Question about 1999 Lincoln Town Car

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1999 Lincoln towncar rear drop if car set for a day or two. When driving car the suspension pump is on nd off, it maintains the height. Is it a air bag or some other part. I have been told it could be the air lines.

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I went to Strutmasters and they hooked me up! I got a new non air conversion kit for my Lincoln and I love it. I loved the price too! If I would have known about this sooner I would have bought a kit a long time ago.

Posted on Jul 27, 2010

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It's the bags

Posted on Jul 03, 2010

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Posted on Jan 02, 2017

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1 Answer

Ride height specification for 2002 Bravada and procedure on replacing sensors.Or where can I look on line for this information.


Air Suspension ??????

Air Suspension Description and Operation
Air Suspension
The primary mission of the Air Suspension System is the following for the rear suspension under loaded and unloaded conditions:
• Keep the vehicle visually level
• Provide optimal headlight aiming
• Maintain optimal ride height
The Air Suspension System consists of the following items:
• Air suspension compressor assembly
• Air suspension sensors
• Rear air springs
Important: The Air Suspension System must have a voltage supply of at least 12.6V to operate properly.
The Air Suspension System will maintain the rear D height within 4 mm (0.15 in) in all loading conditions and the leveling function will deactivate if the vehicle is overloaded. The side to side D height variation is maintained within 8 mm (0.31 in). After ignition is turned off, the air suspension control module (ASCM) will remain active for between 30 minutes and 2 1/2 hours. The system will exhaust pressure within 30 minutes after the ignition is turned off to lower the vehicle after unloading. In a temperature-controlled environment, the leakage of the complete load leveling system will not result in more than 1.4 mm (0.05 in) drop of rear suspension height at GVWR during a 24 hour period. If the outdoor temperature drops from +20°C (+68°F) to -5°C (+23°F), the rear D height may drop as much as 25 mm (1 in). However, the Air Suspension System should return to the specified D height when the ignition is again cycled to ON.

What is the problem ?

Diagnostic Trouble Code (DTC) Displaying
The Air Suspension system has an internal clock to prevent overheating if the compressor assembly is running for a prolonged period of time. If the system overheats, all leveling function stops until the system cools down. During this time, the indicator LED on the air inflator switch will be quickly flashing at a constant rate.
The other three diagnostic trouble codes are displayed with a blink code on the inflator switch LED. The Air Suspension Compressor Assembly shall begin to indicate the code when the condition to cause the code becomes current.
The number of the fault code shall be represented by the number of flashing pulses on the inflator switch LED. The flashing pulses shall have a repetition rate of 0.5 seconds and each code shall be separated by a 3.0 second delay. All codes shall be flashed in the order of occurrence of the fault. The blink code shall take priority over other processes that have access to the inflator switch LED. Refer to the following:
• DTC 001
• DTC 002
• DTC 003

Trim Height Uneven or Low ??????

Feb 24, 2017 | Cars & Trucks

1 Answer

Can you drive the vehicle when the rear suspension leveler is not working.


Lincoln Town Car Questions - Rear suspension - CarGurus

www.cargurus.com > Questions > Lincoln > Town Car

CarGurusFeb 7, 2015 - Rear suspension - Should the rear airbags deflate after I turn off ...seems to be no leaks cause the pump turns off and I don't hear it going off and on whiledriving. ... dead so you have leak when you jacked up car if not turn off air you could... car pumps up and bleeds off later the problem is NOT the leveler.

2002 Lincoln TC Air suspension not working - CarGurus

www.cargurus.com > Questions > Lincoln > Town Car

CarGurusJul 23, 2012 - 2002 Lincoln TC Air suspension not working - My 2002 TC airsuspension ... 2012 at 09:25 PM about the 2002 Lincoln Town Car Executive ... I did not pay attention that you said the compressor is OK. ... Rear Air Suspension 2 answers ... How can I test my Air suspension height leveling sensor on my 1997 ...

