![]() Put a floor jack under the axle and raise the axle to the point where it is just beginning to lift the car off the jack stand. If there was continuity, connect the arm and the electrical connector. As the arm is raised, there should be continuity. There should be no continuity with the arm down. Test the switch with the ohmmeter by checking across both terminals while slowly moving the arm. Loosen the arm of the switch from the axle. Pull the electrical connector off the switch. Inspect the leveling switch on the axle, making sure it is not bent and is connected. If there is power, turn the switch to the off position, raise the vehicle and place it on jack stands in the rear. If one terminal has power and the other does not, replace the switch. If it does not come on, test the switch terminals for power, using a circuit tester. Listen for the compressor to come on while pushing down on the rear bumper. Turn the ignition key with the engine off. Always turn off the switch before lifting the car, because the sensor will think the car is rising and keep the air bag valves open, ruining the rear air suspension. This switch is used when the car is in for service. If the fuse is all right, check the air suspension switch in the trunk and make sure it is on. If the back of the car is low, indicating that the air suspension is not working, and the air suspension light is on, check the fuse first. When the load is removed and the arm moves down, indicating that the back of the car has risen, the sensor opens the valve on the air bags and allows air to escape, lowering the car. When the arm is pushed up, it turns on the air compressor and fills the air bags to level the car. ![]() When the rear of the car drops due to increased load, the arm is pushed up. ![]() These valves are operated via a leveling sensor that is attached to the body of the car and to the rear axle by a movable arm. This is a relief valve that allows air to be exhausted when activated, and which senses the amount of air pressure within the air bag to keep both sides equal. On the top of each air bag is a electrical valve. I don't intend to do a major fix on this (unless it just requires a cheap part), just trying to find a way to get the end up off the ground so somebody can drive it away.The Lincoln Town Car's air suspension uses a small, separate air compressor under the driver's side left fender well, with air lines running to the air bags. Can't get the key to open the trunk (may be a WD-40 fix), but the motor starts immediately and the daughter said it drove and rode good on the trip to Charlotte. Plus the car looks like Hell now from sitting under a tree for 9 mos. Hood won't fly up but it won't stay fully latched either. It now has a yellow handle to release the hood & it will not fully engage the hood loop to hold it all the way down. Some bozo down there put another front end on it but it wasn't the right one because the hood latch won't keep the hood closed all the way. Her mother drove it into the side of her (Mom's) house (hit the gas instead of the brake) and smashed in the front end. But the situation is that the lady just wants to sell the car (150K+ miles). I agree wholeheartedly with you on the idea of just replacing all that Crap with regular springs. Is it a legitimate move to inject air at that point - will it try to inflate the air bags without doing any other Is it accessible without removing the air filter box?ģB. Where is the Schrader valve - on the pump assembly?ģA. If it is sitting low, shouldn't the solenoids be told to close?ģ. So, would I maybe see any fault codes related to this issue?Ģ. I do have the OBDI Ford cable for my tester.ġ. ![]()
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