Bigger, stronger and more powerful than ever, the completely new 2020 Chevrolet Silverado 2500HD/3500HD (Fig. 1) and GMC Sierra 2500HD/3500HD (Fig. 2) trucks offer increased capability and an expanded range […]
The all-new 2020 Silverado HD (Fig. 9) and Sierra HD trucks offer two powertrain choices: the all-new 6.6L V8 gasoline engine (RPO L8T) paired with the 6-speed 6L90 automatic transmission […]
The all-new Allison 10-speed 10L1000 automatic transmission (RPO MGM, MGU) available on 2020 Silverado HD and Sierra HD models equipped with the 6.6L Duramax diesel engine combines enhanced performance, fuel […]
A spray-in bed liner (RPO CGN, PDL) is available on 2013-2014 Silverado HD 2500/3500, Sierra HD 2500/3500; 2014 Silverado 1500, Sierra 1500; and 2015-2019 Colorado, Silverado, Canyon and Sierra models. […]
The 2019 Silverado 4500HD/5500HD/6500HD is equipped with the 6.6L Duramax diesel engine (RPO L5D). The engine uses heat shrink clamps to secure the engine coolant hoses. (Fig. 24) If a […]
The ringtone on a mobile phone may sound continuously through the vehicle speakers after an incoming call on some 2018-2019 Sonic, Trax, Terrain; and 2019 Blazer, Camaro, Colorado, Equinox, Malibu, […]
An engine misfire condition and DTC P0300 (Engine Misfire Detected) may be found on some 2016-2019 Cruze models with the 1.4L engine (RPO LE2); 2016-2019 Malibu models with the 1.5L […]
The 10L80 and 10L90 10-speed automatic transmissions (RPO MHS, MHW, MF6, MGL, MQB) available on 2017-2019 Camaro, 2018-2019 Escalade, Tahoe, Yukon Denali, 2019 CT6, Silverado 1500, Sierra 1500, and Suburban […]
The all-new 2020 XT6 (Fig. 1) is Cadillac’s newest entry in the three-row luxury SUV market. Available as Premium Luxury and Sport models, the XT6 offers a luxurious cabin, refined […]
When reviewing Engine Mechanical repair procedures in the Service Information, technicians will find instructions divided into Repair Instructions – On Vehicle and Repair Instructions – Off Vehicle. As a result, […]
Some 2014-2018 Silverado 1500, Sierra 1500; 2015-2019 Escalade, Tahoe, Suburban, Yukon; and 2019 Silverado LD and Sierra Limited models may have a brake pulsation or a grinding sound coming from […]
The GM Service Information on the 6.6L diesel engine (RPO LML) and 1.4L and 1.5L gasoline engines (RPO LE2, LFV) was recently updated with several new service procedures and labor […]
Vehicle speed may be limited on some 2016-2018 CT6 PLUG-IN models (RPO HP9) equipped with the 2.0L 4-cylinder engine (RPO LTG) and automatic-hybrid electric transmission (RPO MRD). DTC P0747 (Transmission […]
If DTC P3075 (Engine Coolant Pump Low Current Performance) is set on a 2019 XT4 equipped with the 2.0L 4-cylinder engine (RPO LSY) or a 2019 Silverado 1500 or Sierra […]
The charge air cooler outlet air tube may be disconnected on some 2019 Equinox, Terrain, and Malibu models equipped with the 1.5L 4-cylinder engine (RPO LYX). As a result, the […]
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 […]
Transmission Whine Sound
March Service Newsletter from the Experts at GM TAC
Vehicle Alignment and Super Cruise
Rear Axle Differential Lock Control Actuator Condition
Diesel Exhaust Fluid Supply Pipe Contamination
FSE Technician Recognition Awards – 1st Quarter 2024
Crankshaft Bearing Diagnosis
Convertible Top Water Leak
Power Tonneau Cover Tips
GM Service Know-How Emerging Issues
MDI 2 Advanced Setup Technical Tips Update
Fuel Feed Pipe Buzzing Sound
February Service Newsletter from the Experts at GM TAC
Exhaust Resonator Rattle
Heated Steering Wheel Operation During a Remote StartGM Dealer Equipment (GMDE)
TAC Newsletter March 2024
TAC Newsletter February 2024
Techline Connect Tips March 2023
The EL-52800 Diagnostic Charge Battery Station (DCBS) is the recommended and approved tool for diagnosing battery replacements and submitting battery warranty claims. And effective January 1, 2024, the DCBS (Fig. […]
A new feature will make logging into Techline Connect easier and quicker for users. Previously, Techline Connect had its own unique login, using the Techline Connect desktop icon, and users […]
Take a detailed look at a wide range of innovative features and advanced systems found on GM vehicles to gain a better understanding of proper operation. Each short video reviews how a feature works, highlights operating tips and shows ways to customize settings, if applicable.
Designed by WPZOOM
