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Old 06-21-2018, 12:31 AM   #1
Already Gone
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Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,167
Heater Blower Motor Question

We are experiencing a heat wave here and I am enjoying using the factory A/C in my 72 which works fine. My question is when I have the fan on the highest position the noise form the motor is super loud as opposed to the 2/3 lower fan speeds. Is this a normal thing with factory A/C as you can't really have a conversation in the truck when the blower is on high.
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