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Lincoln Navigator Air Ride

166 messages,  Last post on Dec 07, 2009 at 8:46 AM

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#1 of 166
99 Lincoln Navigator-Air ride by buzzara
Feb 08, 2007 (9:03 pm)
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We just replaced the compressor relay and now the compressor is coming on, but the rear of the truck still won't lift. Does anyone have any ideal of what could be wrong? We also noticed that when we open any of the trucks doors the compressor shuts off.
#2 of 166
03 Air Suspension Question by dcover
Feb 26, 2007 (2:58 pm)
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I just purchased an '03 Navigator, and I have a question about the Air Suspension. I hear the compressor operate after I shift into gear, but I don't notice any other changes. Is the system supposed to change the ride height on the vehicle? Otherwise, how do I know if it is working properly or not?
 
Sorry for the probably silly question, but I'm brand new to this vehicle and this type of suspension. Any info would be greatly appreciated.
#3 of 166
Re: 03 Air Suspension Question [dcover] by heyjewel
Feb 26, 2007 (3:54 pm)
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Replying to: dcover (Feb 26, 2007 2:58 pm)

Others more expert than I will chime in, but basically there are air shocks at all 4 wheels. The compressor pumps them up when you fire up the Nav. The truck sits lower when shut off , but I dont think its much more than an inch or two lower. There are ride height sensors at all 4 wheels as well. When all 4 sensors report the proper ride height, the compressor will shut off. It will come on from time to time to maintain proper ride height. This system not only provides a smooth ride, but it functions as an automatic load leveler during operation as well. When u shut off the vehicle, you may hear the air escaping from the system. BTW, your compressor probably comes on before u shift into gear, but that's a minor point.
 
Personally I like the air suspension, though it can be more troublesome than simple shock absorbers, it is more functional. Troubles you're likely to see as the truck ages are leaky air shocks and/or lines and perhaps a probelm with the compressor or dryer.
 
I had a 93 Mark VIII with similar system. Saw no probs with air until close to 8 years/100K miles. Most cars would've gone thru at least one set of shocks by then.
#4 of 166
Re: 03 Air Suspension Question [heyjewel] by dcover
Feb 26, 2007 (5:04 pm)
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Replying to: heyjewel (Feb 26, 2007 3:54 pm)

Well, I'm going to have to do some checking, because I paid attention today and didn't notice any change in height (Gauging the distance between the tires and wheelwells). Also, the compressor does not seem to kick in until you shift out of park.
 
Thanks for the help. As we just purchased the vehicle, the dealer will make good on any issues.
#5 of 166
Re: 03 Air Suspension Question [dcover] by heyjewel
Feb 27, 2007 (10:08 am)
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Replying to: dcover (Feb 26, 2007 5:04 pm)

Well, you'll need to show them a problem cause if it works they wont fix it. I don't know for sure exactly when the compressor comes on, but it doesnt make sense for it to key on the transmission does it? And if it wasnt working, you'd definitely know it cause your suspension wouldnt suspend.
#6 of 166
Re: 03 Air Suspension Question [heyjewel] by dcover
Feb 27, 2007 (10:45 am)
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Replying to: heyjewel (Feb 27, 2007 10:08 am)

Thanks again for the info. I did some additional checking and found out some of the details. Like how it isn't supposed to come up to full ride height until you hit about 15 MPH. I found it interesting that in 4x4 Low, it actually raises the ride height a full inch above normal for better clearance. Bet that happens a lot, LOL :o)
#7 of 166
Re: 03 Air Suspension Question [dcover] by heyjewel
Feb 27, 2007 (1:51 pm)
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Replying to: dcover (Feb 27, 2007 10:45 am)

Good job. Tell u what, if u want a luxo-barge to go off road, the Nav is the one to beat. :>) I actually get mine in Low once in a great while. Also, having Full-time AWD on the dash switch is another plus. The Nav is quite a capable vehicle.
 
C U on the trail!
#8 of 166
Re: 99 Lincoln Navigator-Air ride [buzzara] by foxrocks1
Mar 06, 2007 (2:57 pm)
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Replying to: buzzara (Feb 08, 2007 9:03 pm)

Buzzara,
         Did you find out the problem, I am having the same problem with mine, I have replaced the compressor, relay, height sensor ect it worked for about a day and now rear end is low as she can go.
thanks
Fox
#9 of 166
Re: 99 Lincoln Navigator-Air ride [buzzara] by jlsride1
Mar 12, 2007 (3:34 pm)
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Replying to: buzzara (Feb 08, 2007 9:03 pm)

I have a 1998 and I was having the same problem. Your problem is a solenoid located on the frame under the driver's door. The part # is 1L1Z-5311-AA. It is the solenoid that controls the rear fill of the air suspension system. The only way to find the problem was to have diagnostics done and the error code should be 1846 or something like that. the part is easy to replace. If you need any assistance with those steps write me back.
#10 of 166
98 Lincoln Navigator by ayork
Jun 05, 2007 (6:40 am)
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I have a 98 Lincoln Navigator I came out one night and the rear air ride was sitting on the wheels. The compressor was checked and said to be ok..any suggestions. I called a local dealer and they were no help I ask the location of the relay and the control unit but noone knows. The service manual I purchased is no help.

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