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The air suspension on our 2000 Lincoln navigator seems not to be working right how can we find out what is causing this can we still drive it with this going on?

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Claude Kayser

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  • Lincoln Master
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Ford Air Ride Rear Suspension Down Diagnosis & Fix ...

? 9:57
https://www.youtube.com/watch?v=wfh7n17hvN8
Feb 24, 2014 - Uploaded by FordTechMakuloco
Ford Air Ride Rear Suspension Down Diagnosis & Fix ... why theair ride compressor is not turning on and pumping up the air ridesuspension on your truck. ... Ford Expedition & Lincoln Navigator Air Ride C1725 Common Faults ... 2000 Ford Expedition - Replacing the rear shocks with load leveling shocks ...

2003 Lincoln Navigator air suspension fix(3) - YouTube

? 3:41
https://www.youtube.com/watch?v=MhWlcYycny4

Posted on Dec 25, 2015

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5 Related Answers

gerry bissi

  • 4388 Answers

SOURCE: lincoln navigator air suspension is all the way down

that should not happen. Did you turn the switch off in the back for the suspension? Did you do something else at the same time, like check the spare tire for air pressure?

I have info on 2003 navigator 4 wheel air suspension. Maybe similar

SECTION 204-05: Vehicle Dynamic Suspension — 4-Wheel 2003 Expedition/Navigator Workshop Manual
DESCRIPTION AND OPERATION Vehicle Dynamic Suspension The four wheel air suspension system is comprised of the following components:

  • service switch
  • control module
  • two front height sensors
  • one rear height sensor
  • compressor and drier assembly (includes vent solenoid)
  • air lines
  • front and rear air spring and shock absorber assemblies
  • four air spring solenoids
WARNING: The service switch for the air suspension system must be shut off prior to hoisting, jacking or towing an air suspension vehicle. This can be accomplished by turning off the air suspension switch located in the jack storage area in the rear of the passenger compartment. Failure to do so may result in unexpected inflation or deflation of the air springs which may result in shifting of the vehicle during these operations.

WARNING: Do not remove an air spring under any circumstances when there is pressure in the air spring. Do not remove any components supporting an air spring without either exhausting the air or providing support for the air spring to prevent vehicle damage or personal injury.

Air Suspension Pneumatic Diagram 801e0c4.gif
Item Part Number Description 1 5319 Air compressor and drier 2 5B322 Air line T-fitting 3 5B321 Air line union 4 — Air line Y-fitting 5 18945/5311 Air spring and solenoid
------------------------------
Principles of Operation
The 4-wheel air suspension (4WAS) module commands changes in vehicle height that are necessary for both the load leveling and the vertical height adjustment features.
The 4WAS load leveling feature automatically makes adjustments in vehicle height so that the vehicle is always at trim height, and that constant front-to-rear vehicle attitudes are maintained over the load range of the vehicle. Adjustments in height that are necessary to correct height differences between the vehicle left and right sides for the 4WAS system are restricted to what can be reliably achieved with three height sensors.
The height adjustment feature has three vehicle heights within a two-inch span:
Kneel height — improves the ease of entering and exiting by lowering the vehicle one inch below the trim height in the front and rear when the vehicle ignition is in the OFF or LOCK positions and the vehicle is stationary.
Trim height — normal vehicle ride position; vehicle moves to trim position when the ignition is ON, when the transmission is initially shifted to DRIVE or REVERSE mode, when all doors are closed or when speed of more than 24 km/h (15 mph) is detected.
Off-road height — improves ground clearance by raising the vehicle one inch above trim height in the front and rear when the vehicle is at 4x4 low modes and the vehicle speed is less than 40 km/h (25 mph).
The 4WAS module uses the universal bus protocol, (UBP), module communications network for sending and receiving various signals with the exception of speed, information from the three height sensors, and the air suspension service switch. For additional information about UBP, refer to Section 418-00 .
The 4WAS system holds vehicle height when any door or rear hatch is opened. The system stores front and rear vehicle height the moment any door is detected open. The system then maintains this height regardless of the addition or removal of a load. The system returns to its commanded height when all doors are closed or vehicle speed exceeds 24 km/h (15 mph).

