heater fan

Asked by GuruTBH4G Jun 25, 2018 at 12:48 PM about the 2008 GMC Yukon XL Denali AWD

Question type: Maintenance & Repair

heater fan surging

1 Answer
7,615

Brian answered 6 years ago

Possibly blower motor resistor block. Would pull out blower motor out and bench test.

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