GMC Jimmy Defroster
Browse GMC Jimmy Defroster questions and answers. Choose a question that matches your symptoms.
5 discussions
I Have My Blower On For Heat,and Defrost.the Heat...
I Have My Blower On For Heat,and Defrost.the Heat Works But The Windows Still Stay Foged Up.
Asked by Anonymous
Will I Have To Replace The Whole Heater/defroster Fan
My Fan Works Find When It's On A Level Plain. Once I Hit A Bump Or Turn A Corner, It Grinds Really Loud And I Have To Shut It Off To Stop It...
Asked by A1biker
1986 GMC Jimmy Heater Defrost Vent
I Recently Replaced The Heater Core In My 86 Jiimmy, Everything Works Great! The Heat Is Nice And Hot And The Fan Blows Great. But I Noticed...
Asked by fishercurtis
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