Monthly Archives: October 2017

Coaxial Cable Repair Kit Now Available

GM has implemented a new service strategy using universal coaxial cable repair kits to repair cables used for high frequency signals, such as cellular (OnStar), satellite radio (XM), GPS (navigation, and the AM/FM signal, on 2006-2018 GM models. There are … Continue reading

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EV Battery Service and Depowering Tool Software Update

A software update for the EL-50332 EV Battery Service and Depowering Tool (Fig. 10) is now available through the Service Workbench selection of “Essential Tools – Software Updates” in GM GlobalConnect. The update (EL-50332-370H) includes programming enhancements to increase the … Continue reading

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2018 Buick Enclave Service Tips

These service procedures on the new 2018 Enclave differ from the previous model year vehicle. Refer to the appropriate Service Information for more details.   Outside Rearview Mirror Fasteners: The fasteners are bolts through the door sheet metal; there are … Continue reading

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Remanufactured V6 Engine Misfire

An engine misfire may be found on some GM remanufactured 2.8L, 3.0L and 3.6L High Feature V6 engines immediately after installing the engine. The misfire is usually limited to one bank or one cylinder, often cylinder 5 or 6.   … Continue reading

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Pop Sound from Front Suspension Area while Making Turns

Some 2015-2018 Escalade, Silverado, Suburban, Tahoe, Sierra and Yukon models may have a clicking, popping, or cracking sound coming from the front suspension or front frame area while the vehicle is making turns. The sound also may be felt in … Continue reading

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Service Know-How

10217.11V – Emerging Issues November 9, 2017   The latest service topics from Brand Quality and Engineering are reviewed, including a review of Warranty Parts Center shipping safety guidelines and an introduction to the new Dealer Case Management system. (Fig. … Continue reading

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All-New 2018 Buick Enclave

The 2018 Enclave, Buick’s all-new seven passenger midsize luxury SUV, features a longer wheelbase than the previous generation with a body structure built for safety, strength and mass efficiency. The standard 3.6L V6 engine with Stop/Start technology is paired with … Continue reading

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Intake Rocker Arm Oil Control Valve Components

Some 2014-2015 Impala (VIN 1) and Malibu models equipped with the 2.5L engine (RPO LKW) may have several driveability conditions, such as a surge, rough idle, or misfire. The engine may misfire on cylinders 1 and 2 or cylinders 3 … Continue reading

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Forward Collision System Reduced Message

A Forward Collision System Reduced message (Fig. 11) may appear on the Driver Information Center (DIC) when the vehicle is started on 2016-2018 CT6, Escalade, Malibu, Volt; 2017-2018 XT5, Bolt EV, Silverado, Suburban, Tahoe, Acadia, Sierra, Yukon; 2018 Enclave, Equinox, … Continue reading

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UPDATE: Loose Charge Air Cooler Ductwork

Loose connections of the charge air cooler ductwork on some 2017-2018 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P) may result in an illuminated Check Engine light. DTCs P0101, P0299, P0712, P11CC, P11DC, P2002, P2463, … Continue reading

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Battery Vent Plug Installation

Absorbed Glass Mat (AGM) and flooded lead acid batteries can produce a number of potentially dangerous gases, which requires that the battery be properly vented on vehicle applications that have the battery installed inside the passenger compartment. The typical maintenance-free … Continue reading

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