Why did my a/c start blowing hot air?

2004 Chevy Tahoe. Hot air out of vents on driver's side, cool ...

answers.edmunds.com > Edmunds Answers

Jun 25, 2009 - Hot air from vents-driver side and cool air from vents on passenger side. ... The driver's side vents were blowing out hot air, and everything else wasblowing cold. ... you'll literally have to restart your tahoe/yukon at every traffic light to keep cold air coming ... I was also getting air only out of the defrost vents.

Hot air out front drivers side vents 05 escalade - YouTube

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https://www.youtube.com/watch?v=5lnd8UNcx6M
Aug 3, 2013 - Uploaded by South FL Mud Club
Suddenly hot air started blowing out the air vents only on the drivers... ... is a very helpful video ,I wondering if this part number apply for my 04 chevy tahoe? .... I have cold air out of thepassenger side, but warmer air out of the driver's side. .... 2003 Tahoe No Rear Heat Fix, Suburban, Yukon XL Repair!

Heating and AC Temperature and Air Delivery Mode Door ...

repairpal.com > Problems > Chevrolet > Tahoe

Driver/passenger air vents blow hot then cold when using A/C. Back to cold when you restart the vehicle. Upvote (35) ... 2003 Chevrolet Tahoe ... I have a 02 Tahoe ,and the heat system is working only on the ceiling side of the car when turn.

2004 Chevrolet Tahoe Blows Hot Air - Sparky's Answers

Driver's side blows hot air; passenger side cold air - Hyundai ...

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 ...

Hot air on driver side vents - Cold on passenger side - Page 3 ...

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 ...

Sounds like a blend door actuator failure,Might as well replace both sides

needs gas topping up end of story .

If you dual climate control sounds like it the mode door actuator that controls driver and passenger temp. If it went bad again then there is something wrong with the mode door itself causing the actuator to short out

2004 Suburban air conditioner blows hot air to the dirver side but cold air to the passenger. This does not happen all the time but has occurred several times this last summer.

sounds like heater box diverter stuck close is it manul switched or when your turn switch you hear a wistle **** sound could be a purdger gone//// good place to start looking

Sounds like there is a crack in the vent that leads to the drivers side, and hot air from the engine is leaking through.

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?

sounds like the drivers temp door actuator is not working should be located on the drivers side of the air box down by the gas pedal or center dash area