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1993 Ford E350 Temperature Blend Door #4452168
07/07/17 08:49 AM
07/07/17 08:49 AM
Joined: May 2016
Posts: 293
New England
NibbanaBanana Offline OP
NibbanaBanana  Offline OP
Joined: May 2016
Posts: 293
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
Re: 1993 Ford E350 Temperature Blend Door [Re: NibbanaBanana] #4452190
07/07/17 09:08 AM
07/07/17 09:08 AM
Joined: Jun 2003
Posts: 17,808
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 17,808
Deplorable in apple valley, ca
Its all cables and you get to them from inside the van.Very simple system.

02 Wrangler carlube 5w30
87 F250 traveler 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: 1993 Ford E350 Temperature Blend Door [Re: NibbanaBanana] #4452571
07/07/17 05:07 PM
07/07/17 05:07 PM
Joined: Dec 2016
Posts: 7,109
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,109
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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