Your heat cold damper is not closing. Actuator could be sticking or bad. Or some of the foam has come loose on the damper seal. Have seen leaves in the system causing obstruction. The problem is most vehicles require dash removal to fix the problem.
SOURCE: Heated Seat Quit Working
hi you should check the fuses first.look in your ovners manual or on the fuse panel lid and under hood fuse block/s for the proper fues and location.
SOURCE: duel heat control works on one side, but the other only cold air
you need a new passenger side temp door actuator. Honestly I would have a dealership do this because they can be a bit of a pain especially if you have the console up front in the middle. If you decide to do it yourself first remove the console, and take a good look at the new actuator, then look up under the dash on the side of the heater box and you will find the actuator. make sure it is the right one and DO NOT!! plug in the electrical connector to the actuator until it is securely mounted to the temp door and heater box. Thanks for choosing fixya!! good luck.
SOURCE: I have a 2004 monte
Hello and welcome. this is caused by a bad temp door actuator for the drivers temp door. you will need to replace the drivers temp door actuator. this is a electric motor that moves the temp door from cold to hot and hot to cold
SOURCE: 2007 Chevy Silverado dual climate control, even if
Just had this happen today to my 2007 silverado heat on the right side cold air on the left side. After engine was off 15 minutes and restarted heat was on both sides. I'm guessing a relay failed to open door to allow the heat to flow thus blowing cold air.will monitor diligently for a while.
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