Ls1 leak help!
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Joined: Dec 2014
Posts: 3
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From: Nepa
Ls1 leak help! Hey guys
After I got done with my engine build and put her back in the car (02 camaro) and had put about 1000 miles on it I started to have some fun with the car again and after the first hard pull it started leaking oil from the rear main seal, thinking I got a bad seal or messed it up putting it in I changed it out. The second one ended up leaking on me right after I took it to the track again. Now my 3rd one just started leaking after a track day. Does anyone have any clue why this keeps happening? A friend of mine thinks that the rings aren't fully seated and the blow by is putting more pressure into the motor then the pcv system can handle. Iv searched the forums and so far found nothing. Any help would be amazing. Thanks
(If I put this in the wrong section I'm sorry, kinda new here)
After I got done with my engine build and put her back in the car (02 camaro) and had put about 1000 miles on it I started to have some fun with the car again and after the first hard pull it started leaking oil from the rear main seal, thinking I got a bad seal or messed it up putting it in I changed it out. The second one ended up leaking on me right after I took it to the track again. Now my 3rd one just started leaking after a track day. Does anyone have any clue why this keeps happening? A friend of mine thinks that the rings aren't fully seated and the blow by is putting more pressure into the motor then the pcv system can handle. Iv searched the forums and so far found nothing. Any help would be amazing. Thanks
(If I put this in the wrong section I'm sorry, kinda new here)
Thread Starter
Registered User
Joined: Dec 2014
Posts: 3
Likes: 0
From: Nepa
Lol I eye balled it as best I could. However when I went to install the 2nd seal I had my step father (20 year gm master tech) take a look and make sure everything looked right and he gave the go ahead before I put it all back together.
You can eliminate the rear seal by driving the car with the oil filler cap removed (wrap a rag around the neck). If the seal stops leaking, then start looking at the PCV system. If that's OK, you might get a good read on the rings with a leakdown check...
