TechLink – Page 67

Wiring Harness Routing and Engine Performance Conditions

There may be several engine performance conditions found on some 2019-2020 Silverado 1500 and Sierra 1500 models equipped with the 4.3L V6 engine (RPO LV3), 5.3L V8 engine (RPOs L82, […]

April 30, 2020 —

Front Suspension Rattle at Slow Speeds

A rattle or creak noise at slow speeds over bumps or broken pavement on some 2013-2016 Acadia; 2013-2017 Enclave, Traverse; and 2017 Acadia Limited models may be originating from the […]

April 30, 2020 —

New FSE Technician Recognition Awards

The Field Service Engineer (FSE) Technician Recognition Awards (U.S.) is a new recognition program that celebrates the skill and dedication of dealership technicians who have recently worked with FSE’s on […]

April 30, 2020 —

Service Information Search – Getting the Best Results

Enter a few keywords in the Search box of the Service Information (SI), click the Search button, and all related results are shown. (Fig. 1) In some cases, depending on […]

April 15, 2020 —

New GM ToolNet Special Tools App Now Available

The new GM ToolNet special service tools inventory management application is now available to GM dealerships in the U.S. The Canadian application launches on April 20. To access the site, […]

April 15, 2020 —

Crankshaft Balancer Removal

On some 2019 CT6; 2019-2020 XT4, Silverado, Sierra; 2020 CT4, CT5, XT5, XT6, Blazer, and Acadia models equipped with the 2.0L engine (RPO LSY) or 2.7L engine (RPO L3B), the […]

April 15, 2020 —

Poor Heater Performance Due to Coolant Hose Restriction

Poor heater performance may be experienced on some 2020 Silverado and Sierra models equipped with the 3.0L diesel engine (RPO LM2). The poor performance may be caused by the heater […]

April 15, 2020 —

Duramax Diesel Warm Engine Idle Knock Sound

Some 2020-2021 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax diesel engine (RPO L5P) may have a thumping or knocking sound coming from the rear of the […]

April 15, 2020 —

Unable to Deactivate Brake Boost System

A GDS2 error message stating “Request Rejected by the Control Module” may occur when trying to deactivate the brake boost system while performing the hydraulic brake system bleeding procedure on […]

April 15, 2020 —

Low Oil or Add Oil DIC Messages

A Low Oil or Add Oil message may be displayed on the Driver Information Center (DIC) on some 2019 Silverado 1500, Sierra 1500; 2020-2021 Silverado 1500, Silverado 2500/3500, Sierra 1500, […]

April 15, 2020 —

Normal 1.2L Engine Sound

The 2020 Encore GX and 2021 Trailblazer feature the new 1.2L turbocharged engine (RPO LIH). (Fig. 20) The engine may have a noticeable sound under certain circumstances. Fig. 20 […]

April 15, 2020 —

GM Service Know-How Emerging Issues

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 in […]

April 15, 2020 —

PDF Archives

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April 9, 2020 —

All-New C8 – The 2020 Corvette Stingray Makes a Mid-Engine Move

The all-new eighth generation 2020 Chevrolet Corvette Stingray (C8) features a sleek, performance-focused design with a first-ever mid-engine configuration. (Fig. 1) The rear weight bias enables the capabilities of the […]

March 31, 2020 —