Heating AC and Engine Cooling
Ford Windstar
Heater Cores and Blower Fans
Car Heaters

Why would a 1999 Windstar LX just blow cold air from the rear heater?


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Wiki User
2006-08-01 18:42:43
2006-08-01 18:42:43

If you have your system on heat and you are only getting hot air from the front vents and not the rear you might have a bad actuator motor. There are two different plenum doors on your vehicle. One opens and closes for heat to the front passenger area. The other one opens and closes for the rear passenger area. There's another answer out there for this rear A/C problem advising owners that the rear control knob on the front dash is bad and replacement is 'a snap'... Can anyone comment on these two trouble-shooting tips?


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The blower on the back heater may need to be replaced on the 2000 Ford Winstar.

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When you have the heater on, does it just blow any air at all? or no air?

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For a Windstar, a common problem is a failed temperature blend door motor - actuator. See "Related Questions" below

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Because your thermostat is probably stuck open

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Leak in heater core. Replace core.

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