Many vehicles are equipped with wheel nuts that feature a stainless steel cap/cladding, such as those used on 2012 and prior GM vehicles. When removing or installing wheel nuts with stainless steel caps, using a shallow socket may crack the cap causing corrosion underneath the cap and nut.
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.
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.
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:
GM does not recommend resurfacing of the park brake portion of the rear brake rotor on vehicles that feature rear disc brakes.
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.
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.
Brake Parts Inc (BPI) was named a 2016 GM Supplier of the Year by General Motors during its 25th annual Supplier of the Year awards ceremony held recently in Orlando, Fla.
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.
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.