Diagnosing Engine Sounds
If an engine ticking or knocking sound is noticed on some 2019-2022 Silverado, Sierra; 2021-2022 Tahoe, Suburban, Yukon and Escalade models equipped with the 5.3L V8 engine (RPO L84) (Fig. […]
If an engine ticking or knocking sound is noticed on some 2019-2022 Silverado, Sierra; 2021-2022 Tahoe, Suburban, Yukon and Escalade models equipped with the 5.3L V8 engine (RPO L84) (Fig. […]
A new torque specification has been released for ACDelco spin-on oil filters installed on 2000-2022 GM models equipped with a gasoline engine. The new specification is in response to possible […]
A wrinkle or bubble may be seen in the stripe decal or hood wrap around the outer edges of the hood air scoop on some 2019-2022 Camaro models. (Fig. 17) […]
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 new 2022 GM Service Technical College (STC) Course Catalog (U.S.) (Fig. 1) is now available on the Service Technician Training, Recruiting, Retention, and Recognition App on GlobalConnect and on […]
The air conditioning may blow warm air on some 2021-2022 Tahoe, Suburban, Yukon and Escalade models. The Check Engine MIL may be illuminated and DTCs B1AA3 (Run/Crank Relay Coil Control), […]
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 […]
GM’s global repair strategy for large wiring harnesses (body, engine, instrument panel, forward lamp, headliner/roof harness, and truck chassis) is to repair/replace the components (cables, terminals, connectors, etc.) instead of […]
An illuminated Check Engine MIL and DTC P3075 (Engine Coolant Flow Too Low) may be set in the Engine Control Module (ECM) on some 2019-2022 XT4, Blazer, Silverado 1500, Sierra […]
Some 2019-2020 Encore and Trax models may have several features operating improperly, including an unwanted windshield wiper swipe upon starting the vehicle, the front wipers may not park and the […]
The new Infotainment 3 Premium system (RPO IOK) available on the 2022 Tahoe, Suburban and Yukon features Google built-in compatibility. (Fig. 14) Google built-in offers access to some popular Google […]
The exhaust brake may not seem to work properly on some 2020 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P). No DTCs will be set. […]
Some 2020-2022 Silverado 2500/3500 and Sierra 2500/3500 trucks equipped with the 6.6L Duramax diesel engine (RPO L5P) may have a coolant leak under the vehicle. The Check Engine MIL may […]
The Mark of Excellence program (U.S.) recognizes the achievements, professionalism, and commitment of many members of the GM dealership community. For 2022, service technicians enrolled in the program can earn […]
The optional SiriusXM with 360L service on some 2021 and later GM models equipped with an Infotainment 3.X system (RPO IOS, IOT, IOU, IOV) features over 200 internet channels (IP […]
dexos™1 Gen 3 is the latest generation of GM-certified engine oil. The recently introduced engine oil specification addresses the challenge of meeting the needs of new engine hardware — in […]
Some 2021 Tahoe, Suburban, Yukon and Escalade models equipped with the Reverse Automatic Braking system (RPO UVZ) may have a Service Driver Assist message displayed on the Driver Information Center […]
Some 2019-2022 Encore GX and Trailblazer models equipped with the 1.2L engine (RPO LIH) may have an illuminated Check Engine MIL with DTC P0299 (Engine Underboost) set. These conditions may […]
Some 2016-2020 Express and Savana models equipped with the 6.0L V8 engine (RPO L96, LC8) may have a lack of power or poor performance when driving up grades or after […]
Vehicle speed may be limited to 70 mph (112 km/h) on some 2015-2021 Colorado and Canyon models equipped with the 2.5L engine (RPO LCV)) that are fleet vehicles. Some vehicles […]