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TOPIC : General Motors


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.


Resurfacing No-No

This bulletin applies to 2013 and prior GM passenger cars and trucks equipped with the drum and hat parking brake design.


Cold Zaps GM Power Steering

This bulletin applies to 2010-2013 Buick Regal models, in addition to a number of 2009-2013 GM vehicles. The vehicle may experience a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperatures.


ACDelco Introduces GM OE Engine Gasket Kits

ACDelco has introduced nine General Motors Original Equipment (OE) engine component gasket kits to the aftermarket.


Clunk Not a Worry

Some 2012 and prior GM passenger cars and light trucks equipped with a 4L60-E, 4L65-E or 4-L70-E automatic transmission may exhibit a clunk noise that can be heard on a 2-3 upshift or a 3-2 downshift.


Mark Drennan Named ACDelco General Director

General Motors Corp. reports Mark Drennan has been named ACDelco brand general director.


Intermittent No-Crank Condition

This bulletin applies to a handful of GM models including 2013-1014 Buick Encore, 2009-2011 Chevy Aveo, 2011-2014 Chevy Cruze, 2012-2014 Chevy Sonic and 2013-2014 Chevy Trax, all equipped with a four-cylinder engine.


Water and DEF in Duramax

This bulletin applies to 2010-2014 GMC Savana and Sierra models equipped with the 6.6L Duramax diesel engine. The vehicle may experience a hard start, no-start, rough running and low fuel pressure and/or DTCs P0087, P0088, P0191 and P128E.


Crummy Fuel?

Owners of some GM models may comment about a check engine light on during or after a crank-no-start event or a hard start/extended crank event. DTC P0336 may be set.


All crossed up

This bulletin applies to a number of GM vehicles including 2000-2004 Chevy Malibu, 2000-2004 Buick Century, 2000-2004 Buick Rendezvous, 2000-2004 Chevy Impala, Monte Carlo and Venture, 2000-2004 Olds Alero and Silhouette, 2000-2004 Pontiac Aztek, Grand Am, Grand Prix and Montana models. If the engine exhibits a misfire at a steady speed and rpm, with DTC P0300 set, there’s a good chance that the fuel injector connectors are crossed.

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