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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1972 C10 Custom/Deluxe 613 Highlander 406/700R4
1999 White Tahoe LS 4x2 with Z56 Police Package
1992 K1500 GMC Suburban
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