Duramax Diesel

EN-48974 – EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber – 2002-2016 Chevrolet & GMC

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2016 Chevrolet Silverado 3500

NHTSA ID Number: 10201100 Manufacturer Communication Number: 08-06-04-003D   Summary New Tool Availability – EN-48974-EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber     133 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET C4500 2004-2009 CHEVROLET C5500 2004-2008 CHEVROLET EXPRESS 2006-2016 CHEVROLET SILVERADO 1500 2002-2016 CHEVROLET SILVERADO … Read more

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

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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

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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

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

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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