Dec 25, 2015 | Cars & Trucks

1 Answer

1999 lincoln towncar air suspension leak


air bags solenoid is stuck open releasing air this happens when you raise then lower car in normal working mode valve opens closes as need to maintain ride hight when car is jacked up it thinks the bags have been filled emtys bags when you lower car down to readjust height you need new bags and a new compressor it will burn up trying to fill fill fill when it cannot suncore industries around 370.00 for everthing 2 to 3 hrs to replace

Mar 15, 2013 | 1999 Lincoln Town Car

1 Answer

I just purchased a 1997 lincoln continental and the rear suspension deflates at night but when it is started in the morning,it reflates. Is this normal?


it should deflates only at trim height and shld stay at that level considering that there is no leak on the rear air suspension. Most probably leaking rear air suspension is the problem. The system works up to 45 minutes only after ignition off and will maintain the trim height

Feb 09, 2010 | 1997 Lincoln Continental

1 Answer

EXPEDITION REAR AIR RIDE PROBLEM


do you have just rear air suspension? here's rear only. 4 wheel different. Deler an run a diagnostic test with WDS machine and get fault codes.
-------------------------------------------------------------------------------------
The air suspension system is designed to improve ride, handling and general vehicle performance for static, on-road and off-road driving conditions:
  • Ride is improved by using an air type spring (the soft ride is inherent).
  • Handling is improved by maintaining constant vehicle attitude.
The system consists of unique rear air springs, the air compressor, air lines, air spring solenoids, height sensor, air suspension control module, attachments and associated signals derived from both driver and road inputs. With these components and signals, the air suspension control module commands changes in vehicle height that are necessary for the load leveling features.
The load leveling feature rear air suspension (RAS) systems shall automatically make adjustments in vehicle height so that the vehicle is always at trim height and constant front-to-rear vehicle attitudes are maintained over the expected load range of the vehicle. Adjustments in height that are necessary to correct height differences between the vehicle's left and right sides for the RAS system shall be restricted to what can be reliably achieved with one air suspension height sensor.
The system uses one air suspension height sensor, a steering sensor, generic electronic module (GEM) and other vehicle sensors to measure driver and road inputs. The system changes vehicle height using an air compressor, two air lines and the use of air springs with air spring solenoids.
The air suspension system holds vehicle height when the rear hatch or any door is opened. The system stores rear vehicle height the moment any open door is detected. The system then maintains this height regardless of the addition or removal of a load. The system will return to its commanded height when all doors are closed or the vehicle speed exceeds 16 km/h (10 mph).
----------------------------------------------------------------------------------------
Air Suspension Height Sensor
One air suspension height sensor is mounted on the vehicle. The air suspension height sensor sends a voltage signal to the air suspension control module. The output ranges from approximately 4.75 volts at minimum height (when the vehicle is low or in full jounce), to 0.25 volts at maximum height (when the vehicle is high or in full rebound). The air suspension height sensor has a useable range of 80 mm (3.2 in) compared to total suspension travel of 200-250 mm (8 to 10 in) at the wheel. Therefore, the air suspension height sensor is mounted to the suspension at a point where full rear suspension travel at the wheel is relative to 80 mm (3.2 in) of travel at the air suspension height sensor. The air suspension height sensor is attached between the No. 5 frame crossmember (upper socket) and the panhard rod (lower socket).
When the air suspension height sensor indicates that the rear of the vehicle is lower than trim under normal driving conditions, the air compressor will turn on and pump compressed air to the air springs. When the sensor indicates that the rear of the vehicle is raised above trim under normal driving conditions, this will cause the air to be vented from the air springs to lower the vehicle back to its trim height level
------------------------------------------------------------------------------
  • Uneven vehicle height
  • Circuitry.
  • Rear pneumatic fault.
  • Air compressor assembly.
  • Air suspension control module.
  • Go To Pinpoint Test I .

Feb 21, 2009 | 2001 Ford Expedition

1 Answer

Rear air ride suspension is not maintaining height


The are ride height adjusters the look like arms. they are mounted on the bottom of the struts and lower control arms that control the height The can be adjust but for the most part if the were working fine before then they need to be replaced. Make sure that there are no leaks in the system.

Dec 29, 2008 | 1997 Lincoln Continental

1 Answer

Suspension


Yes, there is a rear ride height sensor.
Looks kind of like a little shock absorber.
You might be able to find it at NAPA or similar parts house.
You're looking at least $100.00 to $175.00 for the part if you can find them.

Oct 18, 2008 | 1996 Lincoln Town Car

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