Monthly Archives: June 2016

Luxurious New CT6 is Cadillac’s Range-Topping Sedan

The all-new CT6 leads Cadillac’s nomenclature change at the top of the Cadillac line-up. (Fig. 1) Riding on the rear-wheel-drive Omega architecture, the new sedan is built using GM’s most advanced manufacturing methods and has many features that are first-time … Continue reading

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CT6 Active Chassis System

The advanced performance chassis system of the Cadillac CT6 is designed to deliver an engaging driving experience — delivering segment-best ride, handling and isolation qualities — with active on-demand all-wheel drive, active rear steering and Magnetic Ride Control on the … Continue reading

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Windows 10 Pro Now Supported for Techline Applications

GM Customer Care and Aftersales recently announced it will support Windows 10 Professional (64 bit) for use with the Techline applications, including TIS2Web, GDS 2, MDI Manager, Service Information, and others. This support of Windows 10 Pro for Techline applications … Continue reading

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Steering Wheel Airbag Removal

The steering wheel airbag on 2016-2017 Malibu and Volt models is secured using spring fasteners. These fasteners can be accessed from access holes behind the steering wheel on both sides of the wheel.   The removal procedure for the airbag … Continue reading

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Fuel Odor or Leak from Top of Fuel Tank

A fuel odor, fuel leak or fuel weeping may be noticed at the top of the fuel tank on some 2015-2016 Colorado and Canyon trucks. This condition may be caused by chemicals being carried in the truck bed.   Sulfuric … Continue reading

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GM TechTube Videos Offer Quick, Concise Technical Information

The GM TechTube videos (Fig. 23) available on the GM Center of Learning provide technicians with quick and concise reviews of specific repair procedures, offering repair insights and just-in-time knowledge. Topics range from high pressure fuel pump replacement and transmission … Continue reading

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Engineering Information Bulletins and Part Restrictions

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All-New 2017 GMC Acadia

The all-new 2017 Acadia takes on the heart of the midsize crossover segment. It features seating for up to seven passengers with several different models, including the premium Acadia Denali. The new All Terrain model (Fig. 1) features enhanced off-road … Continue reading

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Corvette Power Steering Gear Cooling Duct Installation

The 2014-2016 Corvette is designed to deliver outstanding performance on the track with minimal changes needed to get the car ready to meet the demands of track driving.   Driving the vehicle on the track during hot days may result … Continue reading

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Instrument Cluster DIC Display Dims

The Driver Information Center (DIC) display in the instrument cluster of some 2014 Silverado 1500, Sierra 1500; 2015-2016 Silverado, Tahoe, Suburban, and Sierra models, equipped with the base instrument cluster (RPO UDC), may dim or fade when the interior is … Continue reading

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Audio Speaker Noise or Poor Sound

The audio speaker quality may be poor with a buzzing sound or rattle occurring while listening to any music source on some 2015-2016 Colorado and Canyon models. These conditions may be caused by the trim, moldings or water deflectors located … Continue reading

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Engine Stop/Start Operation after Repairs

The automatic engine Stop/Start system (RPO KL9) (Fig. 15) may be inoperable after repairs on some 2016 Encore, Envision, ATS, CTS, CT6, Cruze (VIN B), Malibu (VIN Z) and 2017 XT5 and Acadia models.   Fig. 15   The Stop/Start … Continue reading

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Be Aware of Engineering Information Bulletins and Part Restrictions

Technicians should always check the appropriate Service Information, including Preliminary Information and Bulletins, before every repair to ensure they are following the latest procedures, using the correct part numbers and are aware of any new information that may have been … Continue reading

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