Question about 2006 Lincoln Town Car

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The other day while waiting in the drive through i heard a big gush of air and then the compressor came on the the the check ride sytem light came on. As i drove off i noticed that my ride has become very bumpy. I pulled over and noticed that the rear end had lowered about six inches off the ground the front end is at the proper height. I know it has something to do with the air suspension just no sure what part. Do each wheel have it own solenoid or is there just one for the front and one for the back? Just not sure what caused the whole back end to drop could it be a loose hose?

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You have two air lines to the front and 4 height sensors one for every wheel. check to see if all the airlines are seated in the pump under the hood

Posted on Aug 27, 2008

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It sounds like you blew a line under there somewhere, and you didn't mention what year it was, but most of them have an electronic controller, and from my limited experience with them they ca n be a real bear to diagnose.

Posted on Aug 07, 2008

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You need to check hose connection and also check the rear air bags for blowouts

Posted on Aug 07, 2008

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There are several things you can do. For the Air-ride, you can use soapy water in an old spray bottle and go under the vehicle and mist the suspension bags and air line connections. If you see bubbles where you sprayed or hear escaping air, replace the part that is leaking. Or have the Expedition taken to a place where a Scanner can be used on the Air-ride system. Sometimes Autozone, Advance, or Oreilys will have a better Scanner that can do the Air-ride module. If not, you need a Dealer or Independent shop having such a tool.

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The other problems you were experiencing could be due to a bad Alternator and/or the Battery being too low. The Battery minder will disconnect the charging system AFTER a jumper start has been done. I have clients who lost the charging circuit at 70MPH, just because the Battery was too low. Once 3 to 5 minutes has passed, the Battery monitor can disengage the charging circuit without warning.

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This is why I mentioned Scanning the Air-ride module. You have a big time/labor savings when the Scanner identifies which wheel is causing the problem or which doorjam switch is bad. I hope my solution is helpful to you. Be careful when the Air-ride system is pressurized as it is a Hazard to jacking the vehicle and wear safety goggles.

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