Information on Diesel Fuel Additives – GM Chevrolet and GMC Light Duty and Medium Duty Trucks

General Motors

NHTSA ID Number: 10222823 Manufacturer Communication Number: 03-06-04-017R Summary This service bulletin provides information on availability of Diesel Fuel additives.   TOP TIER Detergent Diesel is highly recommended for use with diesel vehicles. If your area does not have TOP TIER Detergent Diesel, GM recommends the use of ACDelco Diesel Fuel Conditioner. This will help you maintain … Read more

Diesel Exhaust Fluid Calibration Enhancement – 2010-2011 Chevrolet & GMC

2011 Chevrolet Silverado

NHTSA ID Number: 10040503 Manufacturer Communication Number: SB-11001 Summary GM SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE FUEL INJECTION SYSTEM MAY NOT OPERATE AS INTENDED. IF THIS OCCURS THE MALFUNCTION LIGHT MAY ILLUMINATE, AND VEHICLE SPEED COULD BE LIMITED. *RM UPDATED 10/4/11.   6 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET EXPRESS 2010-2011 CHEVROLET … Read more

Duramax Diesel Hard Start, No Start, DTCs P0087, P0088, P0191, P128E or Injection Pump Replacement – 2010-2016 Chevrolet & GMC

2016 Chevrolet Silverado 3500

NHTSA ID Number: 10199228 Manufacturer Communication Number: 16NA102   Summary This technical bulletin provides a procedure to clean and repair the complete fuel system due to dirt getting into the fuel system causing the vehicle to have a hard or no start.   38 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET EXPRESS 2010-2016 CHEVROLET SILVERADO 1500 2010-2013 … Read more

6.6L LBZ, LB7, LLY Duramax Diesel Engine Cylinder Head Gasket Design Change — New Head Gasket Part Numbers and Head Bolt Torque Specifications – 2001-2006 Chevrolet GMC

2006 Chevrolet Silverado

NHTSA ID Number: 10019849 Manufacturer Communication Number: 060601006 Summary INFORMATION ON 2006 6.6 LBZ LLY DURAMAX DIESEL ENGINE CYLINDER HEAD GASKET CHANGE – NEW HEAD GASKET AND TORQUE SPECIFICATION. *TT   8 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET C4500 2006 CHEVROLET C5500 2006 CHEVROLET EXPRESS 2006 CHEVROLET SILVERADO 2006 GMC C4500 2006 GMC C5500 2006 GMC … Read more

Diagnostic Tip – Exhaust Fluid Quality Poor Message Difficult To Clear – 2010-2016 Chevrolet & GMC 6.6L Duramax Diesel

2016 Chevrolet Silverado 3500

NHTSA ID Number: 10113907 Manufacturer Communication Number: PIP5007F   Summary This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will need to complete the current Service Information diagnostic for any current Diagnostic Trouble … Read more