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Author Topic: Air blows sometimes, most times it doesn't  (Read 514 times)

Offline juancano

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Air blows sometimes, most times it doesn't
« on: September 07, 2023, 08:48:58 PM »
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.
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Offline Mike81K10

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Re: Air blows sometimes, most times it doesn't
« Reply #1 on: September 07, 2023, 09:11:25 PM »
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.
« Last Edit: September 07, 2023, 09:13:15 PM by Mike81K10 »
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"Tell me and I forget. Teach me and I remember. Involve me and I learn." -Benjamin Franklin

Offline juancano

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Re: Air blows sometimes, most times it doesn't
« Reply #2 on: September 08, 2023, 08:20:35 AM »
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
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Offline Mike81K10

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Re: Air blows sometimes, most times it doesn't
« Reply #3 on: September 08, 2023, 01:33:41 PM »
Firewall Passenger side, under the hood.
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"Tell me and I forget. Teach me and I remember. Involve me and I learn." -Benjamin Franklin
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