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#4452168 - 07/07/17 09:49 AM 1993 Ford E350 Temperature Blend Door
NibbanaBanana Offline


Registered: 05/23/16
Posts: 292
Loc: New England
I am not getting any cool air out of the front vents with temp set on cool and selector on vent or A/C. I am getting heat. The A/C compressor is cycling on and off around 26psi and 46psi. The truck has a rear A/C unit and it is blowing cool air. So I assume the A/C is working but the blend door is somehow stuck on heat.

Does anybody know how to access the blend door mechanism? Is it vacuum or electronic? Is it accessed through the engine compartment or under the dash passenger side? Should I remove the control from the middle of the dash and check it? (The valve that closes off outside air for max A/C is actuated by vacuum and appears to be working as I can see it actuate and verify vacuum to the motor.)

Any help would be appreciated.
_________________________
1993 Ford E350 5.8L, 68K
2002 Ford E150 4.2L, 85K
2006 Chevy Aveo 1.6L 215K
2013 Kia Reo 1.4L, 101K
7500 OCI, M1 5-30 winter, M1 10-30 summer

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#4452190 - 07/07/17 10:08 AM Re: 1993 Ford E350 Temperature Blend Door [Re: NibbanaBanana]
Chris142 Offline


Registered: 06/05/03
Posts: 16811
Loc: Deplorable in apple valley, ca
Its all cables and you get to them from inside the van.Very simple system.
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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#4452571 - 07/07/17 06:07 PM Re: 1993 Ford E350 Temperature Blend Door [Re: NibbanaBanana]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Do you have a blend motor?

I had the same issue on a 2001 Ford Windstar, and after pulling the radio out (10 seconds) it was maybe a 5 minute job after that.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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