2003 Mercury Sable Station Wagon Heater Squawking

Tiny
GUSTO
  • MEMBER
  • 2003 MERCURY SABLE
My car has 40,000 miles on it, and is in terrific shape. My heater/AC suddenly stopped working. I have checked the relays, wires and fuses. Everything looks good.

When I turn the heater on I hear a "squawking" sound coming from either the speed controller or the blower motor. The sound changes pitch a little bit, ( to a wierd humm), but I can't tell what it is doing. As soon as I turn off the heater, it stops.

I am assuming that my switches are therefore functional.

What do you think?
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Friday, December 29th, 2006 AT 5:08 PM

1 Reply

Tiny
SERVICE WRITER
  • EXPERT
Sounds like a bad blower motor.
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Friday, December 29th, 2006 AT 9:13 PM

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