Loss of One or More HVAC Blower Motor Speeds on Buick Rainier

The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.

RepairPal Verified
Average mileage: 129,769 (106,000–150,000)
2 model years affected: 2004, 2005
8 people reported this problem
3 people shared problem details
2004 Buick Rainier141,000
The blower was working on Saturday and the rear blower was working on Sunday morning. Sunday afternoon neither was working.
1 person likes thisFlag inappropiate
Replaced resistor twice and still the heat stopped working. Have not checked the heater control module yet. Just don't know what to do
2005 Buick Rainier106,000
Blower won't work sometimes. Has been happening for almost 1 year. Finally quit yesterday.
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