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International Automotive Technicians Network
1990 Buick Riviera 3800CC Engine Bearings
Posted to GM Engine on 2/11/1998

This car came in with a warm engine knock. we performed a cylinder balance to determine which engine bearing was making the noise. Cylinders #1 & #2 made a difference in the sound. I then removed the oil pan & checked all the rod bearing clearances with pastig...

 
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car Vehicle Data

1990 Buick Riviera

VIN 1G4EZ13CLU
Engine3800 / 6 cyl
AffectedEngine Bearings
ConditionsWarm Knock
Message Closed

car Vehicle Data

1990 Buick Riviera

VIN 1G4EZ13CLU
Engine3800 / 6 cyl
AffectedEngine Bearings
ConditionsWarm Knock