blower motor makes loud hum on higer settings has climate cont
Jan 23, 2010 at 4:55 AM
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2CARPRO JACK
✓Experienced Mechanic
11,533 POSTS
Probably the motor going out.High speed will make noise if bushings in motor are going out, due to higher rpm of motor and more load on the squirrel cage (Fan blade)
Jan 24, 2010 at 2:17 AM
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