The GM Technical Assistance Center, or TAC, (U.S.) has established an Action Center for the all-new 2020 Corvette Stingray. (Fig. 7) Fig. 7 TAC Action Centers are designed to gather […]

Several intermittent conditions related to a low battery state of charge may be found on some 2018-2019 ATS, CTS, XTS, Corvette; 2018-2020 Envision, LaCrosse, CT6, Escalade, XT5, Equinox, Impala, Malibu, […]

Some 2020 Corvettes may have a small paint chip in the front fascia below the headlamp on one or both sides of the vehicle. (Fig. 10) The paint chip may […]

Have a question about installation or need information about the warranty on Associated Accessories offered through GM Accessories? (Fig. 14) Dealerships should contact the supplier or manufacturer of the specific […]

The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM certified repairs. The latest service topics from GM Brand Quality and Engineering covered in […]

The all-new 2020 Corvette Stingray is the fastest and most powerful entry-level Corvette ever produced. It’s mid-engine proportions and rear weight bias along with a race car-like view and driver’s […]

The Service Information for 2008-2020 GM models equipped with the 6T40, 6T70, 6L50, 6L80, or 6L90 6-speed transmission; 9T45, 9T50, 9T60, or 9T65 9-speed transmission; or VT40 continuously variable transmission […]

The Safety Data Sheets (U.S.) for ACDelco fluids and chemicals as well as other GM products (Fig. 5) are now available through a new link on ACDelco.com. The GM part […]

A new Chevrolet Performance/GMC Accessories Front Leveling Kit is now available for 2015-2021 Colorado and Canyon models, excluding ZR2 models 2WD models, or models with 20-inch wheels. (Fig. 9) The […]

The rear camera guidelines may be incorrect or misaligned after the tailgate handle or the entire tailgate has been replaced (Fig. 13) on some 2020 Silverado 2500/3500 and Sierra 2500/3500 […]

Some 2017-2020 Camaro SS 1LE (RPO A1Y) and Camaro ZL1 models and 2018-2020 Camaro ZL1 1LE (RPO A1Z) models may have an extended engine crank or reduce power condition along […]

When diagnosing a shudder vibration condition on some 2016-2018 Silverado, Sierra; 2016-2020 Tahoe, Suburban, Yukon; 2019-2020 Silverado 1500 and Sierra 1500 models equipped with 5.3L V8 engine (RPO L82, L83, […]

Some 2019-2020 Escalade, Silverado 1500, Silverado 2500/3500, Tahoe, Suburban, Sierra 1500, Sierra 2500/3500, and Yukon models equipped with the 5.3L V8 engine (RPO L82, L83, L84), 6.2L V8 engine (RPO […]