#PIC5669B - Diagnostic Aid - Whine Noise Underhood For 15-20 Seconds At Startup - (Feb 26, 2014)

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Subject:
Diagnostic Aid - Whine Noise Underhood For 15-20 Seconds At Startup
Models:
2010 - 2014 Buick LaCrosse
2011 - 2014 Buick Regal

This PI was superseded to update model years and customer information section. Please discard PIC5669A.


The following diagnosis might be helpful i...

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Document Title: #PIC5669B - Diagnostic Aid - Whine Noise Underhood For 15-20 Seconds At Startup - (Feb 26, 2014)

noise

seconds

buick

lacrosse

regal

customer

vehicle

condition

passenger

generator

brake

booster

electric

vacuum

pump

engine

ignition

lacrosse buick

buick regal

buick lacrosse buick

lacrosse buick regal

pump running passenger

running passenger wheel

passenger wheel opening

wheel opening generator

vehicle replace brake

replace brake booster

vacuum pump abnormal

pump abnormal noise