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2009 GMC Sierra 1500 WT 4.3L Engine
Posted to GM Engine on 12/7/2015 20 Replies

We have this 4.3 GMC truck what sounds like bad piston slap or detonation while in drive and with part throttle applied that I cannot put a concise diagnosis to decide on a repair path to take. There are no codes and the noise is very audible under just the ri...

20 Replies Received (View Replies)

  Related Documents & Media  2009 GMC Sierra 1500 WT

 
Message Closed w/Summary

car Vehicle Data

2009 GMC Sierra 1500 WT

VIN 1GTEC14X89
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedEngine
ConditionsSounds Like a Diesel
Message Closed w/Summary

car Vehicle Data

2009 GMC Sierra 1500 WT

VIN 1GTEC14X89
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedEngine
ConditionsSounds Like a Diesel