73-87 Chevy _ GMC Trucks > Heating, Ventilation & Air Conditioning (HVAC)
Air blows sometimes, most times it doesn't
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juancano:
Hi; 1986 Silverado. This truck had AC but at some point it was removed.
If I try to use the Vent to blow air, nothing happens 75% of the time. Then sometimes after it's been "on" for a bit, it starts up and I get air blowing.
I can't seem to find a pattern. I don't understand enough of how it works.
Any ideas? Thank you.
Mike81K10:
I had a nest in my unit by the doors that prevented the doors from operating properly. I believe others have experienced the same. Pull the unit off and check inside would be one suggestion.
Your fan could also be going bad or you might have a bad wire connection. Check connector to fan, clean if needed.
juancano:
I'll do that; where is the fan in this truck? Under the dash or under the hood? Wondering if it's part of the old AC leftover parts. Thanks
Mike81K10:
Firewall Passenger side, under the hood.
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