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1994 Town Car Air Suspension Questions

HI BILL-

MY OTHER LINCOLN, A 94 TOWN CAR SEDAN WAS RECENTLY REFIT WITH NEW REAR AIR SHOCKS. I PUT LIMO GRADE AIR SHOCKS ON IT THIS TIME, AND AFTER 6 WEEKS WITH NO PROBLEM, THE CAR WONT KEEP THE CORRECT HEIGHT LEVEL IN THE REAR.

THE MECHANIC SAYS THE PISTONS ON THE SHOCKS WORK FINE, BUT THEY WONT STAY UP. I CALLED A VENDOR AND HE SAID TO CHECK THE SOLENOIDS, AND AIRLINE, BUT THE MECHANIC THINKS IT COULD BE THE LEVELING SWITCH OR CONTROL MODULE.

ANY IDEAS?

THANKS VERY MUCH!

-TOM

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Hi Tom -

The 94 Town Cars were equipped with rear Air Springs. Do you now have air shocks on your rear suspension or air springs. This is confusing to us if you have both installed. In any case there is an adjustable sensor in the rear that senses the vehicle height and instructs the electronic suspension module to make the necessary height corrections via solenoids and air lines. This sensor may have become loose or may be faulty etc. I would start by inspecting that sensor as it is easy to check. I have no idea if the installation of "limo grade" items would cause any issues as we have never seen the need to alter the original factory equipped parts with Limo parts. We do offer a "Heavy Duty" grade bag here at Lincoln Land, if this is what your supplier is referring to as "Limo", again this should present no issues. If the original electronics on your suspension system have not been altered I do hope that you discover only a loose sensor as outlined above. To perform any further diagnosis you will need the Shop Manual and or a shop with a technician who is familiar with this suspension.

Sincerely,

Bill