I own a 1993 chevy cavalier and when the heater is on makes a loud noise and sounds like a chainsaw bogging out when you turn it off what could it be???

Asked by Jan 22, 2017 at 10:02 PM about the 1993 Chevrolet Cavalier

Question type: Maintenance & Repair

Heater makes an awful noise what could it be???

2 Answers

23,225

The blower motor assembly. Might have a bearing going out.

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125

I second the assertion it's the blower motor... they sound like hell when they nuke. Can also be something IN the fan, like leaves or sticks- or mice.

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