Question about Harley Davidson FLHTCUI Electra Glide Ultra Classic Motorcycles

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Air ride suspension and guage in fairing that reads AIR but around 120. Tried to put air in my front and rear shocks and the valves would not allow air from the chuck. These use air don't they?

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Yes, but it takes a special pump to put the air in the shocks. They aren't expensive and are available at your local Harley shop. They'll tell you how much air pressure to run in the front suspension and rear shocks as well.

Good Luck
Steve

Posted on Aug 22, 2010

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Where do I find air shocks or air struts for my 90 Buick riviera and which one do I have I'm so confused


i'm not sure that you have "air " shocks or struts , follow this link to an automotive parts site , put in your vehicle details and it will show exactly the type of suspension components you require
Replacement Parts Car Parts and Truck Parts

Mar 30, 2015 | Buick Cars & Trucks

1 Answer

Where is the ride control located on 2000 lincoln continental



Dual Action System
The suspension system incorporates a rear load leveling system that maintains the vehicle at the proper ride height under varying conditions of vehicle load, and an optional road calibrated suspension ride control system that varies the damping of the shock absorbers between soft and firm.

The rear load leveling system uses air springs to support the vehicle weight. The quantity of air in the rear air spring is controlled by the Vehicle Dynamic Module (VDM) to maintain a predetermined vehicle ride height. Each air spring has an air spring solenoid to control air flow into and out of each air spring.

The optional ride control system uses four shocks with electronically controlled actuators. The shock actuators are internally mounted on the lower bodies of the front spring and shock assemblies and the rear shocks. The action of the shock actuators is controlled by the VDM. The VDM sends a signal to an appropriate shock actuator which switches to either soft or firm damping. Normally the shock actuator setting is in a soft, luxury car mode. This is done by causing an electric current flow through the actuator, which induces electromagnetic force that moves the shock actuator from a firm to a soft position. When driving situations require, the setting is switched to a firm, high performance control mode. This is done by removing power to the actuator, allowing the shock actuator to return to he firm mode.

The shock actuators are not replaced separately. If testing indicates an actuator failure, the entire shock absorber must be replaced.

Vehicle Dynamic Module
A microprocessor controls the air suspension and ride control systems. The microprocessor and its support hardware are contained in the Vehicle Dynamic Module (VDM) . It responds to signals from various sensors in the vehicle to maintain the desired ride height while the vehicle is either moving or stopped. It accomplishes this by opening and closing solenoid valves. It also turns on the compressor through the compressor relay or opens the vent solenoid in response to signal inputs from the air suspension height sensor. It also controls the shock actuators, if equipped.

Normally, the VDM uses a 45-second averaging interval to determine when fill and vent operations are needed. However, door switch signals' inputs can override the 45-second averaging interval so fill and vent operations can begin immediately, if needed.

Air Suspension Service Switch
The air suspension service switch provides the system enable signal to the vehicle dynamic module in the ON position only.

Air Compressor
The compressor contains a thermal overload circuit breaker. The circuit breaker automatically resets after a cool down period and after being tripped by excessive compressor motor heat.

The air compressor assembly consists of the compressor pump, electric motor, and vent solenoid (must be installed as an assembly).

Air Suspension Height Sensor
The air suspension height sensor provides a continuous voltage signal corresponding to vehicle ride height. For instance, when the sensor is fully compressed, the voltage signal sent to the Vehicle Dynamic Module (VDM) is 4.5 volts. When the sensor is fully extended, the voltage signal to the VDM is 0.5 volt.

Each one of the air suspension height sensors measures the actual difference between known reference points so that the VDM can respond to variations in ride height.

If the wheel speed and travel are above a predetermined level, the shock actuators are switched to the firm position. This reduces the chance of grounding out the suspension when traveling over rough road surfaces.

Body roll during extended, high lateral-force turns (freeway exits) are also neutralized to prevent unwanted leveling actions at these times.

Air Spring Solenoid Valve
Never rotate an air spring solenoid valve to the release slot in the end cap fitting until all pressurized air has escaped from the spring to prevent damage or injury.

The air spring solenoid allows air to enter and exit the air spring during leveling corrections. The air spring solenoid valve is electrically operated and controlled by the VDM.