-------------------------------
Air Suspension Service Switch
The air suspension service switch signal is needed to wake up the 4WAS module. Without the module receiving this signal, the 4WAS system is inoperative at speeds below 24 km/h (15 mph) and will not react when the vehicle is raised or lowered. At speeds above 24 km/h (15 mph), the system will be active as if the air suspension service switch is in the ON position.
Vehicles without message center When the air suspension service switch is in the OFF position and the ignition switch is in the RUN position, a "CHECK SUSP" will appear in the RH corner of the instrument cluster.
Vehicles with message center When the air suspension service switch is in the OFF position and the ignition switch is in the RUN position, the message center will display "SUSPENSION SWITCHED OFF"
-------------------------------------------
Inspection and Verification
  1. Verify the customer concern.
  1. NOTE: If the door ajar indicator is illuminated when all doors, liftgate, and liftgate glass are closed, the air suspension will not work correctly. Repair door ajar indicator; refer to Section 413-01 .
    Visually inspect for obvious signs of mechanical and electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Restricted suspension movement
  • Excessive vehicle load
  • Cut, severed, crimped air line(s)
  • Unmounted height sensor(s)
  • Damaged front air spring(s)
  • Damaged rear air spring(s)
  • Battery junction box (BJB) fuses 20 (30A), fuse 27 (5A), and fuse 111 (50A)
  • Loose, corroded, or disconnected connectors
  • Air suspension service switch is in the OFF position
  • Damaged solenoid valve(s)

-------------------------
I fthis does not help, the dealer can hook up his diagnostic equipment and download fault codes. Good luck. Please give best rating if this helps.

Posted on Apr 20, 2009

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chuck943

Chuck Martin

  • 783 Answers

SOURCE: 2001 lincoln navigator rear suspension?

Here is how to tell if system is working.Get into the vehicle and close door. Set ignition switch to on position and move the gear shifter to neutral. After a few secs. you should hear the compressor turn on. If it comes on then put shifter back to park leave ignition on and exit vehicle. Compressor will stop when you open the door but should start back up in a couple of secs. after you close the door. You can then walk around the vehicle and listen for leaks.
If compressor does not come on there are 3 fuses and a solid state relay that controls it along with the module.
The 3 fuses are no. 109(50amp) in the battery junction box under hood.This is the direct feed to compressor thru the solid state relay. The other 2 fuses are located in the interior fuse panel and they are no. 6 (5amp) and no. 12(15amp).
What we usually see though if compressor does not run is either a bad compressor or the solid state relay. They both are rather expensive so I would have an experience tech look at it then.
However If you feel confident enough and have a voltmeter or test light respond back and I will tell you which wires to check.

Posted on Mar 12, 2009

Anonymous

  • 1 Answer

SOURCE: 2004 lincoln navigator, check air

which fuse runs the air suspension

Posted on Nov 11, 2008

Anonymous

  • 740 Answers

SOURCE: 2000 lincoln Navigator air suspension

There are level control sensors they look like little arms (with joints like your elbows) mountesd on lower control arms. They may be at fault they control the height and turn the pump off when the height is reached. try adjust height first before you replace, they can be adjusted. Good Luck

Posted on Dec 17, 2008

Anonymous

  • 58 Answers

SOURCE: 2003 Lincoln Navigator air suspension

I would recommend going to strutmasters.com and taking a look at our conversion kits. these convert you from the airbag to a powder coated American made steel coil spring that is guaranteed to last the life of the car. Airbags and compressors are constantly having to be replaced. Also something alot of people don't know is that theses air suspensions are not meant to be in temperatures above 90 Degrees or below 40 Degrees. That is most of the world. The temperature will cause you to replace alot of bags. and typically when your replacing a bag you are going to have to replace the compressor to because the bag had a hole or small crack in it causing the compressor to over work and it will die. I posted the link below so you can take a look http://www.strutmasters.com/lincoln-suspension-parts-s/1.htm I hope I was of some help Good Luck!!!

