This car was made with sensors that adjust the air in the shocks to keep the car balanced when going around corners, etc. right? After my fuel pump was replaced which involved moving the gas tank, my cars back end now rides sky high. After some research I found that what may have happened is this air shock level may have gotten moved causing the car to try to balance. Where is this unit or sensor located? Can I straighten it to get my car level again?
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Re: Back end rides high!
It may not have been pluged in or the arm that goes from the contrl arm to the sensor not snap in to place . the rod snaps in to a ball and socket . if you look under the rear of the car you should see it it bolts to the fram and has a arm that goes to the lower control arm .
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There could be a couple of problems, first and easiest is the rear height sensor became disconnected from its mount. This is common because the sponsor clips on by a kinda weak spring and can be easily disconnected.also where the sensor mounts is a small round metal ball that screws onto frame and rear suspension, the balls after time wear to the point that the sensor spring cannot hold on.there's also an adjustment on the lower mount, if you move it up the vehicle will lower....then you could have a concern with the air compressor vent not allowing it to vent down to ride height. Or the vent solenoid on top of each bag stuck also not allowing it to vent..to ck it yourself, go for a short ride around the block and when you come back park on a level surface, shut off car, exit and close door....listen for an auditable click in the rear, and front left corner of car and watch the distance between rite and wheel lip, see if it drops. If it does I would be leaning towards the simple adjustment...also check thr front ride height on level surface, if you have a suspension problem on 1side of the car and it sits lower,it will throw off rear ride height. ...
It wont work because the sponginess in the air shocks is due to the compressability of air. The silicone, being a liquid, will not compress. If you've given up on the air system, why not just replace the shocks with some good gas shocks?
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.
go to napa auto parts they sell a kit that comes with springs and shock and a by pass box that plugs in to diagnostic connector for air ride so light stays off when converted, good luck. ive done many on these cars and town car.
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.
It's time to replace the rear shocks. There expensive like $250.00 and up each and if your not going to be towing, most people replace them with a good set of shocks and not the factor OEM air shock which you have for the auto ride height system. If your going to just buy and good set of normal gas shocks. Pull the fuse to the auto ride system so the light on the dash is off.
Good luck and hope this helps. The auto ride system was there for towing heavy trailers to keep the ride hight. The rear suspension is actually soft so you have a soft ride and the shock keeps it from bouncing. If your not towing heavy or carring heavy loads, you should be fine with a conventional gas shocks and you may find it better. I found the Monroe Reflex shocks to be more stable then the OEM around corners and highway driving.
On this model vehicle the rear shockers should have air bags to keep car at normal ride height, when load changes. The air bag can sometimes become caught between inner and outer tubes of shocker when car is raised and lowered quickly. You will need to jack car up from tow hitch or frame to lower rear axle, this will unfold air bag, slowly lower car, with ignition on, this will make sure air compressor is filling air bags as they take the load. Hope this is helpful, MMP