This Preliminary Information communication provides information to the technician about vehicles that have...
Chevrolet technical service bulletin PIC5669B for 2014 Chevrolet Silverado 1500, 2014 GMC Sierra 1500 and 2011-2014 Buick Regal and others.
- Bulletin number
- PIC5669B
- Component
- Electrical system
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that have a loud whine noise from under the hood. On 2010 Buick LaCrosse and 2011 Buick Regal with Regular Production Option Code (LAF) engine technician will need to compare to a known good vehicle and replace the Brake Booster Electric Vacuum Pump only if an abnormal noise is heard. On the 2011 - 2014 Buick LaCrosse and 2012 - 2014 Buick Regal technician will need to compare to a known good vehicle and replace the Brake Booster Electric Vacuum Pump only if an abnormal noise is heard.
Owners of these vehicles have filed 814 complaints in the electrical category.
Vehicles covered
- Chevrolet Silverado 1500 2014 2014
- GMC Sierra 1500 2014 2014
- Buick Regal 2011-2014 2011201220132014
- Buick Lacrosse 2010-2014 20102011201220132014
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