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Re: a/c blow hot air 03 jag s type R
You have 2 zone temperature control control. The heater control valve has
failed and is open allowing the passenger side heater core to stay hot. It
is a very common problem and expensive to repair. It tends to be an intermittent
problem and sometimes will work properly.
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www.tahoeforum.com > ... > Technical Discussions Dec 5, 2008 - 10 posts - 7 authors
2001 Tahoe, the front heater blows a little hot air when the car warms up and then blows cold air. The rear heat seems to work fine. I changed ...
www.hyundai-forums.com/.../294097-drivers-side-blows-hot-air%3B-pa... Jul 29, 2014 - 3 posts - 3 authors
I soon noticed that the driver's side blows warm air and the passenger side blowscold air as it should. No amount of adjusting the temp control ...
www.odyclub.com/.../46646-hot-air-driver-side-vents-cold-passenger-si... May 9, 2012 - 16 posts - 10 authors
I have a 2009 EXL Odyssey that just is doing the same thing (warm air on drivers side, cold on passenger). I checked freon levels and ...
there is 2 electronic damper controls for driver and passenger heat and cool controls directly in the middle of the car under the dash near the floor. They move the damper for temperature control up and down when you slide the switch. One of them probably got stuck or just died. same thing happened to me but mine was just stuck and I had to free it up. hope this helps
here is what you do. look on the passenger side front near the bottom of the radiator. there you will see the dccv or dual coolant control vavle. it will have your two heater hoses running to it and another hose from the radiator under it . once you have identified it , feel and look around it for any signs of leaking. barring any leaks, disconnect the connector, turn the ac/engine on and usining a tester , test for voltage on each of the three wires.if both outer wires have no current ( the middle wire yellow- will have current) then your problem is the control panel. if the control panel is not a navigation it is possible to easily repair it. replacing it can run from 600.00 to 1500.00 depending on who you goe to. oh by the way its still some data that you aint looked at. holla back if you need more help or a repair of the a/c control panel.
On the passenger side of the engine compartment near the radiator you will see a coolant control valve that has heater hoses running from it to the heater core inside vehicle.This is probably going bad.You can clamp off the hoses with some pliers while it is acting up and see if this stops the heat.If it does then it is probably bad.
Is it leaking antefreeze?
The thermostat might be gone or needs a bigger thermostat
It could be a vaccum leak for the drivers side blowing cool air and the passenger side blowing warm air
Does it have dual air control switches one for drivers side and one for passengers side?