The GM Electronic Parts Catalog (EPC) makes a great deal of GM parts information — including part numbers, part descriptions, model applications and more — easily available to users in […]

2017-2018 Bolt EV models feature Michelin Selfseal® tires that will immediately seal the tread when punctured up to 1/4-inch (6 mm) in diameter. The Selfseal tires also may be repaired […]

The 3.6L engine (RPO LGZ) available on 2017-2018 Colorado and Canyon models uses an engine oil filter adapter (housing assembly) with an adapter center insert (Fig. 10) that supports the […]

Some personalization selections may be missing from the Comfort and Convenience Settings menu on some 2017-2018 Envision, CT6, Escalade, Impala, Silverado, Tahoe, Suburban; 2017 ATS, CTS; and 2018 Sierra and […]

The Pre-Delivery Inspection (PDI) forms, Service Forms and VIN Cards are now available through GM GlobalConnect. (Fig. 17) Previously, these documents were hosted on the service.gm.com website, which is no […]

10218.03V – Emerging Issues March 8, 2018 The latest service topics from GM Brand Quality and Engineering are covered, including a look at the new 2019 Corvette ZR1 (Fig. 21) […]

Checking for the correct tire air pressure on a vehicle requires a tire air pressure gauge, right? Not on GM models equipped with the new Tire Fill Alert system. It’s […]

The latest software update for the CH-47976 Active Fuel Injector Tester (AFIT) is now available for download. The software release — free of charge to GM dealerships — updates several […]

When testing an engine using the Active Fuel Injector Tester (AFIT) kit on most GM vehicles, the tools must be connected to power correctly in order for proper communication. The […]

Some 2016-2017 Camaro convertible models may have a noticeable wind noise condition at the rear quarter window area. The wind noise may be due to a misalignment between the front […]

2016-2018 Camaro convertible models (Fig. 10) may have a “Top Not Secure” message display on the Driver Information Center and the rear compartment lid may not open. Fig. 10 During […]

When a warranty repair is made, are you sure you’re using the correct labor code? The new GM Warranty Job Aid tool, found under the Labor Time Guide category in […]

GM Techline has an available texting service that is a convenient way to follow-up with technicians on open cases with the Techline Customer Support Center (TCSC). Using the service means […]

A Low Coolant message may be displayed on the Driver Information Center of some 2017-2018 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P). An inspection […]

When draining and filling the cooling system on 2017-2018 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P), the correct special tools must be used. In […]

A moan sound may be heard from the rear of some 2016-2017 Camaro models while making a turn when the vehicle is cold or has sat for several hours. The […]

10218.02V – Emerging Issues February 8, 2018 The latest service topics from GM Brand Quality and Engineering are covered, including a demonstration using an on-car brake lathe (Fig. 13) and […]

You’ve probably noticing that the GM TechLink website has a new look. It’s part of our efforts to continually update and revise TechLink in order to add to its functionality […]

A change was made recently to the websites (U.S.) for GM dealer services, tools and equipment that will make it easier and more convenient for GM dealerships to shop for […]