whistling noise 2009 gmc sierra
After reviewing the recordings the dealer decided we need to change the alternator, had it changed yesterday and so far so good, will need to see if its a issue next winter but I beleive we have solved the problem, received excellent service from the dealer and a GM rep working on the case, it was frustrating at times for all due to the intermint nature of the defect, the best tool in the end was a camera slected to movie mode to help the dealer see/hear what was going on.
Thanks,
Laura
GM Customer Service
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newsierraowner
Chevy Silverado/ GMC Sierra Forum
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Jun 11, 2010 10:36 AM




