Lincoln Town Car 2002 --Just had rear air bags changed. Air compressor fills them up, but when car is off, the bags deflate completely. I bought this car new, so I know that the compressor comes on sporadically, when off, and this is not happening! Please Help!

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Asked by Jan 21, 2013 at 10:17 AM about the 2002 Lincoln Town Car Signature

Question type: Maintenance & Repair

16 Answers

The air lines to the bladders can deteriorate

2 of 2 people found this helpful.
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But the compressor isn't continually running. It was continually running when it was off , and that is what made the mechanic check the airbags, which were dry rotten. I would think if it was an airline leak the compressor would run after off. The compressor, I know runs sporadically, after car is off to continue leveling. This is not happening at all. Once off , the airbags just deflate, and do not reinflate until car is turned back on. Could this be the sensor, or I read something about pins or fuses, near the compressor, which gets the compressor to come on, when the car is off. I don't know where I saw this! Please assist!

2 of 2 people found this helpful.

Yeah, there are height sensors, and the compressor will re inflate them until the car is at proper height even when it's parked...however there is some sort of timer or something that after X amount of time it will not come back on, to keep the battery from discharging from constant re inflation. I know nothing about pins, but it is fused

3 of 3 people found this helpful.
Best Answer Mark helpful
102,295

Sounds like a slow leak in one of the air lines or fittings. I have used a liquid product called Snoop to find air and natural gas leaks. Once a leak is covered, it starts making bubbles. Maybe kid's bubble solution would work to a lesser degree to find out where your pressure is going.

4 of 4 people found this helpful.
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DavidH25 -Would you know which fuses under the hood, controls the air compressor. I did read that a fuse under the hood, controls the air compressor when car is off. The compressor is not coming on at all when car is off. .

3 of 3 people found this helpful.
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tenspeed, Could be a slow leak, but compressor should be coming on trying to compensate. Seems like a fast leak - Car goes from high back end to low fairly quickly!

2 of 2 people found this helpful.

A fuse does not control anything. A fuse only breaks an electrical circuit when it is overdrawn. There is a height sensor that controls the compressor. When so much time goes by, it will not attempt to pump again and again when the car is off, or you will have a dead battery

1 of 1 people found this helpful.
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So - it sound like something is wrong with the height sensor, right? If so, How much do you think it would cost to change the height sensor (I presume 2 of them), or do you think they need changing - My problems look like there is no height sensor at all!

6 of 6 people found this helpful.
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I have a 1998 TC Signature that has demonstrated similar symptoms,I found issues with the Grounds & Their Splices. You might check your grounds from the battery positive to anything that needs to have a ground check for 12 volts & adequate voltage at the connector in the trunk, the tan/white & brown & purple wire (on a'98) should go to the air bag solenoid that tells it when to open. Until I repaired the grounds and splices the reading was down to less than 6 volts. That is where I wold start.

2 of 2 people found this helpful.
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@Harmoneyjo did you ever figure out your problem? My 1998 TC Signature is now having the same problem. @Gary I am going to check out the voltage to the switch in the trunk. This really has me scratching my head. Sometimes it will inflate other times it will later on in the day. Today being 04/30/2014 it did not inflate at all today. It is very windy and rainy out today, so I guess it could be a bad ground connection. Thanks for your advice so far. My email is njvig64@verizon.net

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My air bags leak sometimes all the way down in abt 4mins and sometimes it dnt leak down (after car is off) i cant figure out why?..i think if it was my air bag leakin it would do it all da bt it doesnt...any ideas?

6 of 6 people found this helpful.
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i have used a mixture of window cleaner and water in spray bottle then spraying the bags and lines producing small bubbles easy to see that indicate leaks

2 of 2 people found this helpful.
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I replaced my air bags my compressor was running now it won't come on is there a time delay or something it worked 10 mins befofe I put the bags in now it won't come on anybody help

7 of 7 people found this helpful.
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There is a fuse that intermixed with Power feed to air bag compressor. Continuous operations results in fuse blowing. A customer that I first met, regarding the airbag, two years ago. The same air bag is leaking again. The compressor runs none stop, doesnt ride good, and fuses blow. Another customer, replaced both airbags, though the compressor is so worn out it, that it blows fuses while driving. Some times it will go off with out blowing the fuse, so I believe it could have a delay breaker of some kind.

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The only part I can find is the relay Active Suspension Relay Part Number: 9K9 Manufacturer: ADVAN-TECH The ADVAN-TECH Relay Soft Ride Control is designed to operate in either city or highway driving. Please review the fitme

1 of 1 people found this helpful.

I get the same problem I'll try and have somebody to fix my car could you tell me what I have to have what's the name of the air bags I got the half the year I don't know a lady I don't know too much about cars

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