2014-2019 Corvette models equipped with the 6.2L V8 engine (RPO LT1, LT4, LT5) with a dry sump oil system (RPO Z52) (Fig. 31) require an engine oil change immediately after […]

The engine wiring harness may be rubbing on the edge of the battery tray on some 2016-2018 Malibu models equipped with the 1.5L engine (RPO LFV). As a result, the […]

10218.08V – Emerging Issues (U.S.) August 9, 2018 The latest service topics from GM Brand Quality and Engineering are covered, including Camaro convertible top replacement (Fig. 34) and off-road lamp […]

New performance calibrations are available from Chevrolet Performance for 2014-2018 Corvettes and 2017-2019 Camaros that deliver greater handling on the track as well as during daily driving. The calibrations have […]

The latest update to the GDS2 core software (Version 20.1) in TIS2Web includes changes to the VIN functionality on the Vehicle Selection screen and access to multiple diagnostic packages. On […]

A new software update (CH-47976-250) for the CH-47976 Active Fuel Injector Tester (AFIT) is now available for download that adds 2019 model year applications. The software release includes the following: […]

Water may be found in the rear compartment well on some 2018-2019 Regal Sportback models. There also may be several electrical conditions, including an incorrect front passenger airbag on/off indicator, […]

The push to talk button on the steering wheel (Fig. 9) is used to answer an incoming call or activate voice recognition with the infotainment system on some GM models. […]

As a result of technician feedback, GM is implementing a new Diagnostic Time Strategy. This new process is designed to provide adequate time for technicians to diagnose the most difficult […]

The latest update to the GM Global Electronic Parts Catalog (EPC) includes several new features that make it easier to find the right parts, including new compliance alerts, better alignment […]

The most powerful and fastest production Corvette ever made. (Fig. 1) That’s the 2019 ZR1, with its hand-assembled 6.2L supercharged V8 engine (RPO LT5) producing 755 horsepower and 715 lb.-ft. […]

Due to the size of the aerodynamic components, or ground effects — front fascia splitter, rocker moldings, rear spoiler, etc. — on the 2019 Corvette ZR1 (Fig. 10) as well […]

Starting with the 2019 model year, all Buick, Chevrolet and GMC models — excluding 2019 Silverado legacy models; Sierra legacy models; and Express and Savana models — with a keyed […]