Archive for April, 2017

All turbochargers that are returned to the Warranty Parts Center (WPC) are inspected by GM Engineering for root cause failure. Many of the turbochargers from 2011-2016 Cruze, 2012-2018 Sonic, 2013-2018 […]

If the Driver Information Center (DIC) displays a “Steering Assist Reduced” message on a vehicle that comes into the dealership for service, it makes sense to check the steering components, […]

The speedometer reading may be inaccurate on some 2015-2017 Express, Savana, Silverado, Sierra, Tahoe, Suburban, Yukon, and Escalade models. (Fig. 7) The speedometer may indicate a lower mph than the […]

When cleaning engine gasket sealing surfaces or cleaning parts from an engine that are to be reused, it’s critical to not use surface conditioning discs, such as abrasive pads or […]

Loose connections of the charge air cooler ductwork on some 2017 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P) may result in an illuminated Check […]

The new 2017 Colorado ZR2 (Fig. 1) is designed to excel off-road, whether that’s tackling out-of-the-way two-tracks, technical rock crawling, or desert running. At its introduction, the ZR2 boasts more […]

Meticulous may be the best way to describe Dave Nowak. Everything he had a hand in was detailed, thoughtfully planned out, and developed with a keen understanding of how the […]

The Chevrolet Equinox is an all-new model for 2018 with a variety of new features that may be unfamiliar to some customers. As a result, customers may bring their vehicle […]

When diagnosing a failed Passenger Presence System (PPS) pressure sensor on current models of the Buick Cascada, Envision, LaCrosse; Chevrolet Bolt, Camaro, Colorado, Corvette, Cruze, Malibu, Silverado, Spark, Suburban, Tahoe; […]

New for 2017 model year vehicles, two keys that are already programmed or two previously learned Remote Keyless Entry (RKE) transmitters (key fobs) need to be present in order to […]

The correct match of oil filter to engine application is more important now than ever with the tight tolerances, two stage oil pumps and high flow lubrication requirements of today’s […]

10217.05V – Emerging Issues May 11, 2017   The latest service topics from Brand Quality and Engineering are reviewed, including servicing full-size truck camper mirrors (Fig. 21) and headliner repairs […]