Question about 2003 Lincoln Navigator

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2003 Lincoln Navigator air suspension

I replaced the left rear shock, now the air suspension does not work in the back, either side. I hear the pump, but no movement.

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  • malsha0708 Apr 25, 2009

    i have a 2003 navigator and 3 weeks ago the compressor started to make noise like trying to pump the suspensions up to a level the car now last week i dont hear the compressor anymore and the whole truck dropped, now and then the air supension comes up except for the left front side is drop.,this week says check suspension and now again the truck stays low. i went to lincoln and they told me that i need to replace the left front shock 500$ and the relay 200$ now the truck looks slanted to the left cause they pumped it up but lincoln says i have a leak on the shocks i wanted to know if it does cost 700$ to replace these 2 parts.also cant i just patch the leak?i bought the truck 2 month ago from a dealer and also wondering if the delear knew about the issue cause its also not cover by the warrenty.



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I would recommend going to and taking a look at our conversion kits. these convert you from the airbag to a powder coated American made steel coil spring that is guaranteed to last the life of the car. Airbags and compressors are constantly having to be replaced. Also something alot of people don't know is that theses air suspensions are not meant to be in temperatures above 90 Degrees or below 40 Degrees. That is most of the world. The temperature will cause you to replace alot of bags. and typically when your replacing a bag you are going to have to replace the compressor to because the bag had a hole or small crack in it causing the compressor to over work and it will die. I posted the link below so you can take a look I hope I was of some help Good Luck!!!

Posted on May 06, 2009

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  • 8 Answers is the solution to all air problems with the Navigator!!!! I was very pleased with the help I received from their company!!!! Excellent customer service and great prices!

Posted on Jul 05, 2010

  • meme4321 Jul 08, 2010

    I have an 03 Navigator and my suspension crapped out about 6 months ago and I sent a fortune on OEM parts to replace the failed parts. Then they failed again, finally I went to Strutmasters and purchased their deluxe conversion kit and it fixed all of my problems!!!!


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I have a 03 lincoln navigator and my front passenger bag is leaking bad and now my driver side deflated as well do i need to replace both now or just the leaking one? i plan on doing the work my self rather it's replacing the one or two bags or doing a complete conversion with strutmasters just need to know before i waste money on one or two

Posted on Jul 03, 2009

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Doubble check you sensor on the rear maybe damaged or disconnected

Posted on Jan 02, 2009

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I had the same problem and went to a mechanic. He told me that the alternator or rotater what ever it's called was rusted or something. Because it was rusted it was not able to rotate and pump the air shocks. Think you should go to a mechanic.

Posted on Feb 13, 2009

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Need to locate the air pump that supplies the rear shocks.

The pump is back under the rear of car, but by now, the shocks are sure to be leaking, which causes the pump to run too much burning it up. Best fix is to replace rear shocks with coils and dump the self leveling feature, or prepare to pay big bucks to replace most components.

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The automatic level control (ALC) system maintains a desired rear suspension position under all types of towing, hauling and loading conditions. The following components are involved in the operation of the ALC system:
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The first thing you must do is isolate the problem.

Jack up the back of the car and remove the rear wheels.

Now your shocks are visible. Inspect the rubber boots in the midsection of the shock, If this is worn or torn they will need to be replaced as they dry out once the integrity of the boot is jeopardized.

Next turn the key forward to turn in the compressor that you hear. And follow the thin black air lines that run into the side of the shock. A lot of times, especially on a vehicle this age, these lines will at some point rub on the frame or other item and have holes. Just listening for air leaks and running your fingers along the lines (feeling for bumps or holes) will give you a quick answer on this.

The only thing left in the system is the compressor itself, just remove the air lines from the shocks and as the compressor runs feel the end for air pressure. If you feel it the compressor is working.

Once you have isolated the issue your vehicle faces, feel free to come back and ask for assistance in replacing them. Be thourough and check everything though because 1 bad element will make future problems inevitable.

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Common problem on all air suspension vehicles. It could be that there is a hairline crack in one of the shock bladders or that the pump is just too weak to pump up to it's intended pressure, a sensor or solenoid could also be bad.

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