Question about 1997 Mercedes-Benz Mercedes Benz S Class Coupe

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Rear hydralic shock

Installed used rear shock dont come to proper height

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Maybe u have damaged rubbers.

Posted on Apr 17, 2010

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My 05 caddie devill rear shock is frozen in the up position


This are most likely air shocks. Is it a DTS? Those have air. They have a level indicator that tells the compressor where to stop at proper height. I would assume this is broken or sticking. If it is a regular shock, it will need replacing.

Feb 22, 2015 | 2005 Cadillac Deville

1 Answer

Rear end of car is starting to sag down.


windom51977, Sounds like you have very weak rear springs. You dont state what make or year the vehicle is but I am going to assume that it is an older model. You need to have the rear springs and shocks replaced. The springs will bring the vehicle back to its proper ride height and the shocks will keep the rear end from bouncing all over the place. You may have struts in the rear and if so then these will have to be replaced as a whole unit. After this is done have the front end checked to see if the ride height is in specs. You nay need to have some work done here as well. Good luck with this.

May 19, 2011 | Oldsmobile Cutlass Supreme Cars & Trucks

1 Answer

I have a helper spring and trauck air bags fitted. still the rear tray bounces lots every time I go over bumps - very distracting when hard driving on sandy beach. could it be old shocks? or are the...


Yes its old shocks,the purpose of the shock is to slow down and control the rapid movement of the spring . The purpose of the spring is to control your ride height. If your vehicle is sagging the spring is no longer supporting the proper ride height and is considered worn and will need replacement. As for the bumpy there are all type of shocks designed for comfort, stiff or soft,

Apr 26, 2011 | Ford F-150 Cars & Trucks

2 Answers

Im tryn to locate the air conpressor so I can rise the shocks.


usually this is located under the hood on fender wells. if nothing else start at the shock and follow air line to the pump. the system is on a self leveling switch located on rear axle which adjust to weight of car turning on the pump for proper ride height and comfort. you should determine why this system is not working. and yes usually there is a valve on the pump which allow you to manually introduce air into the system.

Jan 11, 2011 | 1994 Cadillac DeVille

1 Answer

What does the "leveling" light in the dash mean in my 2000 cadillac catera. why is it on and how do i fix it. put new rear shocks in it and now it stays on all the time.


What the leveling system is is basically a height sensor for the rear height, air shocks, an air compressor and air lines. What happens is the height sensor knows what is considered a normal ride height. When people or items are added at the rear seat or trunk the vehicle sits lower. The air compressor will turn on and attempt to pump up the air shocks to raise the height to normal again so the rear end doesn't bottom out.

What can happen is the compressor fails to turn on due to a blown fuse, faulty compressor or defective height sensor. If the compressor turns on the shocks might not be able to pump up due to a line leak or air shock leak.

If you are able to look at the lines or shocks you might find a problem. Otherwise going to your mechanic and have him/her inspect the system to see what the problem might be and then deside if you want to fix it or have them do the repair. Because the light turns on periodically and goes out I would suspect a leak somewhere.

Sep 05, 2010 | 2000 Cadillac Catera

1 Answer

I have a 1994 lincoln continental car. Hoe do I replace the suspention drier?


why do you want to replace it? As air is exhausted through it, it dires it out for the next use. it's part of compressor assembly.

