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How to adjust air ride sensor - 2000 Cadillac DeVille

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Threre is no adjustments check and make sure all linkages are all intacted. thay do break !!

Posted on May 23, 2011

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I installed new air suspension bags on the rear. Now the back of the car sits up to high. Can you adjust the air ride sensor to correct this


There is no adjustment. Make sure the sensor is installed correctly. Maybe it came unhooked during the air spring replacement. The sensor snaps onto ball fittings. Also make sure the sensor is still connected properly to the electrical connector. If you can't get it to work, you may need to replace the sensor. Let me know if you have more questions.

Nov 26, 2010 | 1995 Mercury Grand Marquis

2 Answers

Lift sensor for rear of 1988 Deville


To begin with, check the "ride level" fuse and make sure that the ride level compressor does work, and you should be able to hear that the ride level compressor is working when the ride level system is leveling the vehicle.

The ride level system uses an air compressor and either an air type of shocks or a type of air billow to raise and lower the vehicle, there is an adjustment to set the ride height and it is located under the vehicle and there is a control lever or rod that should be connected between the rear axle and a switch that is mounted on the body of the vehicle, and there will be an adjustment slot in the control lever between the switch and the body, and that is how you would adjust the ride level height, but be sure that the vehicle can not drop any further down if someone is under the vehicle trying to adjust the ride height.

However, you might find that the control lever to the ride level has fallen off from the switch on the body or it has come loose from the rear axle, and it is just hanging there not operating the switch on the body that controls the the ride level compressor, or there might be a blown out air shock or billow, or you might find that an air line from the compressor is leaking and the ride level compressor will just run continuously until it blows out the fuse, and if that is the case you might also find out that the air compressor has burned out from running continuously.

I hope that this information will help you to solve your ride level problem.

Jun 04, 2010 | 1988 Cadillac Sedan DeVille

1 Answer

What does it mean when the Service Ride Control light comes on, on a 2005 Cadillac Escalade?


THERES A PROBLEM WITH THE AIR RIDE, THE AIR BAGS,,,,,,,, CHECK UNDER FOR DEFECTS OR OUT OD ADJUSTMENT, MOST OF THE TIME YOU DONT RELIAZE BUT PEOPLE RUN OVER STUFF ON THE ROAD AND DAMAGE A PART OR THE LEVELING SENSOR

Jan 22, 2010 | 2005 Cadillac Escalade Ext

2 Answers

I have a 95 Lincoln Continental, the back end was way too high so I released the air in the bags. Now the only problem is that the pump can't lift up the car. Is there any ways to get air into the system...


located on the air suspension pump, there is a air fitting on top which you can inflate with an air hose, start the car and when the pump comes on, add air......it should stop pumping when the ride height sensor gets to the adjusted height....hope this helps....GL

Jul 08, 2009 | 1986 Lincoln Continental

2 Answers

2003 NAVIGATOR AIR RIDE STOPPED WORKING,PUMP CHECKED OK.


The navi has leveling sensors on both axles that are switches and are adjustable. Most likely these are out of calibration. DO NOT attempt to move or adjust these with the vehicle on jack stands. Vehicle could shift and fall resulting in serious injury.

May 19, 2009 | 2003 Lincoln Navigator

1 Answer

Hard ride in rear 04 towncar


It looks almost like a little shock absorber and it is located above the rear differential. 

the ride height  is adjustable by adding or reducing the amount of air in the tires, ergo, any damage would occur in the tires, not the car. 

Mar 30, 2009 | 2004 Lincoln Town Car

1 Answer

Hard riding in rear


there is a sensor that reads the ride height of the car, it is called the ride height sensor, have it tested, it may be defective or not hooked up, the linkage comes off this sensor on a regular basis.

Mar 30, 2009 | 2004 Lincoln Town Car

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.
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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

1 Answer

Air ride wont go down in the rear


first i would look under the rear of the car and you will see a ride sensor with a little arm
this tells the pump when to run either the arm broke came out of adjustment or the sensor is bad.

Nov 12, 2008 | 1997 Lincoln Continental

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