997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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2009 997TT Coolant Leak

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Old Aug 4, 2017 | 05:56 PM
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2009 997TT Coolant Leak

Does anyone have an idea what is leaking??

Passager side.
 
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Old Aug 5, 2017 | 01:13 AM
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It can be one of the 3 flanges/hoses under the intake. It can be really hard to see. Try with an inspection camera.
 

Last edited by bsh; Aug 5, 2017 at 01:24 AM.
Old Dec 28, 2020 | 01:15 PM
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Coolant leak location?

Did you ever figure out where the coolant leak was coming from? I seem to have the same issue.
 
Old Dec 28, 2020 | 01:31 PM
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Coolant leak location?

Did you ever figure out where the coolant leak was coming from? I seem to have the same issue.
 
Old Dec 28, 2020 | 04:00 PM
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no point figuring out. If it leaks, engine out, all coolant fittings need to be replaced.

Originally Posted by jcb9025
Did you ever figure out where the coolant leak was coming from? I seem to have the same issue.
 
Old Dec 28, 2020 | 05:31 PM
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I'm having this exact leak repaired now. I first noticed a puddle forming after a short drive. I couldn't tell where it was coming from and drove home. Once on the jacks I removed the floor panel and it looked like it was coming from the seam between the engine and transmission. It was dripping from the exact spots as yours. Using my inspection camera I traced the leak to a pressed out coolant fitting on the top drivers side of the engine. I took the right side of the intake off and found multiple fittings needing attention so I took it for a shop to have a pinning job done and sharkwerks fittings installed.
It's an expensive leak...Hopefully your's will be a simple rubber hose somewhere.
 
Old Dec 28, 2020 | 06:00 PM
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Mine was the plastic elbow on the drivers side. Engine is out, have Sharkwerks elbows to go back in and AIM welding all the fittings. With engine out, there's no reason not to weld them. (There are 7) Pinning is a good temp fix, if you're not or can't pull engine, but the adhesive/glue will still fail and leak, the fitting just won't come out.
 
Old Dec 28, 2020 | 06:30 PM
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in my case, my car is leaking from secondary coolant pump to turbocharges. Found little moisture on the driver side, traced it with camera, and there is visible coolant residue around the pump.
 
Old Dec 28, 2020 | 06:31 PM
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Yeah, I thought it was my after run pump leaking too, until after I pulled engine. Debating on whether to even put it back in...More sh*t to leak later...
 
Old Dec 28, 2020 | 06:39 PM
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Im replacing everything. Better safe than sorry. Heres what mine looks like. Saw slight moisture on the bottom of the engine, literally 1 drop on the bottom of the engine, after installing Europipe exhaust. After I traced it, and saw the residue, I was devastated. Since I just got the exhaust on, I thought I could drive carefully and then address this issue by the end of the year. Took the car out, everything was fine, and all the sudden sudden power drop. Managed to get car home, saw oil leak on the front of the engine, by exhaust. Did some research, and I think FMS is leaking... Once I take engine out, will see. If that is the case, I will replace RMS as well....... 2020 totally sux

when I installed the exhaust, I did plugs as well. Pain in the ***, since I had to remove turbos because I snapped a bolt. If I knew I would do everything with engine out..




 

Last edited by letMeIn; Dec 28, 2020 at 06:45 PM.
Old Dec 29, 2020 | 10:11 AM
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The Aux water pump through the connector.... interesting, normally I see them leak around the cylinder of the pump. If all the cooling rubber/plastic is original, then a drop and refresh make sense for sure. Don't forget those turbo coolant metal to rubber lines. I had to rig one side since they were unavailable when I did my work.

Agree with the knuckles and spark plugs... been there and done that for similar things.

Ed
 
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