Usage of E85 Fuel in GM Vehicles – GM Passenger Cars and Trucks

2015 Chevrolet Camaro

NHTSA ID Number: 10113662 Manufacturer Communication Number: 05-06-04-035E Summary This informational bulletin provides dealership personnel with information on flexible fuel vehicles (FFVs) and the usage of E85 fuel in GM vehicles.   880 Affected Products Vehicles MAKE MODEL YEAR BUICK CENTURY 2000-2005 BUICK ENCLAVE 2008-2015 BUICK ENCORE 2013-2015 BUICK LACROSSE 2005-2015 BUICK LESABRE 2000-2006 BUICK LUCERNE 2006-2012 … Read more

Engine Replacement After Severe Internal Engine Damage – Replace Intake Manifold – GM Passenger Cars and Trucks

General Motors

NHTSA ID Number: 10222205 Manufacturer Communication Number: 00-06-01-026P Summary This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.   General Information When replacing an engine due to internal damage, extreme care should be taken when transferring the intake manifold to the new Genuine GM Part service … 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

Information Regarding the Differences Between Fluid Leakage and Seepage – GM Passenger Cars and Trucks

General Motors

NHTSA ID Number: 10222777 Manufacturer Communication Number: 15-00-89-004E Summary This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.   This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. … Read more

Information on Higher Than Expected Oil Consumption – 2001-2016 Chevrolet GMC with 6.6L Duramax

2016 Chevrolet Silverado 3500

NHTSA ID Number: 10137617 Manufacturer Communication Number: 02-06-01-027D   Summary This informational bulletin provides information on higher then expected oil consumption.   Information on Engine Oil Consumption Guidelines for the 6.6L Duramax Diesel Engine All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons and piston … Read more