Information on Engine Oil Consumption Guidelines – GM Passenger Cars & Gasoline-Powered Light Duty Trucks

General Motors

NHTSA ID Number: 10222734 Manufacturer Communication Number: 01-06-01-011M Summary This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.   All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons and piston rings. When a piston moves down its cylinder, a … Read more

Engine Oil Consumption Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) – 2007-2015 Cadillac Chevrolet GMC Pontiac

2015 Chevrolet Camaro

NHTSA ID Number: 10114272 Manufacturer Communication Number: 10-06-01-008M   Summary This technical bulletin provides a procedure to correct the customers concern to replace the left side valve cover and active fuel management oil deflector to reduce oil consumption.     Condition Engine oil consumption of vehicles with higher mileage (approximately 48,000 to 64,000 km (30,000 to 40,000 mi) and … Read more

Tick Noise And/or Misfires On AFM Cylinders 1 4 6 And/or 7 – 2005-2015 Buick Cadillac Chevrolet GMC Pontiac Saab

2015 Chevrolet Camaro

NHTSA ID Number: 10113935 Manufacturer Communication Number: PIP4568S   Summary This Preliminary Information communication provides information to the technician that some vehicles may have a Service Engine Soon lamp, engine misfire on cylinder 1, 4, 6, or 7 and/or tick noise. Technician will follow service information diagnosis first. If service information diagnosis does not isolate the cause … Read more

Guidelines When Changing Tire And Wheel Size – 2003-2020 General Motors Light Duty Trucks / Utilities / Vans

2020 Chevrolet Suburban

NHTSA ID Number: 10184105 Manufacturer Communication Number: PIT3271K   Summary This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use … Read more

Repair Information for Reconnection of Rear Window Defroster Contact or Tab – 2000-2015 GM Passenger Cars and Trucks

2015 Chevrolet Corvette

NHTSA ID Number: 10126237 Manufacturer Communication Number: 030848006J   Summary This informational bulletin provide information for the technicians to repair the rear window defroster contact or tabs.     Soldering Defroster Contact Tabs In many cases the terminal tab will still be in the connector when you examine the vehicle. For 2007-2014 Chevrolet Tahoe, Suburban, GMC Yukon … Read more