Question about 2003 Lincoln Navigator

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Why is my 03 navigator rear suspension down, compressor working fine

Front suspension fine, rear is down, compressor is coming on as usual. this started with a creaking sound in back then just stopped pumping up

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The 2003 on up Navigator & Expedition is the worst designed and most expensive to maintain out of all the Ford systems, since Ford started in 1984. Do yourself a favor and do a Lincoln Navigator Air Suspension Conversion 03 06 and be done with the air....and be able to rely on this vehicle. Something you CAN'T do with the air.

Posted on May 07, 2015

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Maybe a leak or a failure around the diverter valve, like not pressurising the rear. If the compressor is winding and pumping the front then certainly a blockage or leak at rear. check for damage on lines under vehicle. maybe stone chip has dented the line.....

Posted on May 08, 2014

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1st Check the solinoid on air spring, they have 3 o rings 1 large and 2 small on each solinoid. Be shure to use jackstands and put block on wheels. Safety 1st, Also the Arnott web sight has video of airspring and Solinoid removal

Posted on May 07, 2014

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The air bags are leaking, replace them as a pair.

Posted on May 07, 2014

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Related Questions:

2 Answers

Can the front suspension problem be due to the compressor


If the rear suspension is not affected its probably a leak or a front height sensor.

Jan 24, 2014 | 2006 Lincoln Navigator

1 Answer

WHERE IS THE REAR HEIGHT SENSOR ON 2004 LINCOLN NAVIGATOR


Usually between the frame and the rear axles. A lever type device, should be fairly easy to locate. Check that the compressor is building air pressure and storage tank. Air bags not leaking and etc.

Feb 13, 2013 | 2004 Lincoln Navigator

1 Answer

Air suspension leveler not working


you will most probably find that the air compressor for the air suspension has dried inside the piston bore as the piston has a rubber "O" ring on it and once the lubricant dries out the piston won't slide up and down the bore.
The compressors are usually under one of the front guards

Oct 09, 2010 | 2004 Lincoln Navigator

3 Answers

MY CAR IS RIDING LIKE A LOW RIDER I HEARD A LOUD GASP OF AIR AND THEN THE BACK DROPPED AND I CANT REALLY DRIVE IT NOW , I HERE THE COMPRESSOR WORKING LOUDLY AS ALWAYS BUT ITS NOT LIFTING THE REAR 2000 4WD...


If your not too familiar with air-suspension, send it in. But I can tell you that the air-compressor will not last too much longer if it runs constantly.
You need to go underneath and find out where the air is coming from while the compressor is running. It is possibly coming from a defective proportioning valve, bad air-line or defective air-bag.

May 18, 2010 | 2000 Lincoln Navigator

1 Answer

Troubleshooting Suspension failure 2000 Lincoln Navigator


I have owned several air suspension vehicles. My Expedition was similar to yours. You may want to try the 4x4 switch because it will raise the body 1-2 inches higher. Checking its fuse would not hurt.

On most of my vehicles the suspension would work end to end, raising the front first. You could have 2 issues with the suspension. There should be valving to switch the air to the rear suspension after the front is up. I would wait longer for the rear to catch up.

If I had to guess why the front lifts first it would be to get the front off of the curbs and sidewalks when you park so the bottom doesn't drag.

There is a diagnostic plug for the air suspension and sometimes Autozone or Oreillys have the scanner for that special plug. If not, some alignment shops and all dealers would have it. Also Ford parts are often the same as Lincoln and cheaper., Someone may make aftermarket parts at a better price.

Dec 02, 2009 | Lincoln Navigator Cars & Trucks

4 Answers

Forgot toi turn the air suspension off when


Remove battery, remove windshield washer bottle, remove air compressor and disconnect both air lines from the compressor dryer. Make sure compressor electrical wiring is plugged in, install battery, turn suspension switch to ON, turn ignition switch to the ON position, close all door and the compressor should come on and completely lower the whole truck. Once the truck is completely down, turn the ignition OFF, remove battery and connect both air lines. Install battery ensure electrical wiring is plugged in, turn ignition switch to ON, the compressor should come on and raise the vehicle to the correct ride height.

Jun 14, 2009 | 2001 Lincoln Navigator

2 Answers

My rear suspension doesn't work on my 2002 Lincoln Navigator.


can you hear the pump come on when the vehicle starts? Check the rear height sensor at the rear axle it might have come off

Feb 10, 2009 | 2002 Lincoln Navigator

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