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1989 Other GM P-30 454CID
Posted to GM Engine on 11/21/2006 9 Replies

Only on hard acceleration and once the RPM get up pretty high I hear a fairly loud noise in the front of the engine area. It sounds like a smog pump coming apart. We removed the belt to the upper smog pump and held a long screw driver on the lower smog pump du...

9 Replies Received (View Replies)

 
Message Closed w/Summary

car Vehicle Data

1989 GM RV Chassi P-30

VIN 1GBJP37W5K
Engine454 / 8 cyl
DeliveryFI
AffectedUnknown
ConditionsNoisey
Message Closed w/Summary

car Vehicle Data

1989 GM RV Chassi P-30

VIN 1GBJP37W5K
Engine454 / 8 cyl
DeliveryFI
AffectedUnknown
ConditionsNoisey