Front climate confrol does not work only blows cold air but rear climate control works jist fine
Could be the controller or a faulty blend door.
The blend doors direct air thru the heater core and evaporator along with the vents. The controller uses electric motors to change the direction of air flow.
SOURCE: 2002 GMC Yukon blows cold air from the front, rear works fine
check you antifreeze level and make sure its full
SOURCE: my air blows hot even tho my climate control is on cold
U have a stuck air temp control blend door, either the actuator motor is defective or the door is warped and has jammed, one thing is that u must remove the dash to rcheck replace these parts.
SOURCE: Changed batteries and climate control not working properly
The actuator has gone bad. They can be programed, and reset, but usaly they are bad, and that will only patch the problem for a while.
SOURCE: 2002 GMC Yukon front A/C blowing warm air
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