Vent Solenoid
The vent solenoid allows air to escape from the system during venting corrections. The vent solenoid is located in the air compressor cylinder head and shares a common electrical connector with the motor. The vent solenoid is enclosed in the cylinder head casting, which forms an integral vent solenoid housing that allows the vent solenoid tip to enter the pressurized side of the system. Air leakage past the vent solenoid tip is prevented by an O-ring seal.

When it is determined that a corner of the vehicle is high, the vent solenoid opens to provide an escape route for the pressurized air. The vehicle will not lower unless the air spring solenoid is also opened to allow air to leave the springs.

May 25, 2014 | Televison & Video

2 Answers

Air shocks out, bottom of car scraping


Monroe make a convertion to standard coil springs should be available at any auto parts retailer

Apr 10, 2014 | 1996 Lincoln Continental

1 Answer

Rear suspension is not lifting up and 'check ride control' lights up. While driving, the rear drags and I bounce around. How much will cost to fix this problem?


you may find that the little air pump for the suspension has siezed, I had the same problem with my car and found that the pumps are only lightly lubricated with with a grease type lubricant but the lubricant eventually dries and the piston wont slide up and down the bore as the piston has rubber "O" rings on it and wont slide in a dry bore.
The pump for mine was located under the right side front guard.
I ended up removing the rear air shocks and replaced them with normal air shocks with the tyre type valve that you pump up at the garage, never had any more trouble after that.
Hope this helps

Oct 04, 2010 | 2000 Lincoln Continental

3 Answers

Air Ride Suspension on Rear won't air up


I had that problem with my ford fairlane (Australian Ford) there is a little compressor that pumps the air up when you turn the ignition on, it is located under the front right guard looking from inside the car.
I was told to remove the air shocks in the rear and replace them with air shocks that you pump up at the garage as the air line from the shocks go to a valve in the boot.
I did this and never had another problem with the rear suspension but I had heaps more problems with the car over a 4 year period and decided to sell it as it was never ending, I have never bought another ford since and never will
Hope this helps you

Jun 19, 2010 | 2000 Lincoln Town Car

1 Answer

Problem with the left rear air ride shock


you will have to reconfigure the rear suspension, best talk to a spring and suspension shop

May 28, 2010 | 1992 Oldsmobile Ninety Eight Regency

1 Answer

I have a 1994 lincoln continental car. Hoe do I replace the suspention drier?


why do you want to replace it? As air is exhausted through it, it dires it out for the next use. it's part of compressor assembly.

1996 cont'l The air suspension system includes the following major components:
  • Air compressor to supply air to the air springs (part of front spring and shock and rear spring and shock absorber assemblies
  • Front spring and shock (3C098) and rear spring and shock absorber (5A965) at each corner of the vehicle
  • Four linear air suspension height sensors (5359): two rear and two front height sensors to maintain the vehicle at the proper ride height; only LH rear height sensor is used for air suspension.
  • Dual-mode front spring and shock and rear shock absorber assemblies with internal actuator.
All system functions are controlled by vehicle dynamics control module (5A919). This control module receives inputs from several different sources. These inputs include:
  • vehicle speed via multiplex communication network
  • ignition switch position
  • door position via multiplex communication network
  • height sensor position
  • air suspension service switch
  • engine rpm via multiplex communication network
  • ride and steering personality settings via multiplex communications network
Communications monitor system operation and allow diagnosis of any concerns that may develop in the system. System monitoring for the driver's use is provided through the instrument panel mounted message center indicator (10D898).
  • Diagnosis communication for the service technician is provided through the data link connector (14489) (DLC) under the instrument panel and Rotunda New Generation Star (NGS) Tester 007-00500 or equivalent.
The message center indicator will display AIR LEVELING DISABLED or CHECK RIDE CONTROL if the suspension system is not turned on or the vehicle dynamics control module detects a concern. If air leveling system disabled is displayed, check that air suspension service switch is in the ON position.
----------------------------------------------------------
Solenoid Valve Vent The vent solenoid valve operates as follows:
  • The vent solenoid valve allows air to escape from the system during venting corrections.
  • The valve is located in the air compressor cylinder head and shares a common electrical connector with the motor.
  • The valve is enclosed in the cylinder head casting, which forms an integral valve housing that allows the valve tip to enter the pressurized side of the system.
  • Air leakage past the valve tip is prevented by an O-ring seal.
  • The vent solenoid valve opens when a corner of the vehicle is high and the vehicle dynamics control module (5A919) determines lowering is required.
  • When the vent solenoid valve is opened, it provides an escape route for pressurized air.
  • However, the vehicle will not lower unless the air spring solenoid valves (5311) are also opened to allow air to leave the springs.
  • Lowering the vehicle corners requires the vehicle dynamics control module to open two solenoid valves, the vent and one air spring solenoid.
  • Air is exhausted from the spring and vents through the compressor air drier (5346).
---------------------------------------------------------------------------------------------
Section 04-05: Suspension, Computer Controlled 1996 Continental Workshop Manual
REMOVAL AND INSTALLATION Air Compressor and Drier Assembly Removal
  1. Turn air suspension service switch OFF.
  1. Disconnect electrical connector located on the air compressor.
  1. Disconnect two air lines from compressor air drier.
  1. Remove three fasteners retaining air compressor and drier assembly to radiator support, frame rail and fender apron.

