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1998 Pontiac Bonneville SE 3.8L High Pitched Noise
Posted to GM Engine on 4/23/2003 26 Replies

This vehicle has a high pitched noise that I thought was either a water pump bearing or idler pulley bearing. After using our Engine ear the sound seamed to be coming from the area on the vibration dampner.

The noise turned out to be vacuum in the crankcase. ...

26 Replies Received (View Replies)

  Related Documents & Media  1998 Pontiac Bonneville SE

 
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Bonneville SE

VIN [No VIN Available]
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedHigh Pitched Noise
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Bonneville SE

VIN [No VIN Available]
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedHigh Pitched Noise