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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

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

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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