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I have a 1989 lincoln town car. On full throttle the a/c goes to warm air and volume decreases.(lil door behind the lower glove box closes)opens again at idle. Thus, a/c returns cold and full volume.

What is causing this? Please help. Ricky

Posted by Ricky DeVere on

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Dan Hooper

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  • Lincoln Master
  • 3,591 Answers

Sounds like you have a vacuum leak that needs fixed.

Posted on Oct 26, 2020

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3 Answers

What could be the problem in 89 Lincoln town car if ac blow hot air when accelerating but when ideling or less then 46 mph blows cold?


I'm no expert when it comes to your vehicle. However it sounds to me as though there may be a vacuum leak somewhere causing the HVAC door that controls the AC/heat to be faulting to the 'hot' side.

Drive the car up to 55 MPH with the AC on. Making sure there is no vehicles close behind you,completely let off the gas pedal and see if it starts blowing cold air right after letting off the throttle. If it blows cold, then it's probably a vacuum leak.

If it doesn't blow cold then it could simply be low on freon or a partially clogged filter in the AC line.

Hope this helps.

May 31, 2015 | 1989 Lincoln Town Car

1 Answer

2002 Lincoln Town Car I have hot air blowing from the vents.


Check you blend door under the glove box see if its opening and closing

Apr 03, 2014 | 2002 Lincoln Town Car

1 Answer

Where is the air bag module located on a 2005 lincoln town car


it is located behind the glove box-it has two harness connectors one is gray and one is black- open the glove box door, press the sides in to the bin and drop it down-it's there.

Sep 12, 2011 | Lincoln Town Car Cars & Trucks

1 Answer

Hi..i put in the thing in the AC to make it get cool..and hot air still coming out of the vent..its not blowing cold...even the compressor comes on...but only one of the fans come on...can u help me...


The blend door is inside the box where the air flows from outside into the car. The air goes through the air conditioner first, then it goes to the blend door. When the door is open, the air will then go thru the heater and get hot. When the door is closed, the cold air will come out the vents. In this way, the blend door controls how much air goes thru the heater. When you are running the A/C, you want the blend door closed. If your a/c compressor is working but you are not getting cold air, the blend door may be stuck open.
My book shows your blend door is behind the glove box. It also says your door is controlled by a cable. What you should do is look behind the glove box to see what happens when you change the temperature on the panel. It should move a cable behind the glove box that turns a lever on the door. The cable should turn the lever as far as it will go. If it doesn't do that, it is either broken or needs to be adjusted. It may have slipped out of it's clamp. To adjust, loosen the clamp, turn the knob to cold, and push the door fully closed, then tighten the clamp.

Let me know if it doesn't look like what I'm saying or if you have other questions.

Oct 05, 2010 | 1997 Mitsubishi Eclipse

2 Answers

Cabin air filter (a/c filter)


Hello Oldgzr.
You were on the right track, it is behind the glove box.
Here are the instructions from the manual.


  1. Remove the lower glove box bin from the instrument panel
  2. Disengage the two retaining tabs (1) that secure the particulate air filter cover (2) to the passenger side of the HVAC air distribution housing (3) and remove the cover.
This is the cover behind the glove box that needs to be opened.
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Mar 30, 2010 | 2009 Chrysler Town and Country

1 Answer

Lower Glove Box Won't Close


I fixed this in a 2010 Rav4 by lowering the glovebox all the way and finding that the cover to the cabin air filter had fallen off and was jamming the hinge of the glove box. To lower the glove box, pull the glove box side walls inward until the lock tabs clear the sides of the opening and you can rotate it all the way down. Clear whatever is jamming the hinge and rotate the glove box back into position. Be sure the hinge is pushed all the way forward onto the corresponding pin before closing the glove box, otherwise there will be misalignment. There is also a plastic air piston on the right side of the glove box assembly that damps the movement of the glove box. Be sure the piston assembly is secured into the two corresponding locking pins (one on the glove box, the other on the glove box opening) before closing the glove box.

Jul 08, 2009 | 2007 Toyota RAV4

2 Answers

My 1989 Lincoln Town Car is blowing hot air all the time..


Sounds like the system is out of refrigerant. Unfortunatley, it takes the older refrigerant R-12 instead of the newer one 134A. The compressor needs 2lbs of refrigerant for it to come on.

May 04, 2009 | 1989 Lincoln Town Car

1 Answer

1995 lincoln town car heater


the door opening & closing on Max a/c is the inside/outside air intake door.
The temp blend door is the one you are concernd about. It says you have to remove instrument panel for access. ouch!!!

-------------------------------------
A/C Electronic Door Actuator Motor
The A/C electronic door actuator motor (19E616) is located on top of the A/C evaporator core housing assembly.
  • Its function is to move the A/C air temperature control door on command from the control assembly.
  • The A/C electronic door actuator motor contains a reversible electric motor and a potentiometer. The potentiometer wiper is connected to the actuator output shaft and moves with the output shaft to indicate the position of the A/C air temperature control door.
  • Battery voltage is applied to the ends of the potentiometer. The voltage available at the wiper indicates the position of the potentiometer. The actuator wiper voltage is sent to the control module and matched with the wiper voltage of the module potentiometer. The printed circuit board then drives the actuator motor in the direction necessary to make the actuator wiper voltage agree with the control module wiper voltage.
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Dec 27, 2008 | 1995 Lincoln Town Car

3 Answers

96 LINCOLN TOWNCAR STUCK ON HEAT ONLY !


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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