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TOPIC : Chevy

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Vexing Vette

This bulletin applies to 2006-2012 Chevy Corvette Z06, 2009-2012 ZR1 and 2010-2012 Grand Sport, equipped with a 6.0L or 7.0L LS9, LS3 or LS7 engine equipped with a dry sump oiling system.

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Not a Cool Chevy

This bulletin applies to 2012-2013 Chevy Equinox and Impala vehicles as well as GMC Terrain models, equipped with a V6 engine only. Some customers may comment on an erratic or insufficient cooling when the A/C compressor is turned on. The compressor may not have been torqued properly at the time of assembly, causing a load on the compressor shaft.

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Confused Volt

Some owners of a 2011-2014 Chevy Volt may comment that their vehicle did not fully complete a charge or that charging was interrupted. They may also note that the MIL was on. Technicians may find DTCs P1E00 set in the ECM and P0D3E or P0D3F set in the HPCM2.

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Chevy Air Bag Mystery

This bulletin applies to 2007-2010 Chevy Avalanche 2WD models. Some customers may experience an SIR lamp. The technician may find a history or current DTC B1019, with a symptom code 3A.

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Crazy Shift Kills the Cruze

This bulletin applies to 2011-2014 Chevy Cruze vehicles. Some customers may comment on a loud engine rattle or knock type noise, or the accessory drive belt and the lower crankshaft pulley has come off.

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Dumb Design

Some 2011 Chevy HHR vehicles may show a Service Engine Soon light on, with DTCs P0016 and/or P0017 stored. This may be the result of a camshaft reluctor that has moved on the camshaft.

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Chevy Volt Rattle

Owners of a 2011-2012 Chevy Volt (built prior to Sept. 20, 2011) may complain about a rattle-type noise heard from the front of the vehicle at slow speeds over bumps.

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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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Lame Liftgate

An owner of a 2010-2013 Chevy Equinox or GMC Terrain may complain about a power liftgate that does not stay fully open or drifts down a few inches before coming to a rest.

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Cobalt Hybrid Hijinks

The owner of a 2008 Chevy Cobalt hybrid may note a chuggle or stall when coming to a stop. The engine will restart. The engine tachometer will drop to zero and not AutoStop.

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