Question about 2004 Lincoln Navigator

3 Answers

Front air suspension stopped working on my 2004 lincoln navigator. i replace the relay still doent work. Is there someway to reset the system

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3 Answers

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  • Lincoln Master
  • 4,369 Answers

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
-----------------------------------------------------------
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)

  1. If the inspection reveals an obvious concern that can be readily repaired, correct the concern before continuing with Inspection and Verification.
  1. If the concern remains after the inspection, use the scan tool connected to the data link connector (DLC) to retrieve continuous diagnostic trouble codes (DTCs) and to execute On-Demand Self-Test diagnostics for the 4WAS module.
    • If the On-Demand Self-Test is passed and no DTCs are retrieved, GO to Symptom Chart to continue diagnostics.
    • If DTCs are retrieved, go to the 4WAS Module Diagnostic Trouble Code (DTC) Index in this section.
    • If the 4WAS module cannot be accessed by the scan tool, Go To Pinpoint Test A .
------------------------------------------

Posted on Aug 05, 2010

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  • Lincoln Expert
  • 43 Answers

The mid-2000s Navigators and Expeditions had some really poor quality air suspensions. At this point you're just going to keep throwing money at repairs if you try to keep that air suspension alive. Lots of people who own the Navis or Expos just convert them to standard coils. Comparable ride and will outlast the car itself.

Posted on Oct 05, 2017

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  • Contributor
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I have a 02 lincoln continental some one replaced the two front struts with non-electronic ones,so the sir system wont fill the two rear shocks and bags,is there a way i can trick the module or manually open the Air Suspension Solenoid to allow me to fill them please email me at mikebrewer418@yahoo.com

Posted on Nov 20, 2012

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Posted on Jan 02, 2017

johnny5846
  • 379 Answers

SOURCE: owners manual ?

"looking 4 da relay"
there is a solid state relay for the air suspension system , it is next to or near the air suspension pump located at right front of engine compartment ( relay has a 4 wire connector , colors grey/red , light blue/pink , light green/red , and a dark blue/yellow , also behide the right interior kick panel is a fuse area , 3 fuses are involved with this circuit , fuse #111 - a 50 amp fuse , fuse #27 a 5 amp fuse , and fuse #20 a 30 amp fuse , and don't forget the air suspension service on/off switch . if your not 100% happy with my answer , tell me what i can do to help .

free owners manual ?, best i can say is try ebay , here is several available on ebay.

ebay 03 lincoln navagator owners manuals

J5


Posted on Jan 23, 2009

  • 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

  • 1 Answer

SOURCE: 2004 lincoln navigator, check air

Check your Suspension relay under you front bumper on the passenger side most of the time it get loose or just corroded from the weather (snow , Water)... clean it up and put dielectric grease in it

Posted on Sep 24, 2008

  • 4369 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

  • 507 Answers

SOURCE: 2004 lincoln navigator air suspension my truck is lowered from th

could be faulty compressor which pumps up the suspension,is it leaking from anywhere,causing the pump to work too hard,has it just packed up,check fuses but probably compressor

Posted on Oct 26, 2009

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2 Answers

2004 Lincoln navigator air suspension all the way down front and back if I was to jump the relay to turn compressor on should the truck start raising up unless compressor not pumping or a leak


no it wont. the air suspension works as a complete system. each air spring has an electric solenoid, each corner has an electric height sensor and then the compressor itself. just energizing the compressor will not open the solenoids or sensors both of which are needed to raise the vehicle. what is probably happening is a failure in the computing system for the suspension system. expensive to repair.

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Usually between the frame and the rear axles. A lever type device, should be fairly easy to locate. Check that the compressor is building air pressure and storage tank. Air bags not leaking and etc.

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Okay the switch is in the back trunk area(I know it a SUV) in the back where you access the jacking tool youll see the switch make sure its on. Now some Navigator some have a shrader valve to pump up the suspension on the front area on driver side. As for the relay you might have to use a enhance scan tool to command it.By the way do you have a misfire?because if there is a misfire it will not inflate or a ABS light on? thse will also cause the suspension to not inflate

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Replace the air suspension with conventional shock/strut
conversions. The Air Ride System is not worth investing
time and money ,after the vehicle is 5 years old.
Too expensive to maintain ,and too difficult to diagnose

Next time buy the Ford version of the vehicle

Jan 23, 2011 | 2004 Lincoln Navigator

1 Answer

Owners manual ?


"looking 4 da relay"
there is a solid state relay for the air suspension system , it is next to or near the air suspension pump located at right front of engine compartment ( relay has a 4 wire connector , colors grey/red , light blue/pink , light green/red , and a dark blue/yellow , also behide the right interior kick panel is a fuse area , 3 fuses are involved with this circuit , fuse #111 - a 50 amp fuse , fuse #27 a 5 amp fuse , and fuse #20 a 30 amp fuse , and don't forget the air suspension service on/off switch . if your not 100% happy with my answer , tell me what i can do to help .

free owners manual ?, best i can say is try ebay , here is several available on ebay.

ebay 03 lincoln navagator owners manuals

J5


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2004 lincoln navigator, check air suspension light comes on and the air suspension doesn't work @ all.


Check your Suspension relay under you front bumper on the passenger side most of the time it get loose or just corroded from the weather (snow , Water)... clean it up and put dielectric grease in it

Aug 24, 2008 | 2003 Lincoln Navigator

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