Rear AC not working
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Senior User
Joined: Apr 2019
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From: North Carolina
Rear AC not working
She blows hot air. Fan speed control works, rear controls work, it just blows hot air. Could this be a blend door issue? Doesn’t the Ex have a separate condenser for the rear Ac?
Hotshot
Joined: Jan 2004
Posts: 19,762
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From: St Louis
Could this be a blend door issue?
Doesn’t the Ex have a separate condenser for the rear Ac?
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Senior User
Joined: Apr 2019
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From: North Carolina
No variation in air temperature at all. It stays Warm.
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Senior User
Joined: Apr 2019
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From: North Carolina
Where are the actuators located?
Cargo Master
Joined: Jun 2013
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From: Florida and Tennessee
Is the line going into the evaporator cold? Typical failure (screen gets clogged) is the rear expansion vale.
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Hotshot
Joined: Jan 2004
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From: St Louis
Based on his responses, his first problem is that he has zero control over the outlet air temp, even before considering the effect of refrigeration.
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Ruanmac
. Is the compressor kicking on ? If no there is a switch near the compressor its a low presureswitch while the switch for ac is on keep the connector connected and wiggle the wire ends. Sometimes this works. Ac is1 big system has one of everything but blower motors and switches. The air is moved thru a duct in the ceiling.
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I had the same issue. I replaced the rear expansion valve located behind the jack. It was like 30 bucks at autozone.
Another 40 bucks worth of refrigerant because the system opens up while replacing the valve. I replaced the orifice tube while the system was uncharged too.
Recharged it and rear blows cold again.
Another 40 bucks worth of refrigerant because the system opens up while replacing the valve. I replaced the orifice tube while the system was uncharged too.
Recharged it and rear blows cold again.
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