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Re: 1991 lumina z-34,3.4 dohc
Posted to Technical Discussion Forum on 2/27/2006

Bob, did you follow the timing belt proceedure exactly? If the cams are off the engine will be noisey. I have fixed many of these that others have done. They usually don't bother to remove the rear cam cover when they do the timing belt and don't get the cam t... Login to read more.