Brake Pedal Moves Or Self Applies At Full Turns – 1998-2023 Cadillac Chevrolet GMC Hummer

General Motors

NHTSA ID Number: 10226382 Manufacturer Communication Number: PIT3665L Summary This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.   Condition / Concern On vehicles with a Hydro-Boost System, customers may notice during full … Read more