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 […]

DTCs P0016 (Crankshaft Position – Intake Camshaft Position Not Plausible Bank 1) and P0018 (Crankshaft Position – Intake Camshaft Position Not Plausible Bank 2) may be set and the Check […]

If an incorrect fuel injector is installed on 2014-2020 GM models equipped with a V6 or V8 gasoline engine (RPO LV1, LV3, L82, L83, L84, L8B, LT1, L86, L87, LT2, […]

The diesel engines (RPOs LWN, LM2, L5P, L5D) available on 2020 Colorado, Express, Silverado 1500, Silverado 2500HD/3500HD, Silverado 4500HD/5500HD/6500HD, Canyon, Savana, Sierra 1500, and Sierra 2500HD/3500HD models use Diesel Exhaust […]

Some 2020 Corvette models may have a rushing air or hissing sound coming from the engine compartment during normal engine operation. The hiss or vacuum leak sound is at the […]

Some 2018 Equinox and Terrain models may have several Driver Information Center (DIC) messages display on the instrument cluster after an Auto Stop (when the automatic engine stop/start system turns […]

Some 2020 CT5 models may have a low-frequency noise and vibration under wide open throttle that sounds like the muffler is grounding out against the body. The noise and vibration […]

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 […]

  General Motors is proud to support and recognize May 6th, 2020, as National Skilled Trades Day. National Skilled Trades Day aims to raise awareness about the benefit of skilled […]

The all-new 2020 Corvette Stingray features three available seats: GT1, GT2, and Competition Sport. (Fig. 1) On some models with the Competition Sport seats, the sides of the aggressive seat […]

When replacing a valve body assembly (Fig. 7) on an 8-speed or 10-speed automatic transmission or solenoid body assembly on a 9-speed automatic transmission, technicians may notice the service part […]

Some 2020 Encore GX, Regal, XT4, XT5, XT6, Blazer, Equinox, Malibu, Acadia, and Terrain models equipped with the 9T45/50/60/65 9-speed automatic transmission (RPOs M3F, M3D, M3T, M3H, MJD, M3G, M3W, […]