Posted on May 06, 2009

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2 Answers

2008 navigator, which has had a slow leak for a while...back would be low if it sat unused for more than a day. It would air up and then be ok and hold. Last week, started not holding air.


It is a brisk market... (AIR-BAGS)...

I am going to post ROCKAUTO EXAMPLES...

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I HATE to say it... but there are other reasons
for air-loss failure... and if you can stop by the
VARIETY store and buy some BUBBLE solution
or put soap into a spray bottle...

System AIR LEAKS should be pretty easy to find.

Amazon com Gazillion 2 Liters Bubble Solution Toys Games

air bag
Amazon com A1 Cardone 4J 1014A Remanufactured Suspension Air Spring...

REPAIR UNION
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REPAIR DATA
More Information for DORMAN 949210

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Jul 10, 2017 | Lincoln Navigator Cars & Trucks

1 Answer

Rear air suspension doesn't inflate everytime vehicle is started


My Buick had this problem and we found the pump was worn out. It just would not blow up when trying to run. They wanted a lot of money to replace it and the shocks.so I bought a kit that the air line hooks underneath the license plate Now about once every three months I use my air compressor to pump it up. My old air shocks lost air all the time. My new air shocks stay blowed up for over three months.

May 31, 2017 | Lincoln Navigator Cars & Trucks

1 Answer

2000 lincoln navigator air ride diagram


why would air suspension run often during ride

Feb 22, 2013 | Kia Cars & Trucks

1 Answer

My Lincoln Navigator air suspension went flat after we replaced all four tires, it won't air back up...please help!!!


AIR COIL SPRINGS WILL DEFLATE AND BE DAMAGED IF YOU DID NOT TURN OFF AIR SUSPENSION SYSTEM BEFORE RAISING VECHICLE AND CHANGE TIRES IF YOU DONT TURN OFF AIR SUSPENSION IT WILL CAUSE AIR SPRINGS TO OVER INFLATE CAUSE AIR SPRING SPRING DAMAGE.

Oct 16, 2011 | 2004 Lincoln Navigator

2 Answers

2000 navigator: sit higher on one side than the other.


the air ride suspension has level sensors under the vehicle, one of the sensors must be bad making the truck deflate the airbag or inflate it too much. you may need to have someone with a scan tool to access the air suspension module and check for fault codes. you can try turning the air suspension switch off for about an hour to see if the system will reset. the switch is located under the dash on the right side kick panel.

Aug 03, 2011 | 2000 Lincoln Navigator

1 Answer

Air suspension


In the Passenger Compartment Fuse Panel (below and to the left pf the steering sheel by the brake pedal), remove the panel cover t access the fuses and check the position 20, 5AMP for AIR SUSPENSION MODULE...

3edba24.jpg

This and other details canfind in the Navigator-Owner-s-Manual

Hope this help (remember comment and rated this).

Apr 29, 2010 | 2000 Lincoln Navigator

2 Answers

REAR AIR SHOCKS


First, you may have leaks in your bags, causing your suspension to drop. The other possibility is that your rear suspension level sensor is faulty, causing the suspension to readjust itself incorrectly.

Jul 24, 2009 | 2000 Lincoln Navigator

1 Answer

2000 lincoln Navigator air suspension


There are level control sensors they look like little arms (with joints like your elbows) mountesd on lower control arms. They may be at fault they control the height and turn the pump off when the height is reached. try adjust height first before you replace, they can be adjusted. Good Luck

Dec 17, 2008 | 2000 Lincoln Navigator

1 Answer

2000 Lincoln navigator air suspension


The air chambers are worn out and this has caused a heavy load on the compressor, causing IT to become loud. The relay could be oxidized from excessive runtime...accordianman

Dec 15, 2008 | 2004 Lincoln Navigator

1 Answer

2001 Lincoln Navigator


you can replace the bags. with springs from a navigator that did not come with air ride. a salvage yard should help you out. good luck

Nov 23, 2008 | 2000 Lincoln Navigator

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