All-New 2019 Silverado 1500 and Sierra 1500 Ready to Work

All-New 2019 Silverado 1500 and Sierra 1500 Ready to Work

For 2019, the Silverado 1500 (Fig. 1) and Sierra 1500 (Fig. 2) are all-new pickups with new powertrains, mixed material construction, and a wealth of enhanced safety and convenience features. […]

August 24, 2018
Sierra MultiPro Tailgate

Sierra MultiPro Tailgate

The innovative MultiPro tailgate available on the 2019 Sierra (Fig. 16) offers flexibility and functionality designed to improve loading, unloading and access to the cargo box. It features a primary […]

August 24, 2018
LT5 Supercharger Electronic Bypass Valve

LT5 Supercharger Electronic Bypass Valve

The supercharger on the 2019 Corvette ZR1 creates a maximum boost pressure of 13.96 psi (96.3 kPa) to help the 6.2L small block V8 engine (RPO LT5) deliver 755 horsepower […]

August 24, 2018
Corvette Break-In Oil Change Information

Corvette Break-In Oil Change Information

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 […]

August 24, 2018
Engine Harness Rubbing on Battery Tray

Engine Harness Rubbing on Battery Tray

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 […]

August 24, 2018
Service Know-How

Service Know-How

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 […]

August 24, 2018

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August 9, 2018
Corvette and Camaro Performance Calibrations Programming

Corvette and Camaro Performance Calibrations Programming

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 […]

July 8, 2018
GDS2 Core Software Update Adds VIN Copy Function

GDS2 Core Software Update Adds VIN Copy Function

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 […]

July 8, 2018
New AFIT Software Now Available

New AFIT Software Now Available

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: […]

July 8, 2018
Rear Compartment Water Leak May Lead to Electrical Issues

Rear Compartment Water Leak May Lead to Electrical Issues

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, […]

July 8, 2018
Push to Talk Button Operation

Push to Talk Button Operation

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. […]

July 8, 2018
GM Announces Diagnostic Time Allowance Changes

GM Announces Diagnostic Time Allowance Changes

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 […]

July 8, 2018
Latest Global EPC Update Provides Search Enhancements

Latest Global EPC Update Provides Search Enhancements

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 […]

July 8, 2018
The New King of the Hill: 2019 Corvette ZR1

The New King of the Hill: 2019 Corvette ZR1

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. […]

July 1, 2018
2019 Corvette ZR1 Ground Effects Installation

2019 Corvette ZR1 Ground Effects Installation

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 […]

July 1, 2018
New Keyed Ignition System on 2019 Models

New Keyed Ignition System on 2019 Models

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 […]

July 1, 2018
Service Know-How

Service Know-How

10218.07V – Emerging Issues (U.S.) July 12, 2018   The latest service topics from GM Brand Quality and Engineering are covered, including how labor times are calculated (Fig. 23) and […]

July 1, 2018
2018 Industry-wide Service Technician Satisfaction Survey Now Underway

2018 Industry-wide Service Technician Satisfaction Survey Now Underway

The 2018 Service Technician Satisfaction Survey is taking place now and technicians at all GM dealerships in the U.S. and Canada are encouraged to participate. GM and other automotive manufacturers […]

June 30, 2018
Hoist Lift Pad Adapters for New 2019 Silverado and Sierra

Hoist Lift Pad Adapters for New 2019 Silverado and Sierra

The all-new 2019 Silverado 1500 and Sierra 1500 trucks will be arriving at dealerships soon. These new trucks feature a fully boxed steel frame that is 88 lbs. (40 kg) […]

June 30, 2018