Re: Intake gasket on GM 6.0L

Posted by bradk on February 04, 2007 at 15:40:50 from (209.240.224.217):

In Reply to: Intake gasket on GM 6.0L posted by Darin in Nebraska on February 04, 2007 at 14:21:50:

Darin,I replaced an intake valve in an '02 6.0 a few months ago.I'd say it's near impossible for the intake gaskets to leak on the newer design(5.3,6.0)engines.Not at all like the vortec 350 notorious intake failure.

There is a sevice bulletin which has a remedy for your condition.# 04-06-04-040.The throttle bore and blade gets a coke/carbon buildup and can be cleaned using a shop rag and carb cleaner.I use a pipe cleaner bristle brush and carb cleaner.

If this doesn't fix it, it says to get the PCM re-flashed with most current update at your dealer.

I cleaned the throttle bore and blade on an 03 Avalanche which had the same problem and it took care of it.Take care...

~brad

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