NHTSA ID Number: 10187375 Manufacturer Communication Number: 17NA166 Summary This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern. Condition Rough idle and/or vibration at idle in Drive. This condition may be most noticeable following extended driving, after hard acceleration, while idling at … Read more
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
NHTSA ID Number: 10183781 Manufacturer Communication Number: 130310001G Summary This service bulletin provides information on tire cold weather cracking and the proper techniques on taking care of the tires and proper use. Cold Weather Operation These vehicles are all equipped with 3 season performance tires commonly referred to as “Summer Tires.” The rubber used … Read more
NHTSA ID Number: 10163268 Manufacturer Communication Number: 100845001G Summary This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. Electrical Ground Repair Overview Proper electrical system function relies on secure, stable and corrosion-free electrical ground connections. Loose, stripped, or corroded connections increase the possibility of improper system … Read more