Ac works fine but blower makes loud noise!

Asked by chevygirlgogo Oct 06, 2017 at 02:50 PM about the 1998 Chevrolet S-10 LS RWD

Question type: Maintenance & Repair

The blower only works on high but now it makes a horrific noise like it's about to explode!

4 Answers
22,255

Gary answered 7 years ago

Usually 1 of 2 things: The blower motor is bad (bad bearings allowing it to wobble) or there is debris in the fan cage. Best thing to do is pull the blower motor and take a look.

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22,255

Gary answered 7 years ago

Oh sorry, the blower only working on High is an indication of a bad blower motor resistor. They are usually inexpensive.

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59,825

enginecreator answered 7 years ago

About that time of year for mice to start making their fall/winter littering beds/nest and center/lower under dash heater ducks to blower motor is perfect.

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