Mechanics

NO HEAT IN REAR

2000 Ford Expedition

Heater problem
2000 Ford Expedition V8 Four Wheel Drive Automatic 105, 00 miles

Air conditioner works both front and back but heat only works in front both front and rear panel/floor switches operate correctly all buttons on front control floor, panel, defrost ect direct air correctly. It has the climate control automatic controller.I have narrowed it down to the control unit or rear blend doors. Can I troubleshoot control unit by swapping vacumn lines to see if the problem moves?
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Mpco3
October 28, 2010.




Yes, you can try that. However, it does sound like an issue with the blend door.



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