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Old 04-17-2019, 10:49 AM   #1
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Cab AC and heat

So after sitting for about 10 months I have some issues. Before I let the MH sit I had just had a new AC compressor installed. From the trip from Arizona to Florida it worked flawlessly. Trip from north florida to south florida all it did was make noise. No forced air coming out of the cab ac ducts. Sounds like the fan is blowing but nothing comes out. Seems the same for the heat, but not sure of that. I will be posting more as I search for my answer, but if it sounds familiar please help. Thanks.

Will and Maria
2005 Winnebago Vectra 40AD
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Old 04-17-2019, 11:01 AM   #2
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Stuck vac operated door,probably the floor-dash register door is stuck

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Old 04-17-2019, 05:00 PM   #3
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Originally Posted by avfordguy View Post
Stuck vac operated door,probably the floor-dash register door is stuck
Thank you. I'll check it out.
Will and Maria
2005 Winnebago Vectra 40AD
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Old 04-18-2019, 09:47 AM   #4
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You might also check out this thread (complete with pictures): Pump noise under the hood??

If there's a vacuum leak the system will default to defroster only (for safety). If you're getting defrost air but not dash or floor air this could be the cause.
Chris Beierl

2005 Winnebago Vectra 36RD
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Old 04-18-2019, 08:54 PM   #5
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It might be the Evans actuator. This is a useful resource for our cabin heating and cooling system:Evans Tempcon > Owners Resources
2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG retired;Good Sam Life member,FMCA."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert the Constitution. "Abraham Lincoln"
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