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Dual climate control no heat on either side A/C.

Tiny
VCWLWW
  • MEMBER
  • 2003 CHEVROLET MONTE CARLO
  • 156,000 MILES
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?
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Wednesday, November 14th, 2012 AT 2:47 PM

5 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
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.
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Wednesday, November 14th, 2012 AT 2:50 PM
Tiny
VCWLWW
  • MEMBER
  • 5 POSTS
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?
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Wednesday, November 14th, 2012 AT 10:38 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Are the actuators gettingpower? Have it scanned to see if the control head is bad.
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Wednesday, November 14th, 2012 AT 10:57 PM
Tiny
VCWLWW
  • MEMBER
  • 5 POSTS
Thank you very much in the future I will donate money that I can afford
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Wednesday, November 14th, 2012 AT 11:58 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Hey np we do what wecan
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Thursday, November 15th, 2012 AT 12:58 AM

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