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Procharged 08 Corvette rear main oil leak!

This is a discussion on Procharged 08 Corvette rear main oil leak! within the Forced Induction forums, part of the LSx Technical Help Section category; 2008 Corvette with 16,000 miles, rear main oil seal started leaking after Procharger install. Dealer fixed rear main seal, then ...

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    Procharged 08 Corvette rear main oil leak!

    2008 Corvette with 16,000 miles, rear main oil seal started leaking after Procharger install. Dealer fixed rear main seal, then car was tuned on chassis dyno and the rear main seal is leaking again. The pcv system was changed as per Procharger's instructions. What Gives!

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    Senior Member Danger731's Avatar
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    the dealer gives, not your problem, it is thiers
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    Quote Originally Posted by Danger731 View Post
    the dealer gives, not your problem, it is thiers
    I can see the OP going round and round with the Dealer on this one because he supercharged it.

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    Junior Member sunburst02's Avatar
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    sunburst orange
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    oil leak

    I understand the problem that you are having. I had the same problem and even after changing the pcv system to their way I still had the problem. What is happening is that you are building to much crank case pressure and it is blowing by the seals. I had to install a small breather element from Medco on the oil fill hole and my problem was gone . I wish you good luck and happy motoring.

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    Senior Member qwkgto's Avatar
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    Quote Originally Posted by lilfreddie View Post
    2008 Corvette with 16,000 miles, rear main oil seal started leaking after Procharger install. Dealer fixed rear main seal, then car was tuned on chassis dyno and the rear main seal is leaking again. The pcv system was changed as per Procharger's instructions. What Gives!
    I would reccomend changing the pvc setup again post up some pictures and let me see what you have on it for the evac.
    mods: custom built twins, built 408 w/l92 stock GM heads,GM matching intake,drag bags,frame ties,aluminum drive shaft, performabuilt 4l80e,Yank converter,ohios fastest and quickest 04-06 GTO 9.52 at 144mph. 1.50 60ft on stock rear end and shafts/suspension,on drag radials.

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    O U 8 1 2 Spaz's Avatar
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    http://forums.corvetteforum.com/show....php?t=1626454

    sun burst is correct... what my dad did for his lingenfelter is in the above link... he hasn't had any problems with his...

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    The oil cap breather sounds like the fix, since my LS1 started leaking oil at the rear main seal as soon as the Procharger was installed.

    Do you get a heavy oil smell when you come to a stop?

    Also, it you install the breather and you are still seaping oil, then the dealer probably F-ed it up which is not uncommon if they take a short-cut while installing the new rear main seal.

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