2005 Chevy Suburban Blowor Motor Not Working

2005 CHEVROLET SUBURBAN
66,000 MILES • V8 • 4WD • AUTOMATIC
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EXCOACH
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  • 3 POSTS
The blower motor does not blow air for the heater or AC. When the car is at idle then no air comes out of the vents. When driving the car then minimal air blows out, even when on the highest level setting. With winter nearing I need to get this fixed.

I've read about blower motor relays, resisters, and the motor itself. I can't tell where these items are located. Any suggestions where to start troubleshooting to narrow down the failed component?

The '05 Suburban is a failed product. Had to have the throttle body assembly replaced, the instrument cluster replaced, and the speedometer does not work. Would the failed speedometer and failed blower motor be related?
Nov 9, 2009 at 9:44 PM
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JACOBANDNICKOLAS
  • ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
As far as the heater, I would start at the motor. Check to see if it is getting power. Let me know what you find.

Also, I'm confident that the blower motor and the speeo are not related. The speedo is most likely a bad vehicle speed sensor (VSS). Has the check engine light ever come on?
Nov 29, 2009 at 11:15 PM
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