14 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHOil in coolant & coolant in oil
Leading reported evidence
Install next week
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that performed work without a confirmed outcome
1
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Leading evidence: 'Install next week' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check air bubbles coming out of the other side' (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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Discussions that performed work without a confirmed outcome
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Discussions that contain suggestions
1
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Suggestion · Original poster
The dealer has now been advised by Porsche to repair the engine.
The dealer says that as Posrche is supplying the parts, the warranty runs concurrent to my warranty, in other words, there is no additional warranty for the repaired engine.
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Performed · outcome unconfirmed
Once water has run through the lubrication system all bearings must be replaced...which means engine has to come apart.
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Performed · outcome unconfirmed
I've heard of this being replaced without the need for a new engine.
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Discussions that contain suggestions
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Suggestion
Typically the way to check it is to put water in both sides and then pressurize one side and check for air bubbles coming out of the other side.
The dealer says that as Posrche is supplying the parts, the warranty runs concurrent to my warranty, in other words, there is no additional warranty for the repaired engine.
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Suggestion
The water to oil cooler will fail and send oil into the cooling system....making a huge mess, but is generally inexspensive to fix( replace cooler and flush cooling system).
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.
14 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: 20261026T194705Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
The "add more coolant light" on the dash went on. I brought it to the dealer. The dealer discovered that my 2001 996 coupe has coolant in the oil and oil in the coolant. It is still under warranty. The dealer is waiting instructions from Porsche-the dealer says that normally Porsche would send a new engine to be installed in the car. However, there are apparently no new engines available anywhere at this time and so Porsche may instruct the dealer to rebuild the engine. What do you think?
Depending the skills of their head mech, that could be scary. Can't believe all the extra motors Porsche built for the RMS deal have been "used up"
And what about the warranty?
The dealer has now been advised by Porsche to repair the engine. The dealer says that as Posrche is supplying the parts, the warranty runs concurrent to my warranty, in other words, there is no additional warranty for the repaired engine.
Hmm. Almost 90 percent of the time, the oil/coolant heat exchanger is what causes this problem. I've heard of this being replaced without the need for a new engine. Did the dealership confirm this was not the problem?
I had a new engine put in my 1999 C2 about three months ago because of the same problem - at 33K miles on the car... and I was quite proud that I had not had an RMS problem... Oh well... I got a new engine at Porsche's expense.
The dealer should be able to check the heat exchanger with the engine still in the car. Basically all you have to do is remove the compressor and you can slide it out under the intake distributor, it does make a huge mess though! Typically the way to check it is to put water in both sides and then pressurize one side and check for air bubbles coming out of the other side.
I just got over this exact same problem out of warranty. I brought the car to the dealer the last two times the light came on and the third time white smoke poured out and it was deemed a "mixer." Althought the car was with the dealer for ten weeks, I got an engined goodwilled from Porsche. My original had 24k on it and was out of warranty. Be pushy. This is a known problem. Put pressure on them. My car was a 2000 996.
Generally there are a couple things that can cause this to happen. The water to oil cooler will fail and send oil into the cooling system....making a huge mess, but is generally inexspensive to fix( replace cooler and flush cooling system). The other thing that could happen is a crack in a cylinder head or a failed head gasket causeing coolant to enter the lubrication system....much more exspensive to repair. Once water has run through the lubrication system all bearings must be replaced...which means engine has to come apart.
Yesterday, the District Porsche Service Manager came to the dealership to look at the engine. He told the dealer that the engine would have to be replaced. I am waiting now to learn how long it will take for this to happen.
Good news-the new engine is in the U.S. and will be installed next week. In the meantime, I have a Cayenne S loaner, which ain't all bad. My experience with Park Place Porsche has always been excellent.