1996 cont'l The air suspension system includes the following major components:
  • Air compressor to supply air to the air springs (part of front spring and shock and rear spring and shock absorber assemblies
  • Front spring and shock (3C098) and rear spring and shock absorber (5A965) at each corner of the vehicle
  • Four linear air suspension height sensors (5359): two rear and two front height sensors to maintain the vehicle at the proper ride height; only LH rear height sensor is used for air suspension.
  • Dual-mode front spring and shock and rear shock absorber assemblies with internal actuator.
All system functions are controlled by vehicle dynamics control module (5A919). This control module receives inputs from several different sources. These inputs include:
  • vehicle speed via multiplex communication network
  • ignition switch position
  • door position via multiplex communication network
  • height sensor position
  • air suspension service switch
  • engine rpm via multiplex communication network
  • ride and steering personality settings via multiplex communications network
Communications monitor system operation and allow diagnosis of any concerns that may develop in the system. System monitoring for the driver's use is provided through the instrument panel mounted message center indicator (10D898).
  • Diagnosis communication for the service technician is provided through the data link connector (14489) (DLC) under the instrument panel and Rotunda New Generation Star (NGS) Tester 007-00500 or equivalent.
The message center indicator will display AIR LEVELING DISABLED or CHECK RIDE CONTROL if the suspension system is not turned on or the vehicle dynamics control module detects a concern. If air leveling system disabled is displayed, check that air suspension service switch is in the ON position.
----------------------------------------------------------
Solenoid Valve Vent The vent solenoid valve operates as follows:
  • The vent solenoid valve allows air to escape from the system during venting corrections.
  • The valve is located in the air compressor cylinder head and shares a common electrical connector with the motor.
  • The valve is enclosed in the cylinder head casting, which forms an integral valve housing that allows the valve tip to enter the pressurized side of the system.
  • Air leakage past the valve tip is prevented by an O-ring seal.
  • The vent solenoid valve opens when a corner of the vehicle is high and the vehicle dynamics control module (5A919) determines lowering is required.
  • When the vent solenoid valve is opened, it provides an escape route for pressurized air.
  • However, the vehicle will not lower unless the air spring solenoid valves (5311) are also opened to allow air to leave the springs.
  • Lowering the vehicle corners requires the vehicle dynamics control module to open two solenoid valves, the vent and one air spring solenoid.
  • Air is exhausted from the spring and vents through the compressor air drier (5346).
---------------------------------------------------------------------------------------------
Section 04-05: Suspension, Computer Controlled 1996 Continental Workshop Manual
REMOVAL AND INSTALLATION Air Compressor and Drier Assembly Removal
  1. Turn air suspension service switch OFF.
  1. Disconnect electrical connector located on the air compressor.
  1. Disconnect two air lines from compressor air drier.
  1. Remove three fasteners retaining air compressor and drier assembly to radiator support, frame rail and fender apron.

Dec 22, 2009 | 1994 Lincoln Continental

1 Answer

What calls tha rear eand to sag


I'm sure its a ride control problem, bad shocks shouldn't affect ride height that much.

Aug 16, 2009 | 1983 Cadillac DeVille

1 Answer

Rear shock replacements on '03 G. Cherokee results in "firm" ride. If shocks needs to be replaced, please advise.


Its likely that you got so used to the soft ride you had with old worn shocks that the new ones feel strange. You could buy a more inexpensive shock to restore that "old" feeling, but I don't think you really want that. One thing you should do though is to make sure by having a couple of people bounce the rear, that the shocks are not binding or are too long and bottoming out part way through the suspension travel. There is a part # stamped into the bottom of the shock just above the weld ...double check that part number to make sure you have the correct ones. Also check the standing height of the back end (compare the height of yours with others you find in parking lots...I have a 93, which measures 171/2" from center of rear wheel hub to edge of wheel flair.)
If standing height is too low, shocks are not working at the center of travel but at the lower part. (likely you would have noticed this more with the old shocks though). Additionally, there are adjustable shocks available that you can "tune" to your comfort level...they usually have three settings ...you choose the one that suits you best.
Hope something I said will give you a cure or an understandable reason for what you are feeling.
Don't forget though that a Jeep is essentially a small truck, as such, it's going to ride like one!

Apr 20, 2009 | Jeep Grand Cherokee Cars & Trucks

2 Answers

Rear shock height


Whats the xact height of the normal shocks? If it not right, you got the wrong shocks installed..dont believe what anyone else says..

Jul 13, 2008 | 1991 Mercedes-Benz 560

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