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2004 GMC Sierra 3500 WT 6.6L Knocks and Smokes
Posted to GM Driveability on 4/30/2011 5 Replies

Any help would be greatly appreciated. I bought this 04 GMC 6.6 LLY with 98k with the understanding it needed an engine, was told noisy. Keeping this truck to use as wrecker for shop. Checked truck out this week. Knocks bad when accelerating and extreme amount...

5 Replies Received (View Replies)

  Related Documents & Media  2004 GMC Sierra 3500 WT

 
Message Closed w/FIX

car Vehicle Data

2004 GMC Sierra 3500 WT

VIN 1GDJK342X4
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / DIESEL
EmissionsOBD-II Compliant
SymptomsKnocks and Smokes
OccursAlways
Misc.Lly
Message Closed w/FIX

car Vehicle Data

2004 GMC Sierra 3500 WT

VIN 1GDJK342X4
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / DIESEL
EmissionsOBD-II Compliant
SymptomsKnocks and Smokes
OccursAlways
Misc.Lly