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Lincoln Town Car Heating / Cooling

Hi everyboby,

Recently bought a low mileage black 87 Town Car. On my first few drives I noticed that the heat didn't work. All the heater hoses get hot (both sides of the heater control valve) etc and the heater core is warm to the touch. Based on information by an old Ford mechanic I dropped the glove box and found strange looking device. The body is a cylinder made of blue plastic with two mounting wings, and two vacuum hoses leadig to it, one small one in black vinyl and one larger one in clear vinyl. A cable from the HVAC panel connects to it. According to the mechanic the function of this device is to measure the temperature of the interior air and pass the information onto the automatic climatic control system. He says that the device is bad and providing bad information to the system the air is already warm enough which is why I am getting no heat. When I bypased the device the heat worked fine...I just couldn't turn it off.

So obviously I want to replace this device. My problem is when I call the Lincoln dealer I have no idea what to call the part and there is no part number stamped anywhere on the device, just a build date. Anyone know what to call this thing or better yet a part number?

Thanks in advance,

Matt
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Comments

  • nwraaanwraaa Posts: 159
    Matt,
    Go to the Lincoln dealer. At the parts counter, they have a parts list for the heater components which they can pull-up on the computer. They can select each part on the list and pull-up the pictorial for the part. Describe your part to them, face-to-face, and they should be able to find the part number and get the part for you.
  • Hello, I have the same problem as you with my heater control on the Lincol Town Car 88. Did you figure out what's the name of the part you need to repair it? Is that difficult to repair or to find that sensor?

    I really need that heater to work this winter but I want to repair it myself.

    Please let me know.

    Steve
    steve.lavergne@hotmail.com
  • I have a 1996 Lincoln Town car. The climate control system is blowing full hot all the time, regardless of the temp set in the unit. In my research on the internet, I've read about other with the same problem who have replaced the control head and didn't solve the problem. Luckily it's winter here, so I can live with it for awhile. :-)

    Have you encountered this problem before. Would you be able to point me to the solution?

    I've also read about diagnostic procedures for this unit. Is there a guide I can access with these procedures to help me determine the health of the control head before investing in the replacement?

    Thanks - DIYERR
  • Yes, the unit is called a control head. I replaced mine and it was very simple. The biggest problem was finding a Lincoln dealer who would work with me. Most of them wanted to say "That car's too old..we have no parts for it, go to a junkyard." Fortunately I work at a parts store so I told one dealer if you want my business, work with me. He found the part in five minutes and had it to me the next day. It was like 30 bucks with a twenty percent trade discount. I'll try to find the box for the part and get the part number. I think its still out in the garage.

    The fix was very easy. I think there were eight screws that hold the dash pad to the car (Two are in the vents at the windshield). Some required a stubby screw driver. The part itself was a matter of two vacuum lines and a couple bolts. I think it took twenty minutes start to finish to do the job.

    As for the other issue of heat only working on "high" I am not sure I understand your problem but here's what I do know based on working on other Fords I've owned. There's a part called the "Blower motor resistor" usually mounted on the AC box under the hood. Trace the wires from the heater controls to the BMR. When the fan is set to "high" current goes to one tab at full strength. When you turn down the fan the blower motor resistor cuts current to lower fan speed. If your heat works only with the fan on high, I'd bet tap water to a case of Corona it's your blower motor resistor. This is normally about a twenty dollar part and takes ten minutes to replace if you are even borderline handy. You should be able to get one at a decent parts house (Carquest, NAPA etc. as opposed to Pep Boys, Auto Zone, etc) or you should be able to track one down on line by using "Blower motor resistor 1988 Lincoln Town Car"

    Good luck.

    M
  • Sorry, I wasn't clear. The system will only emit "high" heat; the fan and various floor, panel, defrost settings change appropriately. The only climate control problem is that regardless of the temperature set in the unit, it only provides hot air even when set at the lowest temp.

    I read another post on a different site where the person replaced the control head and it didn't fix the problem, so if there are diagnostics available that will help me determine whether the control head is really bad or not, that would help.

    Where did you get a control head for $30? The initial price I was given was over $600. The car is a '96 Lincoln Town Car.

    With this additional info, does any further advice come to mind?

