Thread: Is the intake gasket a problem on 2004 & newer 3800?

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  1. #1 Re: Is the intake gasket a problem on 2004 & newer 3800? 
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    Quote Originally Posted by 02NavyBlue View Post
    Well, it's the same dex-cool sludge. If you just had it flushed, there's no way dex-cool got that bad in that short of time. Something mixed with it.
    That is what my mechanic was thinking. I'm too busy with work and an upcoming vacation to investigate the problem so I am having him figure it out. Hopefully he is somehow able to test the oil, trans fluid, and coolant for contaminants to see what is going on.
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  2. #2 Re: Is the intake gasket a problem on 2004 & newer 3800? 
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    Well a quick pull of the trans dipstick after the car has been driven will make sure that the trans cooler isn't leaking by looking for either foamy stuff, or a loss of fluid. If that's okay, somebody put the wrong fluid in the cooling system.
    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
    2002 Grand Prix GT N/A 127k - Same as 06 Plus: Trans Cooler, DIY Aux Input, LED lighting, Suspension Upgrades, Tint, Retrofits.
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