Question about 1991 Lincoln Town Car

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Locating the air suspension compressor on 1991 linoln town car

Trying to replace my level ride air suspension compressor but i do not no where the compressor is located can you provide me with pictures or diagrahms, schematics etc.

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  • Anonymous Jan 02, 2009

    rear suspension replasement for a regular

  • bryan_battle Jan 16, 2009

    My air ride syatem wont rise up.

  • steventoddha Feb 04, 2009

    fix rear air suspension?find compressor?switch in trunk not functioning.

  • faxjax Feb 18, 2009

    I have a 95 Lincoln Mark vIIII 4.6 v8 Can you tell where the Air Ride compressor is located? And is there any tricks to changing out the compressor and dryer?

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  • 235 Answers

Its under the windshild washer reservoir ,under the hood on drivers side.

Posted on Dec 23, 2008

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Trying to find a wiring diagram for air compressor. Rear air ride is out compressor not running at all checked fuses just replaced relay .


I know that you are trying to fix that air ride, but i put these replacement springs on my 93 towncar. Fixed the compressor problem (eliminated it) and cost a whole lot less. The install is kinda hard if you've never dropped a rear end before. Need a good tool set, a couple jacks, and jack stands to get it done. Check it out. Even having a mechanic install them would be cheaper than replacing a compressor.

http://cgi.ebay.com/ebaymotors/LINCOLN-TOWN-CAR-AIR-SUSPENSION-SPRING-CONVERSION-KIT-/180707393835?pt=Motors_Car_Truck_Parts_Accessories&fits=Year%3A1993%7CMake%3ALincoln&hash=item2a1300012b

Aug 26, 2011 | 1990 Lincoln Town Car

1 Answer

Ihave problem whit the light pop in the dash the air ride is on all teh time,i am look the manual an try turn the suicht on and off of the trunc is not work


Hi Alejandropen

Your Check Suspension light has come on for a reason and turning the on/off button will not remove this problem.

If your compressor does not come on

Go through the basics with the system starting with its power. Check the fuses for it in the engine bay fuse box.
Also fuse 1 and 4 in the car fuse box locate dnear trunk release.

Replace if blown and see if system works.


Checking compressor

Pull out the relay for the air suspension in the fuse box in the engine bay.
Pin 30 is the one located directly under the fuses above it.

Pin 30
Pin 86 -------- Pin 85
PIN 87

Put a peice of wire between 30 and 87 the compressor should come to life IF its workings, dont hold this bridge in for long just breifly to hear it come on then stop it.

If this works try switching the Horn relay to the Air suspension one and see if it comes alive.

If this does not work and all the fuses are ok, You have a problem with the air compressor and need to pull it out for testing or replacement.

If this works you may have an issue with the suspension controller.

Hope this helps

Dec 19, 2009 | 1991 Lincoln Town Car

1 Answer

1996 lincon town pump works and cuts off before airing up


I am new at the Air Suspension issue myself. My 96 is beginning to have some issues. But, have you had the Height Leveling sensor above the rear axle checked out? The position of this sensors 'arm' is what tells the system to turn on and off the Air Compressor in order to maintain a level ride height. From what I have read. these sensors wear out. A faulty sensor could be telling the compressor to kick off to soon.

Aug 06, 2009 | 1996 Lincoln Town Car

1 Answer

Cant find air ride suspension compressor


it is under the battery tray. remove the battery and remove the battery tray.you will see it then

Jun 26, 2009 | 1991 Lincoln Continental

2 Answers

Can any one tell me were how i can find the automatic level control on my 1994 town car


Description and Operation The rear air suspension:
  • Is an air-operated, microprocessor-controlled, suspension system.
  • Replaces the conventional rear coil spring suspension.
  • Provides low spring rates for improved ride and automatic rear load leveling.
  • Is standard equipment on the Town Car.
  • Is available as optional equipment on Crown Victoria and Grand Marquis.
The rear air suspension system has the following features:
  • The system is operational with the ignition switch in the RUN position.
  • Automatic rear load leveling has limited operation for one hour after ignition switch is turned to OFF.
  • The air suspension switch, located on the right side of the luggage compartment, must be turned OFF when the vehicle is on a hoist, being towed or jump started.
  • The Air Suspension warning indicator is located in the instrument panel, to the right of the speedometer.
    • The warning indicator flashes five times and then stays on when service switch is turned off or a system malfunction is detected.
  • The rear leveling system operates by adding or removing air in the springs to maintain the level of the vehicle at a predetermined rear suspension D ride height dimension, and is controlled by a control module (5A919) .
  • The rear air suspension control module also controls the electronic variable orifice (EVO) steering.
  • Refer to Section 11-02 for Description of the EVO steering system.
  • Air required for leveling the vehicle is distributed from the air compressor to the rear air springs by a nylon air line which runs from the compressor air dryer (5346) through a Y-fitting to each individual air spring.


