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TOPIC : GM

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Fuel According to GM

Apparently, General Motors does not endorse, support or acknowledge the need for fuel injector cleaning as a preventive maintenance procedure. According to GM, fuel injector cleaning is approved only when performed as directed by a published GM driveability or DTC diagnostic service procedure.

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Air Leak Doesn’t Mean Trouble

Input housing and shaft assemblies from transmissions have been incorrectly considered defective when air bubbles are observed coming from between the input shaft and the housing during an air check.

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A Sensible Smoke

This bulletin applies to 2000-2012 GM passenger cars and light-duty trucks equipped with gasoline engines, where the SES light is on and any of the following fuel trim and/or O2 sensor-related codes are stored:

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Parking Brake Rotor

GM does not recommend resurfacing of the park brake portion of the rear brake rotor on vehicles that feature rear disc brakes.

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Coolant in Spark Plug Tube

This bulletin applies to GM vehicles equipped with HFV6 engines (3.0L and 3.6L LF1, LFW, LLT and LFX). Affected vehicles include 2010-2014 Buick Enclave and LaCrosse, Cadillac ATS, CTS, SRX and XTS, Chevy Camaro, Caprice, Equinox, Impala and Traverse and GMC Acadia and Terrain.

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GM Honors Stant with Supplier Quality Excellence Award

General Motors recently honored Stant Corp. and its Pine Bluff, Ark., manufacturing facility with its Supplier Quality Excellence Award for 2016. The plant manufactures Stant fuel closures, valves, thermostats and filler pipes.

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GM Endorses Hunter's Road Force Elite Wheel Balancer

General Motors Co. (GM) is calling a wheel balancer manufactured by Hunter Engineering Co. an essential tool for use in its service facilities in the United States.

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Chevy Rock & Roll

This bulletin applies to 2014 and prior GM vehicles equipped with an automatic transmission and auto-start. Some vehicles may rock or move slightly forward or rearward while in Park at start-up after a cold soak.

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Turbo Oil Starvation

This bulletin applies to select GM vehicles equipped with LBZ, LB7, LLY or LMM 6.6L Duramax diesel engines. This includes 2001-2009 Chevy Silverado, 2003-2009 Chevy Kodiak C4500-C5500 series, 2006-2009 Chevy Express, 2001-2009 GMC Sierra, 2003-2009 GMC TopKick C4500-C5500 series and 2006-2009 GMC Savana.

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Baby it’s Cold Outside

This bulletin applies to all 2014 and prior GM passenger cars and light trucks. Some customers may comment that their vehicle is experiencing noise or a fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperatures.

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