    TIA - DIYERR
  • I have a 96 Town Car, my wife and I use it to keep the good cars off the road in the winter. This is no good without heat. Even with the heat turned off you hear what sounds like a vacuum motor cycling under the dash. On the odd occasion it cycles and stays in the proper orientation you get copious ammounts of heat; heat runs without any regard to thermostat (climate control) setting. Has anyone experienced this? I can't get it to the shop till Monday and I'd like heat before then.

    Thanks in advance.
    tekdoc1
  • My 1988 Lincoln Town Car Blower Motor stops working at times. If the switch is left on, it would suddenly come on. Sometimes it takes a few days before it starts working again. When I first purxhased the car several years ago, in order that the heat work, my mechanic removed the vacumn hose that is attached just under the glove box so that hot air would flow through the system. He told me I would have to reconnect the hose whenever I wanted the air condition on, in order that cold air flow through the system. I do not believe that this has anything to do with the blower motor not working now, but I thought I'd mention this as well..
    Is the problem with the blower motor due to the resistor that controlls the blower motor speeds. If so, where is this resistor located?
    I appreciate your help.
    Sincere thanks,
    cwss4joe
  • euphoniumeuphonium Great Northwest, West of the Cascades.Posts: 3,320
    Perhaps the windings on the motor are corroded. Apply Carbon Tetrachloride to the windings to clean the corrosion off.
  • hello everyone i have a 93 town car not long agothe blower fan quit i can wire it direct and it works but it has affected the radio also the radio has power but the sound will quit then comes back on is these two connected any help would be great thanks Barry
  • w9r1w9r1 Posts: 15
    Just purchased a 99 Town Car Executive. Car has 87k miles. Climate control is acting a little strange. Fan motor speeds up slows down and sometimes stops altogether. Seems to also be affected by acceleration and sudden stops. Any ideas where to start?

    Ed
  • izaclown1izaclown1 Posts: 116
    Usually (my 2000 & 2002 TC, my 2000 Villager), it is the relay or the sensor. It is around $150.00 - $200.00 at the dealer. The part is like $50 or less.
  • w9r1w9r1 Posts: 15
    Which relay or sensor are you referring to?

    ed
  • Climate control sensor or fan relay.
  • db9db9 Posts: 1
    Maybe this is too late to be of help but is sounds like you have a blend door that is stuck. Go to lincolnsonline.com and under the Tech section look for a fix.
  • ridehogridehog Posts: 2
    I have a 2005 TC Signature, 38000 miles. On Auto, the heater/blender doors seem to be making a constant groaning noise under the dash. After I turn the car off, the groaning goes on for maybe 15 seconds as I assume the doors reset. I am going to ask the dealer about it when I take in there next month, but my guess is any adjustments or repairs to the system itself may require removal of the dash etc with eternal noises and squeaks to follow because of that. Has anyone had this problem or have any suggestions? Appreciate any help.
  • jwg35815jwg35815 Posts: 1
    My fan comes on when on "automatic", runs for a while then shuts off. It comes on again after a while then shuts off again. This repeats. If I turn the fan on manually, on high only, It will stay on. Is there an overload fuse of some kind when on automatic?
  • euphoniumeuphonium Great Northwest, West of the Cascades.Posts: 3,320
    When set for "Automatic" there may be a sensor that determines when the fan should be ON or OFF so as to keep the cabin temp constant.

    MANUAL operation enables you to be the sensor and operates accordingly.
  • rmensrmens Posts: 2
    My engine light is burned or has been removed... anyone knows how to replace it..
    Is it an easy process?
    Thanks
  • dilbert65dilbert65 Posts: 5
    Ridehog,

    I have a 2006 TC Signature Limited with 20,000 miles that is doing EXACTLY the same thing. I dropped the glove box and felt the passenger-side blend door actuator while it was making the noise and confirmed that it is the source. I even went as far as removing the actuator. The blend door itself moves smoothly, but the actuator motor moves in a very jerky manner. I'm not sure if this is normal or not.

    Did you get any help from your dealer? I plan to mention it to my dealer, but am wondering if they did anything for you or if it is considered a "normal" noise.

    If the dealer won't do anything, I was thinking about putting a piece of foam over the actuator to try and quiet it down.
  • gstatus530gstatus530 Posts: 1
    Hi i have a 1991 lincoln towncar when i turn the a/c control lever into low it doesnt work but when i set it to hi or auto it starts right away but makes a cliking noise on the inside of the dashboard can anybody please help me .
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