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Cant find the door acuator switch on 2001 monte

Have no heat but blower works. purged all air out and still no heat. Everyone says it is the door acuator switch but do not know where that is

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Air Temperature Control Blend Door Failure No Heat or no AC (dependes on where door sticks)

In all modern cars there is a tiny DC electric motor driven gear drive that moves a plastic door that blends heated and cooled air from the AC and the heater core, this is called (interestedly enough) the air temperature control blend door actuator. The motor that moves this door fails because the door starts sticking from warping, most common complaint is no heat but it can be no AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a very expensive repair.

Other causes of no heat in the cabin are engine thermostats that are stuck open (engine runs cold) or air bubbles in the cooling system.

Posted on Nov 07, 2012

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Posted on Jan 02, 2017

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antischool
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SOURCE: 2001 Pontiac Aztec Blower

yes and no. it may that the button is broken or the conection is bad, or it just might need an entire new system. you might want to get all of those things checked out

Posted on Aug 30, 2008

  • 393 Answers

SOURCE: the driver side heat doesn't work but passenger side does

there is also a door that controls where air flow goes

Posted on Dec 18, 2008

  • 1 Answer

SOURCE: air nor heat works the blower doesn't come on

leak in the radiator? Check your coolant...

Posted on May 07, 2009

  • 104 Answers

SOURCE: 2001 monte carlo blower motor stops working

Check all fuses using a test light. If good, turn on fan and check for power at the blower motor connector. There all the wires there as each one is for different speed. If good, blower might be bad. If no power, check switch itself for continuity. Keep me informed.

Posted on Jun 13, 2009

  • 400 Answers

SOURCE: 2004 suburban rear heat. How do you calibrate the

You need a techII there is no quick way for someone to do it.
BUT with that said you may want to try disconnecting the battery cable and letting it sit for 20 minutes or so. Sometimes it will reset it's self, most of the time it will not.
Just so you know most of the time when one of those actuators is bad it bends the door it is attaced to. And the even crapier thing about it you cannot service just the door, the case needs to be replaced.
Report back if you need further assistance.

Posted on Oct 21, 2009

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1 Answer

How do you find a fuse box for a 2007 mercury milan


under dash to the left of the brake pedal, there is another fuse block in the engine compartment, but ur problem is most likely the blower speed control (located by the blower motor), possibly blower motor or the blend door acuator which blends the warm and cold air it is usualy deep in the dash in the air box. check prices on parts and shoot acordingly some parts are pricy( no need to spend $200
bucks when its a fuse) best of luck!

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Heater core replaced still no heat or air flow


Their are little vaccume acuators that open and close little doors in your ac system and heat they seperate the hot and cold their not opening you should be able to reach under and open and close if thats not it try replacing the blower fan under the hood on the fire wall well check all fuses first pull the out one by one and check them under dash and under hood

May 11, 2012 | 2001 Pontiac Aztek

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Cant switch between defrost panel or floor heat stuck in defrost


sounds like maybee a blend door issue or a vaccuum lek

Nov 30, 2011 | 2001 Ford Taurus

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My heater only blows out cold air. When I first turn it on it blows out hot air for about 3 seconds then it turns to cold air. I have flushed the system twice, and that didn't work so I changed the...


check the vacuum lines going to the h-vac (under the dash where the blower motor is) make sure there are no vacuum leaks if there are no leaks start checking the blend door acuators firts locate all of them then start looking for the one that closes and opens the cold and hot blend door. turn the nob to heat and the other one to panel (not a/c panel just air) then if your not sure which one controls the hot and cold blend door start checking to see which acuator has vucuum going to them if there is vucmuum going to them but the acuator does not move replace it.but if it does compress take the rod lose from the blend door and see if the door in side the box is broken. if is not replace the climate controler on the dash. i hope this helps.

Nov 08, 2009 | Dodge Ram 1500 Cars & Trucks

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2001 monte carlo blower motor stops working with heat or ac


Check all fuses using a test light. If good, turn on fan and check for power at the blower motor connector. There all the wires there as each one is for different speed. If good, blower might be bad. If no power, check switch itself for continuity. Keep me informed.

Jun 13, 2009 | 2001 Chevrolet Monte Carlo

1 Answer

The driver side heat doesn't work but passenger side does


there is also a door that controls where air flow goes

Dec 18, 2008 | 1999 Pontiac Grand Prix

2 Answers

2001 monte carlo 3.4


Have you tried the heat also? If neither blow out, chances are it's the resistor on the blower motor. Mine went out in my 2001 Monte Carlo about two weeks ago and sure enough it was the resistor! The part runs around $35. Installation will vary depending on where you take it to.

Hope this helps!

Aug 04, 2008 | 2001 Chevrolet Monte Carlo

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