Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - no heat ...any help
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Old 01-17-2013, 12:24 PM   #5
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Many of the too much/too little heat issues seen here are from the "blend door" sticking or it's actuator not working...

Instead of a valve to turn the hot coolant to the heater core on & off, most newer vehicles including the Focus just redirect the air between cold & hot (whether it comes in through the heater core or the A/C side).

Haven't played with this issue myself yet, but I've heard you can see the actuator & lever through the glove box area when you open that up all the way. Look for a lever & actuator on the air duct toward the middle of the car - you MAY see it try to move when you change temperature settings if it's just stuck and the actuator is trying to work. Some folks have reported having luck just freeing it by hand without it sticking on them again....

Luck with yours!
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