Question about 1989 Buick Park Avenue

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Having a problem with the air shock air leveler.what is the best way to check it? Could it be a fuse problem?

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Check fuses/wirening .switch

Posted on Mar 12, 2011

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1 Answer

Rear self leveling shocks on 2000 Buick Lesabre no air appears to be filling the shocks


You need to check a few things. Do you ever hear the air compressor at the rear of the vehicle running?
If so, does it run continuously with the ignition on? (that will mean there is usually an air leak either in one of the rear shocks or the air lines/connectors).
If not, either the compressor, or the compressor relay, level switch and/or the fuse may be shot and each will have to be checked.

Dec 18, 2017 | Buick Cars & Trucks

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1989 deville load level compressor runs for 3 seconds then stops after turning ignition switch on


Check and make sure that the level control lever that goes to your shocks was reconnected. Might have been overlooked....Hope this helps.

Mar 30, 2014 | 1989 Cadillac Sedan DeVille

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Can't find the relay switch location for air ride rear suspension for my 1993 buick riviera?


Did you check the fuse? Not only check the fuse, check voltage on fuse circuit , goes hot with key on. The bottom info should be for relay center location.
suspension fuse-ah4hlr42fk2bjlxp04hurvgv-1-0.jpg

relay center-ah4hlr42fk2bjlxp04hurvgv-1-2.jpg

May 13, 2017 | 1993 Buick Riviera

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Automatic level control doesn't work


Lots of possibilities here. The vehicle uses a form of 'air-shocks' meaning there is a compressor that pumps air into the shock. There is also a level-detect function somewhere. I would begin by checking to see if the fuse for the compressor is blown. Once you can get the compressor running, check for air leaks that might have caused the compressor to blow the fuse (running too long, etc). The level-detection is usually pretty primative meaning it should be reliable.

Jun 19, 2012 | 2007 Chevrolet Tahoe

1 Answer

Problems with rear air shock auto leveler.


Hello,

Assuming you did replace with the same type of air-shock, it may seem simple, however ensure the hoses are reconnected and air tight. Spray soapy water on the air lines to check for leaks (you'll need to adjust the load to ensure pump function).
Speaking of pump function; check your pump by turning the key to ON. Wait 30 seconds and you should hear the air pump running under the right rear of the car (under the trunk next to the subframe).
If you can not hear the pump running, then check all fuses. If fuses are good and pump does not run, then it may be time for a replacement pump.

I hope this helps.

Jan 08, 2018 | 2001 Buick LeSabre

1 Answer

Load levelers must be leaking, the air pump is running


No, you may want to replace the shocks though. You can leave the leveler disconnected and replace your shocks with regular shocks.

Jun 05, 2010 | 2002 Buick LeSabre

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

Put new shocks on, now car is not leveling out 2001 cadillac dhs


did you re hook the air leveling hoses to the new shocks
are they the right shocks
if so check the airpump on the engine to see if it is working
also check the fuses / and the leveling sensor

Mar 08, 2010 | 2001 Cadillac DeVille

2 Answers

"check ride control" /suspension problems?


That is an indication that your air shocks at the rear needs to be replaced or there is a sensor that may have gone bad, event the air pump mey not be working. Most owners replace the more expensive air shocks with good conventional shocks like Monroe Reflex Shocks if there not towing heavy trailers. You can have the conventional shocks installed and have the ride control system deactivated. First check your fuse just t make sure the fuse to the air compressor has not gone bad, and the air ride leveling sensor, wire harness has not been damaged due to corrosion. 

Jul 02, 2009 | 2003 GMC Yukon Denali

3 Answers

2004 yukon xl denali self-leveling rear air shocks


There's a lever that connects the driver-side rear shock to the Automatic Level Control module (the air compressor and the ride-height sensor). Disconnect the lever from the shock and rotate it up and hold it. The compressor should kick in when you hold in place after a few seconds. If it doesn't kick in, make sure your fuses and relays are good. Otherwise, you may have a failed ALC module/burned out air compressor (from the shocks being shot). After you replace the shocks (and after you recouped from the heart attack you had when you shelled out $500+ for each shock), replace the ALC module/compressor (it's all one unit), and test it - it should kick on when you rotate the lever up again.

Figure about $350 for the ALC module from your dealer, and make sure the part numbers match! Your truck came with an upgraded ALC module from the 2001-2004 module, which were prone to water damage.

Good luck!

Aug 28, 2008 | 2005 GMC Yukon Xl Denali

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