2003 Chevrolet Monte Carlo Dual Climate Control Heat On Either Side C Blows Cold

2003 CHEVROLET MONTE CARLO
156,000 MILES
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VCWLWW
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dual climate control no heat on either side a/c blows cold both actuators move in the 90 degree arc new thermostat both inlet and outlet to heater core hot coolant level at radiator full new radiator and heater core what else besides the control panel could the problem be?
Nov 14, 2012 at 2:47 PM
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HMAC300
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if the actuators move then it may be they are either broken on the shaft or the shaft has broken on the plate that moves. take the actuator off and seeif it is either rounded off or what. then try moving actuator shaft by hand to see what's up.
Nov 14, 2012 at 2:50 PM
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VCWLWW
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actuators removed turned door shafts by hand no heat bled system also coolant checks to 30 below. Does freon have anything to do with no heat thru evaporator in this system?
Nov 14, 2012 at 10:38 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
are the actuators gettingpower? have it scanned to see if the control head is bad.
Nov 14, 2012 at 10:57 PM
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VCWLWW
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thank you very much in the future i will donate money that i can afford
Nov 14, 2012 at 11:58 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
hey np we do what wecan
Nov 15, 2012 at 12:58 AM
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