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Stuck blend door - is this accessible under the hood or does the dash need to be torn apart

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No power to fuse box under dash. 94 lincoln town car

Better take the dash back apart , you didn't connect something , something came apart . Your answer is behind the dash .

Jan 24, 2017 | Lincoln Town Car Cars & Trucks

2 Answers

Why does the A/C blow warm air on the driver's side but normal on the passenger side?

Probably you have a blend air door failing to operate. These are controlled by vacuum on most systems, so you could have a vacuum leak to that door actuator, or a bad actuator. he bad news is, these devices are usually located way up under the dash such that they may be very hard to access. Unless you are comfortable taking much of under dash apart, might be a job for the dealer.

Jul 13, 2015 | 2009 GMC Yukon

1 Answer

I have a 2002 Ford Econline E350 that the front air comes out only out of the windshield area, no air out of face/feet area. Already replaced the Blending Door Actuator, please help! :)

Go directly towards a vacuum leak . The vacuum reservoir is notorious for going bad in the these vans , unfortunately you have to pull the heater box to repair it which takes numerous hours. Hopefully it is just a vacuum leak that's accessible. If its a diesel I would first check the vacuum pump , if its gas then start by checking the small vacuum line under the hood along the cowl on the right rear of the engine compartment. Pull apart one of the tee fittings and check for vacuum with the engine running . Then check inside the truck pass side under dash for a bunch of vacuum hoses . Got vacuum?

Mar 31, 2014 | Ford Cars & Trucks

2 Answers

Air conditioner blowing hot air

Blowing hot air when set to A/C is almost always a stuck blend door, dead blend door actuator, or a cracked or disconnected blend door actuator vacuum line. The blend door is inside the a/c ducting under the dash, but the actuator will be accessible outside the ducting.

Jul 05, 2010 | 2000 Lincoln LS

2 Answers

2003 mercury grand marquis LS heater does notr blow hot air, blower blows but cold air comes what is the problem

The blend door is stuck in cold position. That usually happens because the blend door actuator has failed.

You will need to test and replace the blend door actuator.

To replace the actuator you will need to take apart the dash and remove completely the instrument panel,d isconnect the connector, remove the four screws, remove the temperature blend door actuator and replace it.

The replacement is not a job for beginners, since you have to take apart the dash to access the actuator.


Nov 18, 2009 | Mercury Grand Marquis Cars & Trucks

2 Answers

200 Jeep Laredo..Air is cold and fan is blowing,

there is a blend door actuator for the laredo and if is bad the air wont come out here is a pic of what it looks like and how to get to it

The single zone heater-A/C system is equipped with a single blend door actuator. The dual zone system has two blend door actuators, one for the driver side blend-air door and one for the passenger side blend-air door.
  1. Disconnect and isolate the negative battery cable.
  2. Remove the glove box from the instrument panel.
  3. Remove the three screws that secure the blend door actuator to the passenger side of the HVAC air distribution housing .
  4. Remove the blend door actuator from the air distribution housing and disconnect the HVAC wire harness connector from the actuator.
  5. Remove the blend door actuator from the vehicle
to instal
  1. Position the blend door actuator into the vehicle.
  2. Install the blend door actuator onto the passenger side of the HVAC air distribution housing . If necessary, rotate the actuator slightly to align the splines on the actuator output shaft with those on the blend door cam .
  3. Install the screws that secure the blend door actuator to the passenger side of the air distribution housing . Tighten the screws to 17 inch lbs. (2 Nm).
  4. Connect the HVAC wire harness connector to the blend door actuator.
  5. Install the glove box into the instrument panel.
  6. Reconnect the negative battery cable.

Sep 09, 2009 | 1998 Cadillac Seville

1 Answer

Vacuum Controlled A/C Blend Door Issues

Check the white vacuum hose going to your recirculation vacuum motor under the hood to the right side of the fire wall. It runs inside a wiring harness. The hose will get brittle and break apart. Start there it is the most common vacuum leak on a ford truck.I hope this helps.

Jun 06, 2009 | 1993 Ford F250

1 Answer

A/c not blowing

Its called a Blend door
its under the dash passenger side needs to be replaced

Aug 07, 2008 | 1995 Lincoln Town Car

3 Answers


The heater and a/c blend door actuator motor is located behind the center of the dash just below the windshield. The steering column must be detached and lowered and the dash must be removed to access the blend door motor.

Jul 07, 2008 | 1996 Lincoln Town Car

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