Archive for September, 2018

Excessive Steering Play, Lash, and/or Steering Gear Leak Conditions

Excessive Steering Play, Lash, and/or Steering Gear Leak Conditions

There may be excessive play in the steering or the steering may feel loose on some 2016 Silverado 2500/3500 and Sierra 2500/3500 trucks. There also may be a small power […]

September 30, 2018
Generation 2 Volt Manual Service Disconnect Base Inspection

Generation 2 Volt Manual Service Disconnect Base Inspection

When servicing a 2016-2019 Volt (2nd Generation) high voltage battery, it may be possible to neglect to remove the four fasteners on top for the Manual Service Disconnect (MSD) base […]

September 30, 2018
Loss of Phone Pairing, Audio Settings Change in Demo Mode

Loss of Phone Pairing, Audio Settings Change in Demo Mode

When some 2017-2019 CTS; 2018-2019 ATS, XTS, Terrain; 2019 CT6, XT4, Camaro, Colorado, Equinox, Silverado, Volt, Canyon and Sierra models equipped with infotainment system RPOs IOS, IOT, or IOU (Fig. […]

September 30, 2018
Rear Fascia Gap Adjustment

Rear Fascia Gap Adjustment

The rear fascia gap near either tail lamp on some 2016-2018 Camaro models may be more noticeable in hot temperatures. (Fig. 14) The gap is due to a possible misalignment […]

September 30, 2018
Duramax Diesel Injector Timing DTCs Set

Duramax Diesel Injector Timing DTCs Set

Several injector timing-related DTCs may be set along with an illuminated Check Engine light on some 2017-2018 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P). […]

September 30, 2018
Sliding Cam Valve Lift System Provides Engine Power and Economy

Sliding Cam Valve Lift System Provides Engine Power and Economy

The Sliding Cam Valve Lift System (SCS) on the new 2.0L 4-cylinder, turbocharged engine (RPO LSY) in the 2019 XT4 delivers a combination of performance and efficiency with three distinct […]

September 19, 2018
Global Wiring Harness Repair Strategy and Parts Information Update

Global Wiring Harness Repair Strategy and Parts Information Update

GM’s global repair strategy for large wiring harnesses (body, engine, instrument panel, forward lamp, headliner, and truck chassis) is to repair/replace the components (cables, terminals, connectors, etc.) instead of replacing […]

September 19, 2018
Engine Belt or Water Pump Noise

Engine Belt or Water Pump Noise

Some 2016-2019 ATS, CTS, Camaro and 2017-2019 Colorado, Canyon, Acadia, LaCrosse, and XT5 models equipped with the 3.6L V6 engine (RPOs LGX, LGZ) and 2016-2019 CT6 models equipped with the […]

September 19, 2018
Intermittent ABS Light on Express and Savana Vans

Intermittent ABS Light on Express and Savana Vans

The Antilock Brake System (ABS) light may illuminate intermittently and a Service StabiliTrak message may be displayed on some 2018 Express and Savana vans equipped with dual rear wheels (RPO […]

September 19, 2018
Service Know-How

Service Know-How

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 this […]

September 19, 2018
All-New Cadillac XT4 Enters Compact Luxury SUV Market

All-New Cadillac XT4 Enters Compact Luxury SUV Market

The all-new 2019 XT4 (Fig. 1) is Cadillac’s first entry in the compact luxury SUV market. The 5-passenger SUV is available as a front-wheel drive (FWD) or all-wheel drive (AWD) […]

September 13, 2018
2019 XT4 Features New Integrated Brake Control

2019 XT4 Features New Integrated Brake Control

The 2019 XT4 is the first Cadillac to use electro-hydraulic braking assist, which enhances fuel economy and takes up less space under the hood compared to a traditional vacuum-assisted power […]

September 13, 2018
Inoperative Electric Parking Brake

Inoperative Electric Parking Brake

The electric parking brake (EPB) may be inoperative on some 2018 Acadia, Enclave, Traverse and XT5 models. The Service Park Brake warning lamp also may be illuminated. To apply the […]

September 13, 2018
Hard-to-Close Rear Door or Rattle Sound

Hard-to-Close Rear Door or Rattle Sound

The rear door may be hard to close on some 2015-2017 Colorado and Canyon extended cab models. In addition, there may be a rattle sound from the lower rear door […]

September 13, 2018