Question about 2000 Ford Expedition

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1997 expedition 2 wheel drive air suspension problem

Air suspension doesnot deflate -- replaced compressor still doesnot bleed off air. what needs replacement?

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  • Anonymous Nov 20, 2008

    I have 2000 Edie Bauer, the rear suspension bags will inflate but later in the day when vehicle is off the rear drops all the way down.

  • Anonymous Nov 23, 2008

    My suspension is gone completely out I think. It doesn't go up anymore, I hate it. Anyway, I just want to trash the whole truck and start over!! I need some GOOD advice, what should I do?

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  • Ford Master
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There are ride height sensors in the rear that send a signal to the ride height/load leveling control module, one of these ,may be defective. Have Ford dealer run an active test of the system, they will find out what the part is that has failed, otherwise you are guessing, that equals wasted $$$

Posted on Nov 04, 2008

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2000 lincoln navigator air suspension will not deflate


There is a Master deflate valve that is usually mounted on the drivers side under the front fender wheel well. That is if your compressor is not turning off.

The dump valve gets a signal when a door opens to lower the car for loading or unloading.

With electric work being what it is, a really good diagnostic machine can plug into your air controlled ride system and quickly and accurately spot the bad part.

It is cheaper to buy 1 correct part than several wrong part guesses.

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Can you drive the vehicle when the rear suspension leveler is not working.


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How to replace height sensor on 1999 ford expedition


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Mar 05, 2015 | 1999 Ford Expedition

4 Answers

I had the air sunspension bag on the rear passenger side replaced but the vehichle is still not level when parked. Is there some way to ensure that the bag inflates and deflates at the same level?


After replacing an air suspension bag on your 98 expedition you must recalibrate the air suspension system. this has to be done at a ford dealer

Mar 31, 2010 | 1998 Ford Expedition

1 Answer

How do you replace the front brake caliber on a 1997 ford expedition


Caliper Removal
  1. svj~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not use heat to loosen a seized lug nut . Heat can damage the wheel and the wheel bearings.
    Loosen the lug nuts.
    1. Remove the center cap.
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      1. svj~us~en~file=ani_caut.gif~gen~ref.gif WARNING: THE ELECTRICAL POWER TO 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 RH KICK PANEL AREA. 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.
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      2. CAUTION: Replace the lining if worn to or past specifications. Replace the brake shoes and linings in complete axle sets. Inspect the brake shoes and linings for wear or contamination.
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Mar 10, 2010 | 1997 Ford Expedition

1 Answer

The rear suspension is down on my 1999 Ford Expedition - Eddie Bauer. The cause: while out in the woods I came across a small dip which cause my back left wheel to lift off the ground. The suspension...


I had a 1999 Expedition. When you put the 4x4 on it raises the vehicle an extra inch or 2.
It may help to turn the 4x4 off. Two wheel drive is a lower air setting.
Your original pump may still be good. The problem can be in the front. The compressor is not filling the front suspension to the cutoff point. It will lift the rear after the front end is at running height. Since you lost the front end first, the remaining air bled out there and then the rear came down. Once you shut down the car the suspension was done, all the air was let go.
There are adjustment solenoids on the body but you need someone qualified to repair this.

Sep 05, 2009 | 1999 Ford Expedition

2 Answers

99 expedition two wheel drive passenger side goes up higher than the drivers side.uneven ride! whats a ride height sensor?


height sensor is a sensor that control air compressor on air shock.it keep vechicle level.if height sensor senses distance between frame and suspension .it will admit air to shock by controling the air compressor.check the air shock on driver side.BESURE TO TURN OFF ELECTRICAL POWER TO AIR SUSPENSION BEFORE RAISING VECHICLE.

Jul 10, 2009 | 2000 Ford Expedition

1 Answer

EXPEDITION REAR AIR RIDE PROBLEM


do you have just rear air suspension? here's rear only. 4 wheel different. Deler an run a diagnostic test with WDS machine and get fault codes.
-------------------------------------------------------------------------------------
The air suspension system is designed to improve ride, handling and general vehicle performance for static, on-road and off-road driving conditions:
  • Ride is improved by using an air type spring (the soft ride is inherent).
  • Handling is improved by maintaining constant vehicle attitude.
The system consists of unique rear air springs, the air compressor, air lines, air spring solenoids, height sensor, air suspension control module, attachments and associated signals derived from both driver and road inputs. With these components and signals, the air suspension control module commands changes in vehicle height that are necessary for the load leveling features.
The load leveling feature rear air suspension (RAS) systems shall automatically make adjustments in vehicle height so that the vehicle is always at trim height and constant front-to-rear vehicle attitudes are maintained over the expected load range of the vehicle. Adjustments in height that are necessary to correct height differences between the vehicle's left and right sides for the RAS system shall be restricted to what can be reliably achieved with one air suspension height sensor.
The system uses one air suspension height sensor, a steering sensor, generic electronic module (GEM) and other vehicle sensors to measure driver and road inputs. The system changes vehicle height using an air compressor, two air lines and the use of air springs with air spring solenoids.
The air suspension system holds vehicle height when the rear hatch or any door is opened. The system stores rear vehicle height the moment any open door is detected. The system then maintains this height regardless of the addition or removal of a load. The system will return to its commanded height when all doors are closed or the vehicle speed exceeds 16 km/h (10 mph).
----------------------------------------------------------------------------------------
Air Suspension Height Sensor
One air suspension height sensor is mounted on the vehicle. The air suspension height sensor sends a voltage signal to the air suspension control module. The output ranges from approximately 4.75 volts at minimum height (when the vehicle is low or in full jounce), to 0.25 volts at maximum height (when the vehicle is high or in full rebound). The air suspension height sensor has a useable range of 80 mm (3.2 in) compared to total suspension travel of 200-250 mm (8 to 10 in) at the wheel. Therefore, the air suspension height sensor is mounted to the suspension at a point where full rear suspension travel at the wheel is relative to 80 mm (3.2 in) of travel at the air suspension height sensor. The air suspension height sensor is attached between the No. 5 frame crossmember (upper socket) and the panhard rod (lower socket).
When the air suspension height sensor indicates that the rear of the vehicle is lower than trim under normal driving conditions, the air compressor will turn on and pump compressed air to the air springs. When the sensor indicates that the rear of the vehicle is raised above trim under normal driving conditions, this will cause the air to be vented from the air springs to lower the vehicle back to its trim height level
------------------------------------------------------------------------------
  • Uneven vehicle height
  • Circuitry.
  • Rear pneumatic fault.
  • Air compressor assembly.
  • Air suspension control module.
  • Go To Pinpoint Test I .

Feb 21, 2009 | 2001 Ford Expedition

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