I have a 2000 lincoln navigator. I have had several problems with the air suspension system. It works now but the ck.sus light comes on after about 75 miles. The car still seems to ride ok. When i shut the car off, I can still hear the compressor run two or three times with the key off. What do you think?
It sounds like your compressor is going to burn out on you. I think mine did that too. Its been a while since I had one. I spent a lot of money on replacing compressors and air parts that I was blinded by the option of going to a non air conversion kit. Strutmasters.com has conversion kits for all sorts of vehicles including Navigators. If your looking to save some money and fix your ride for good, check them out.
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Feb 24, 2014 - Uploaded by FordTechMakuloco
Ford Air Ride Rear Suspension Down Diagnosis & Fix ... why theair ride compressor is not turning on and pumping up the air ridesuspension on your truck. ... Ford Expedition & Lincoln Navigator Air Ride C1725 Common Faults ... 2000 Ford Expedition - Replacing the rear shocks with load leveling shocks ...
The best way to fix Air ride issues is to get a conversion kit. We paid $200 online for ours and my husband installed the new parts. We were told fixing the air ride could cost upwards of $3000. Experience from several people told us that parts on the air ride go out quickly once it starts having problems. Ours rides just as well as before and we will never have another air ride problem again. Our Navigator is AWD 4x4.
the air ride suspension has level sensors under the vehicle, one of the sensors must be bad making the truck deflate the airbag or inflate it too much. you may need to have someone with a scan tool to access the air suspension module and check for fault codes. you can try turning the air suspension switch off for about an hour to see if the system will reset. the switch is located under the dash on the right side kick panel.
A lot of problems,with that system
If your keeping the vehicle,swap out the air shocks, for conventional
Do not go to a dealer. People on this site, are spending $4000.00, and the dealers,still are unable to repair.
In the Passenger Compartment Fuse Panel (below and to the left pf the steering sheel by the brake pedal), remove the panel cover t access the fuses and check the position 20, 5AMP for AIR SUSPENSION MODULE...
There are level control sensors they look like little arms (with joints like your elbows) mountesd on lower control arms. They may be at fault they control the height and turn the pump off when the height is reached. try adjust height first before you replace, they can be adjusted. Good Luck