TOP TIER Detergent Gasoline and TOP TIER Diesel Fuel Information and Licensed Brands – GM Passenger Cars and Trucks

General Motors

NHTSA ID Number: 10222766 Manufacturer Communication Number: 05-06-04-022T Summary This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.   1100 Affected Products Vehicles MAKE MODEL YEAR BUICK ALLURE 2008-2009 BUICK … Read more

New Vehicle Pre-Delivery Inspection (PDI) – Delivering Quality Vehicles and Generating Higher CSi Scores – GM Passenger Cars and Light Duty Trucks

2020 Chevrolet Silverado

NHTSA ID Number: 10158855 Manufacturer Communication Number: 030089006Q Summary This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.   660 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK ENCLAVE 2008-2019 BUICK ENCORE 2013-2019 BUICK ENVISION 2016-2019 BUICK LACROSSE 2006-2019 BUICK LESABRE … Read more

Warranty Administration – Battery Testing and Warranty Replacement Requirements (North America ONLY) – GM Passenger Cars and Light Duty Trucks

2018 Chevrolet Corvette

NHTSA ID Number: 10205059 Manufacturer Communication Number: 20NA132   Summary This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.     363 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK ENCLAVE 2015-2022 BUICK ENCORE 2015-2022 BUICK ENCORE GX 2020-2022 BUICK ENVISION 2016-2022 BUICK LACROSSE 2015-2019 BUICK REGAL 2015-2020 … Read more

Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion (Clean and Resurface Wheel Bead Seat) – 2022 and Prior GM Passenger Cars and Light Duty Trucks

2022 Chevrolet Camaro

NHTSA ID Number: 10205740 Manufacturer Communication Number: 080310006H   Summary This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.     1 Affected Product Vehicle … 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