Question about 1999 Lincoln Navigator

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Hi Friends, I just bought a lincoln navigator 1998 and it makes a rough intrmittent sound as if it is coming from the engine or fan. It sounds like a tractor and all of a sudden it becomes normal .please help me if anybody knows about it.

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  • s_zahoor Dec 20, 2008

    My navigator's noise keeps coming back while driving.

  • Anonymous Dec 22, 2008


  • giggles1402 Mar 25, 2009

    I have a 1999 lincoln Navigator and I'm thinking that the suspension went out in it because the frame of the truck is sitting on the wheels pretty much. I checked all the fuses and they all are good. Then I unplugged the compressor to test the wires and I'm not getting any power to the compressor. Does anybody have any idea why I wouldn't have power?

  • Marvin
    Marvin May 11, 2010

    without hearing this it is nearly impossible to diagnose from a keyboard. Sorry



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The sound is your Air Ride Compressor turning on and running. You most likly have a slow air leak in the system. Take it to a shop that can do a smoke test to find the leak.

Posted on Jan 31, 2009

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Have not figured out how to fix it yet, but my 1999 navigator does that because of the air suspension. the air compressor kicks in occassionally - probably due to air leaking from the bladder.

it loudly pumps up and then runs quietly for a while until the compressor kicks in again. this is the same compressor you are supposed to shut off when you change a tire. the switch on my 1999 is on the passenger side floorboard.

if you look closely, you can actually see the navigator rise an inch or so when it is pumping up.

Posted on Dec 28, 2008

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If it makes the noise when you first start and then goes away It is probably the air suspension pump coming on like normal. These pumps have a tendency to be noisy. if there is no noticable problem with the suspension except for the noise I wouldn't worry about unless the noise bothers you.It is about a $500 repair

Posted on Dec 17, 2008

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