Stuck on heater?

Tiny
ROBERT WILLIAMS
  • MEMBER
  • 2000 FORD TAURUS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 130,000 MILES
This problem started yesterday., When you turn on A/C, you can hear Compresor activating, I thought maybe it lacked Freon, and added 33 ozs, but did not help, I am thinking that maybe it is the air blend Actuator. Is it somthing I can Do or do I have to take to dealer, If I can do it can you explain procedure? T.Y.
Friday, August 21st, 2009 AT 7:55 AM

3 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
A/C BLEND DOOR ACTUATOR
A/C electronic blend door actuator, located on rear of evaporator housing, contains an electric reversible motor and a potentiometer. Potentiometer wiper is connected to the actuator output shaft and moves, on command from temperature control switch, with output shaft to indicate air temperature blend door position.


https://www.2carpros.com/forum/automotive_pictures/99387_Graphic1_471.jpg

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Friday, August 21st, 2009 AT 9:18 PM
Tiny
PRINGLE CALVIN
  • MEMBER
  • 1 POST
  • 1999 FORD TAURUS
  • 3.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 185,635 MILES
Doesn't matter which function is selected, what temp is selected in auto or manual you get full heat. When problem was first noticed, the weather consisted of cool mornings and warm afternoons. Normally the EATC was set on 75. Our feet and lower legs started getting colder and temperature would have to be adjusted to its highest setting, now no matter what setting or temperature is selected in heat or A/C you get max heat. I have not a clue where to start. Your help will be greatly appreciated.
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Wednesday, July 28th, 2021 AT 1:03 PM (Merged)
Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
It appears the blend door has failed. There was a bulletin for this. Unfortunately the dashboard would need to be removed for this repair. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Wednesday, July 28th, 2021 AT 1:03 PM (Merged)

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