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1998 Pontiac Grand Prix SE 3.1L Engine
Posted to GM Engine on 10/10/2003 6 Replies

I need help on a noisy 3100. We have a tap, or knock at idle and on acceleration, hot or cold. The noise disappears on decel. Sounds just like a rod bearing starting to go. HOWEVER, the bearings were decent when changed. ALSO, killing the cylinders one by one ...

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  Related Documents & Media  1998 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Grand Prix SE

VIN 1G2WJ52M6W
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedEngine
ConditionsNoise, Knock
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Grand Prix SE

VIN 1G2WJ52M6W
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedEngine
ConditionsNoise, Knock