Suspension, Computer Controlled—Town Car

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Item Part Number Description 1 9C392 Compressor Relay Power Junction Block 2 5A897 Air Line (Attached to Brake/Fuel Bundle) 3 5319 Air Compressor With Regenerative Air Dryer and Vent Solenoid 4 5A897 Air Line to Compressor 5 5K761 Air Suspension Service Switch 6 14489 Data Link Connector 7 — Quick Connect 8 — To LH Air Spring 9 — From Compressor 10 — Y-Fitting (Part of 5A911) 11 — To RH Air Spring 12 5A908 Heat Shield 13 5A966 Spring Retainer Clip 14 5560 Rear Spring 15 5359 RearAir Suspension Height Sensor 16 5A919 Control Module 17 14018 Air Spring Solenoid

Control Module Power and Ground The control module (5A919) has the following features:
  • Power is provided by Circuit 418 and is controlled by the air suspension switch.
    • The air suspension switch is powered through a 15 amp fuse in Circuit 296 in Town Car.
    • AIR SUSPN PUMP (30A MAXI) fuse provides this power through Circuit 414 in the Crown Victoria/Grand Marquis.
  • Control module ground is provided through control module wire harness Pins 6 and 21, to the RH inner quarter panel sheet metal, near the control module .
---------------------------------
Weight Added When weight is added to the vehicle:
  • The air suspension height sensor (5359) length is reduced from trim length, sending a "rear is low" signal to the control module (5A919).
  • The control module then turns the compressor on by grounding the compressor relay control Circuit 420. This restores the rear of the vehicle to trim position.
    • Battery voltage is provided to the relay coil by Circuit 414.
  • The control module opens the spring solenoid valves (5311) by switching Circuits 416 and 429 to ground. This allows pressurized air to enter the springs.
    • Battery voltage is provided to the air spring solenoid valves by Circuit 414.
  • Compressed air flows from the compressor, through the compressor air dryer (5346) airlines and spring solenoid valves into the rear springs (5560).
  • As the rear springs raise the rear body height, the air suspension height sensor increases in length until the preset trim height is reached.
  • The control module then turns off the compressor (through the relay) and closes the air spring solenoid valves.
----------------------------------------------------------------------
Weight Removed When weight is removed:
  • The air suspension height sensor (5359) length is increased from the trim length, sending a "rear is high" signal to the control module (5A919).
  • The control module then opens the vent solenoid valve (located in the compressor assembly) by switching Circuit 421 to ground and opens the solenoid valves (5311) by switching Circuits 416 and 429 to ground. This restores the rear of the vehicle to trim position.
  • Compressed air flows from rear springs (5560), through the air spring solenoid valves, air lines, compressor air dryer (5346), and out the vent solenoid valve.
  • As the body lowers, the air suspension height sensor length decreases until the preset trim height is reached.
  • The control module then closes the vent and solenoid valves.
-----------------------------------------
Control module operates as follows:
  • In general the control module uses a 45-second averaging interval to determine when compress and vent operations are needed.
  • However, door courtesy lamp switch (13713) inputs can override the 45-second averaging interval so compress and vent operations can begin immediately, if needed.
  • The 45-second averaging interval is used to keep the control module from making unneeded corrections.
  • When a vehicle at the correct rear trim height hits a bump, the air suspension height sensor output will read low and high in addition to trim until the oscillations die out.
  • If the control module were to correct for these "bump induced readings", system duty cycle would increase unnecessarily.
  • The 45-second averaging interval not only eliminates corrections due to bumps, but also eliminates unneeded corrections resulting from braking, accelerating, and turning. The control module tabulates the air suspension height sensor readings, and does not begin a compress or vent operation until the air suspension height sensor (5359) reads low or high for 45 seconds consistently.
  • There are more restrictions on vent operations than there are on compress operations.
  • To eliminate the chance of catching a door on a curb as the vehicle vents down, the control module will not allow any venting to occur when a door is open.
  • The control module does not allow any vent operations for the first 45 seconds after the ignition switch (11572) has been turned to RUN.
    • Even if a vehicle is extremely high in the rear, DO NOT expect it to vent until the ignition switch has been turned to RUN for 45 seconds.

Jun 24, 2009 | 1994 Lincoln Town Car

2 Answers

VERY LOW REAR END


rear suspension ride leveler mslfunction. Check Air compressor function.

May 27, 2009 | 1992 Lincoln Town Car

1 Answer

Re: air ride suspension


if your not hearing it kick on then your probley right but i would start checking connections and fuses befor you replace it.

Mar 20, 2009 | 1996 Lincoln Town Car

1 Answer

92 lincoln towncar air bag light flashing


Air suspension is controlled by the compressor in your engine compartment.  The compressor runs when the suspension is not level.  Either because you have loaded the car with exceptional weight and the system is now adjusting the ride, or you have a leak in the system, or you have a bad sensor.
If you have a leak, the most likely culprit are the air suspension bags, the air suspension solenoids or possibly the lines to them.
Try these sites: http://www.strutmasters.com/catalog.php?cat=2

http://www.suncoreindustries.com/english-lincoln-town-car-89-06-air-suspension.html

I don't work for either of them.  I own a 96 TC and have replaced my air suspension with coil springs form Strutmasters.  Work GREAT and I have no more air suspension problems.  Rides just as good too.  You can't tell the difference.

Oct 18, 2008 | 1996 Lincoln Town Car

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