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2006 Chevrolet Express 2500 6.6L Poor Idle Quality, noise/vibration
Posted to GM Driveability on 1/9/2012 4 Replies

This Duramax has a loud noise, sounds like exhaust leak, but not a single cylinder, sounds uniform like after turbo. Also has knocking noise and vibration which seems to come from the turbo. We removed the exhaust pipes that feed into the turbo and that correc...

4 Replies Received (View Replies)

  Related Documents & Media  2006 Chevrolet Express 2500

 
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Express 2500

VIN 1GCGG292X6
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Noise/Vibration
OccursAlways
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Express 2500

VIN 1GCGG292X6
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Noise/Vibration
OccursAlways