Question about 2001 Ford Expedition

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Intermittent sagging of the rear, it started on one side then both.

Is this the valves or do you suspect an air leak. Compressor will lift the truck but is seems its still running too much.

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Pls your your question is not understandable,come again

Posted on May 09, 2014

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Posted on Jan 02, 2017

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SOURCE: Rear suspension on 1998 Ford EXP wont raise

More than likely you have an inner leak in one of the strut assem. in rear.

Posted on Jun 17, 2009

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SOURCE: Air Ride Suspension Issues for a 1999 For Expedition 5.4L

I just experience problem with a leak in one of the bags in the back n because i didn’t have the money then to take care of the problem my air compressor burned. I just recently changed the bag and I found it at this website for $160 and the compressor is $210 + shipping. They r a manufactor so what they do they sell u refurnish parts that r as good as new and cheap. U purchase the item and sent them the broken item back n they give u a credit of $50. I made both purchase an air bag n the compressor n so far everything is working fine. The air bag is super easy to change but the air compressor its a little more complicated. The website is http://www.suncoreindustries.com/ and they even sent u the instructions on how to do it urself. Hope this was helpful!

Posted on Jul 19, 2009

  • 5 Answers

SOURCE: 1997 ford expedition sagging in the rear

leaf springs

Posted on Aug 22, 2009

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SOURCE: The rear suspension is down on my 1999 Ford

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.

Posted on Sep 06, 2009

prostreet 55
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weather stripping around glass, have to keep it soft with Vaseline or protectorate for rubber to keep seal, u may have to replace if its weathered, always a problem on sunroofs t tops etc..

Posted on Mar 24, 2011

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2001 ford expedition rear air suspension problems, 5.4 automatic,


check the ride height air valves as I suspect that there may be a problem there . When parked the valves will be sealing off correctly but when in use as in driving the constant variations may be letting more air out than the valve will be letting in to maintain ride height

May 09, 2014 | Cars & Trucks

1 Answer

My air compressor works run for about 20 sec then cut off rear still sagging


Sounds a lot like an Air/Vacuum leak to the rear Shockies..... See a Suspension Specialist....

May 08, 2014 | 2004 Ford Crown Victoria

1 Answer

Help


Hello Chrisite,

I'll assume you still have the air compressor which activates to automatically level your vehicle. When the air bags get old, they leak and need to be replaced. If you do not do it early, you will overwork the compressor and it will fail. Mine went out shortly after the air bags started leaking as it was coming on way too often. I got new air bags and a rebuilt compressor but the compressor failed within a few months. A new one was too expensive. I went to a website called Trailvoy.com and read about many that have had the same problems. One post explained how to cure this. So I chose not to mess with the compressor anymore and followed their instructions and made a bypass so I can fill the air bags myself from the air valve in the rear of the vehicle. I keep a portable compressor in the back just in case and it plugs into the 12v power port in the back. Pressure is best at 55 lbs. The air bags are rubber and eventually, due to weather conditions, they start to crack. If one is leaking, the second is soon to follow. When they can no longer hold air, the rear of the vehicle will sag way down and bounce when you drive it. It's not only annoying, it is unsafe.

Trailvoy is a forum for Trailblazer, Envoy & Bravada owners. Our model (2002 Bravada) is on the same platform as these others while Envoy offered a V8 engine also. (we have the 6 cylinder).

It costs nothing to join the site and you can get all sorts of helpful info regarding your vehicle. Many master mechanics belong to it so you'll get great advise if you ask questions.

Michael














Mar 24, 2014 | 2002 Oldsmobile Bravada

1 Answer

Air suspension compressor sounds bad and wont pump up the rear on a 2003 mercury grand marquis


What is odd is the compressor stopping after so short a time. It may be your only problem.

When you have a leak in the system, the compressor keeps running because the sensors do not signal for it to shut off. On your vehicle it is either being told to shut off prematurely or the compressor is triggering a circuit breaker.

There are ride height sensors on the rear. If the vehicle was lifted without turning off the Air ride, the sensors may have been stretched.

You can check for air leaks in the suspension bags, and air lines using a spray bottle of soapy water. There is also a Master dump valve that should be ahead of the Drivers front tire/radiator well area. It is not a concern unless there is no pressure in the system.

Finally, just as the engine can express diagnostic Codes, so can the suspension. You need a better scanner to do this function. It is the quickest way to find the problem.

Please rate my info.

Jan 22, 2013 | 2003 Mercury Grand Marquis

1 Answer

Is it better and cheaper to replace rear air suspension to non-air suspension on a 1997 Cadillac DeVille?


It will run about the same, there is a good web site we deal with that sells conversion kits or the air components needed to repair your car, we use them all the time. There pricing is good and also have all parts needed.
Your car may just need air bags, but have run into many cars that the air bags had been leaking for a while and were left not repaired causing the air compressor to run so much that it overheated and cooked the compressor and relay.This is hard to say on yours without looking at it. if the air shocks air leaking then you will need to start with that and then if the car does not lift then you will need to check the fuse and relay, if there are good or replaced and still no air is made then compressor will need replacing.
http://www.arnottindustries.com/part_CADILLAC_Air_Suspension_Parts_yid6_pid35.htmlthe compressor is 175.00 and the two shocks are 275.00.
I did not see a conversion kit for this car. take a look at site and see if you can locate one. good day.

Apr 10, 2012 | 1997 Cadillac DeVille

1 Answer

My 1992 tornado trofeo back is lower then the front


Check your rear suspension. Load-leveling air suspension struts could be bad or leaking. Air suspension compressor could be inoperative. Air suspension compressor relay could be bad. Air lines from compressor to struts could be leaking, from cuts, cracks, or having rubbed through against the frame. Transverse leaf spring could be sagging.
And it's Toronado, not Tornado. Sacrilege!

Sep 01, 2011 | Oldsmobile Toronado Cars & Trucks

1 Answer

The rear shocks bleed down overnight. This has happened only a few times and when the car is started the rear end rises. The last time the vechile had to be moved an inch or two backwards then forward then...


There is a built in valve for this function in the suspension compressor. If and when this sticks open it will cause the rear end to sag. Its not replaced except with the compressor.
The bags in back can still be leaking under where the the bag rolls up, the car would need to be in the air to see that area.

Nov 11, 2009 | 1999 Ford Crown Victoria

1 Answer

Land rover Discovery 2004, rear right hand side down 2 inches


If you have the coil spring suspension, then your spring for that corner has really sagged[doubtful] I suspect you actually have the rear air suspension ,and the air spring for the Right/Rear has lost air, allowing the rear end to lower down greatly. Usually, you need a new air spring when one develops a leak. You may or may not be able to see the leak with a spray solution of soapy water after the spring is removed for inspection. Sometimes you have to apply about 20psi of air pressure into the spring to inflate it a bit, then put the spring under water in a big enough tank/tub of water to catch the leak that way.

Apr 01, 2009 | 2004 Land Rover Discovery

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