. Thanks for the advice on the book though.

POST 4Original post

No problem. I found it useful anyway. Here are some more albeit a little out of date. I only discovered these recently myself on this forum: www.cannell.co.uk/Manuals.htm

POST 5Original post

There weren't many engines failing from liner slippage, early 3.4 litre cars can suffer, later 3.6 cars don't. The numbers are fairly small, but thats no consolation. As to Porsche replaced engines, they will have incorporated all the modifications that they could at the time of rebuild. IMS (intermediate shaft) failures still happen, just last week i saw the first failure reported on a 987 3.4 litre Boxster S, despite an improved bearing design. RMS or crank seal failures affect some cars but not all - there have been numerous versions of the seal over the years with increasing effectiveness, but some cars still leak with the latest seals. Its a bit of a lottery, but if a car has made it to 70k miles succesfully then it probably has a good chance of continuing - not much consolation when you are debating whether a 996 is good enough for daily use. And don't lose sight of running costs - its a 60k sports car when new, so tyres, brakes, other parts all need regular attention and skimping doesn't work on Porsches.

POST 6Original post

I've had my 2001 since new. No problems at all, for me its been cheaper to run than some main stream cars. I have only covered 43K and apart from service and wear and tear costs she has been faultless. I hope you find the right car. Best wishes Don

POST 10Original post

My engine let go at 42000 miles. Despite full Porsche service hisory, Porsche offered me nothing by the way of goodwill payment. If you don't like gambling, carefully consider buying a car with a warranty. I think that statistically, the chances of total engine failure are less than 1%. I had adopted the philosophy that things like that never happen to me...

POST 11Original post

Hi Steve. I think that you've got to remember that most people are more prone to posting bad news about their 996's rather than the good news. I've had mine for 4 years now and haven't had anything major go wrong with it - running costs are reasonable, considering the type of car it is. Admittedly my car has only covered 21K miles (2003/03) but I think that you'd be unlucky to get a bad one. Mines for sale now but I'll be replacing it ASAP! All the best. Adrian.

POST 12Original post

I also have an early 996 on a 98 plate. Now covered over 80k and have encountered no problems other than the need to replace the coolant tank, which i believe is common. Car is used daily on average 6 miles per day, but was also used up and down the motorway quite regularly a little while ago. Its driven slowly round town and opens up on motorways. Main costs have been tyres, brake shoes and brake discs. Very reliable. I have seen some with huge oil leaks but mine was free when purchased....that was good enough for me. Good luck

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