Question about 2002 Pontiac Grand Am

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Camshaft and bearings

I just had the head gasket replaced on my 3.4L V6. It ran afterwards with a slight bit of hesitation. 4 days later a loud ticking sound started that gets faster as I accellerate. Valves and lifters were checked and are fine. Now I'm told it is the bottom end and I should replace my engine with a rebuilt.

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There is a very good chance that it is a noisy lifter. They can look and work fine but make noise. Alot of GM cars and trucks end up doing this and there is not anything mechanicaly wrong with them. I would NOT replace the motor because of this. I have never heard of a ticking sound being caused by something in the bottom end of the motor. If it was something in that area you would probably have wrecked the motor by now, or your oil pan would be full of metal shavings.

Posted on Aug 05, 2008

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