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Re: 98 Grand am GT Motor Tick?/Knock?
Welcome to AF Jeepin Justin !!
Is this a 4 cylinder ?
If so, then it could be your timing chain or tensioner bad. This is a noisey engine anyway.
How many miles ?
A main bearing going out usualy sounds like a hammer hitting the lower block.
A rod knock is not as loud but knocks steady at a constant rpm, say while driving down the road at 55mph.
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