15 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHOil drain plug rounded off.
Reported or suspected cause
oe drain plug
Reported cause
No successful repair reported for this finding.
1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
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Discussions that report identifying a cause
1
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Leading evidence: 'oe drain plug' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'oe drain plug' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Install properly' (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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Performed · outcome unconfirmed
They hold up real well when removed/installed properly.
Replace oil previously and the drain plug was fine
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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Performed · outcome unconfirmed
I had changed the oil previously and the drain plug was fine.
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 · Original poster
I already had the new drain plug and 2 large cans of new oil which I use along with my Oil Filter.
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 suspect a cause
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Suspected cause
most likely the whole reason for this in the first place can be attributed to not fulling inserting the driver into the drain plug.....
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Suggestion
The second is to use a Dremel tool with a cutting disc to very carefully cut a notch in the drain plug head, then use a screwdriver (like a chisel) to tap the plug out.
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
The second is to use a Dremel tool with a cutting disc to very carefully cut a notch in the drain plug head, then use a screwdriver (like a chisel) to tap the plug out.
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.
15 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: 20261026T200546Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Does anyone have an oil pan for sale. I rounded off the alan key entry to the drain plug. I mean REALLY rounded it off trying everything to get it out. Given up. Quiker to change the oil pan with new plug so wondering if someone had one laying around in the garage. Its a 1999 C2 996. Thanks
You don't need a new sump plate, just a hammer and chisel and a new drain plug. At the outer edge of the drain plug, hit the plug with the chisel to make a notch. Then put the chisel on the notch and angle the chisel so that when you hit it with the hammer, you are pushing the plug counterclockwise. Try the LN magnetic plug, that has a much bigger allen head which is much less likely to strip.
Drill it out or use a chisel. If you go the chisel route avoid damaging the face upon which the drain plug sealing ring seals or you will chisel out the drain plug then have to remove the drain pan to replace it. The drain plug/pan interface will seep oil if the sealing surface is damaged.
BTW, drain plug stripping often happens because one doesn't insert the tool bit in all the way. The hole is deeper than it looks about 1.5 times as deep as it is wide.
What happens is the tool bit/hole fit is quite good and the tool bit will have some oil on it and actually acts as an air piston and offers enough resistance so an unsuspecting DIY'er will stop and then attempt loosen the plug. The plug may loosen this time but it feels sort of squishy. And the plug goes back in ok.
But the next time the hole has been deformed and the bit will stop short. This time it will strip.
If one is aware of this possibility though, it can be removed but almost certainly it requires hammering the tool bit into the hole to get enough bite to remove the plug with out stripping it.
Then afterwards fighting to free the tool bit from the drain plug and of course replacing the now ruined drain plug.
+1 wyovino - the LN plug is definitely the way to go. I have heard someone mention two other ways to attempt to remove a stripped plug. One is to find a hex bit that very closely matches the allen size and hammer it in there, the aluminum plug is soft and the hex bit will give a really good bite. The second is to use a Dremel tool with a cutting disc to very carefully cut a notch in the drain plug head, then use a screwdriver (like a chisel) to tap the plug out.
Oh yeah...that's what I meant..fpb111 is correct - I should have said TORX bit, not hex bit. I don't know where my mind is this morning, stayed up too late watching election results!
Ok thanks Guys for all the info. I did learn a lot from this experiance. I couldn't do it myself so took it to the local Lube shop. They change oil on our other 2 vehicles and actually do my annual inspection on the Porche. They managed to remove the plug by a size SMALLER Torx bit which they hammered over the lip of the plug. It held and came out. I already had the new drain plug and 2 large cans of new oil which I use along with my Oil Filter. They changed everything and would not charge me anything. I know the lads obviously so I slung some cash their way and told them to buy some dougnuts. SO as the old saying goes:- It's not WHAT you know but WHO you know. I got my old filter back for cutting open later today. Thanks again guys.
wait - 2 large cans of oil?
what oil
you gave them money to buy dougnuts? - they dont want dougnuts, they want beer...cold beer, lots of cold beer!!
most likely the whole reason for this in the first place can be attributed to not fulling inserting the driver into the drain plug..... make sure to use a good tool and make sure it is fully engaged - FULLY!!
all the best -
oh, what oil?
I've had this happen enough in the past which led me to get good quality Torx/Hex tools/bits which make all the difference as their design and tolerance makes it worthwhile in avoiding these situations.
I hope all's well that ends well, but it was a quicky lube joint that buggered the oil drain plug on my Boxster.
I had changed the oil previously and the drain plug was fine. In fact it was the OE drain plug. They hold up real well when removed/installed properly.
Anyhow, the next time after the quicky lube joint (I was in a hurry but it was booked -- in hindsight thank God! -- was at a dealer (a Cayman owner gave up his service slot for me) and the tech spotted the buggered drain plug right away.
He hammered the tool bit into the hole and removed the plug.
The tool bit and plug were seized and the parts counter was out drain plugs. I thought I had a spare in the car but I couldn't find it.
Thankfully the tech had an old drain plug in his tool box that he gave me. As he was installing the plug I was at the parts counter ordering 2 new ones.
As soon as they came in I tossed one into the car's center console storage bin and gave the tech the other new one for his tool box. I was prepared to replace his tool bit but he managed later to separate it from the drain plug with the tool bit suffering no harm.
I knew I couldn't be the first Porsche owner that this had happened too. Alls well that ends well. OH and an added note which really made my day here. This afternoon (same day as the drain plug was removed) I took the car to AutoHouse Porsche to have a diagnostics run in special mode from their PIWIS tester or P2T or what ever they use. I was adviced by Richard Hamilton and Loren from Renntech that the Alarm Modual had maybe slipped back to 'Transport/handover
mode and thats what was causing my inside lights and door light , plus gas door not to be working as they should be. BINGO and CORRECT... all is working just fine now at a total cost of $75.. what a day thanks to all who contributed to my dilema over the past 18 months. Something so bloody simple which I never knew about until coming on these pages and being adviced from the elite of the elite Porsche owners.