Dec 22, 2009 | 1994 Lincoln Continental

2 Answers

2002 rangerover vogue petrol nearside front suspension goes down overnight any ideas to put right please


I expect this has an air system within the suspension allowing you to vary the ride and its height. If the suspension is dropping overnight this would be from a leak within the system or a valve that is allowing air to bleed back and leak out. You'll have to locate the leak which may be in one of the shocks/air bags. Being these are tied together by a common system if one were to leak the pressure in the system will equalize causing the entire system to lower its pressure. I hope this may have assisted,
Tom

Oct 16, 2009 | 2002 Land Rover Range Rover

1 Answer

REPLACED DRYER ON 96 CONT NOW THE BACK WONT AIR UP FRONT DOES


maybe you got dirt in the line to the rear. Here's some background info:

The air suspension system includes the following major components:
  • Air compressor to supply air to the air springs (part of front spring and shock and rear spring and shock absorber assemblies
  • Front spring and shock (3C098) and rear spring and shock absorber (5A965) at each corner of the vehicle
  • Four linear air suspension height sensors (5359): two rear and two front height sensors to maintain the vehicle at the proper ride height; only LH rear height sensor is used for air suspension.
  • Dual-mode front spring and shock and rear shock absorber assemblies with internal actuator.
All system functions are controlled by vehicle dynamics control module (5A919). This control module receives inputs from several different sources. These inputs include:
  • vehicle speed via multiplex communication network
  • ignition switch position
  • door position via multiplex communication network
  • height sensor position
  • air suspension service switch
  • engine rpm via multiplex communication network
  • ride and steering personality settings via multiplex communications network
Communications monitor system operation and allow diagnosis of any concerns that may develop in the system.
  • System monitoring for the driver's use is provided through the instrument panel mounted message center indicator (10D898).
  • Diagnosis communication for the service technician is provided through the data link connector (14489) (DLC) under the instrument panel and Rotunda New Generation Star (NGS) Tester 007-00500 or equivalent.
The message center indicator will display AIR LEVELING DISABLED or CHECK RIDE CONTROL if the suspension system is not turned on or the vehicle dynamics control module detects a concern. If air leveling system disabled is displayed, check that air suspension service switch is in the ON position.
-------------------------------------------------------
Weight Added When weight is added to the vehicle, the air suspension system responds as follows:
  • Air suspension height sensor length is reduced from trim length, sending a "vehicle is low" signal to the vehicle dynamics control module (5A919).
  • To restore vehicle to the trim position, the vehicle dynamics control module turns the compressor on by grounding the compressor relay control Circuit 420 (DB/Y). The relay is ground-side switched.
  • To allow pressurized air to enter the rear spring (5560) and front spring and shock (3C098), the control module opens the solenoid valves (5311).
  • Compressed air flows from the compressor, through the compressor air drier assembly, air lines and solenoid valves into the air springs.
  • As the air springs raise the body height, the air suspension height sensor (5359) increases in length until the preset trim height is reached.
  • The vehicle dynamics control module then turns off the compressor (through the relay) and closes the air spring solenoid valves.
  • ----------------------------------------------------------------------------
  • Weight Removed When weight is removed, the air suspension system responds as follows:
    • Air suspension height sensor length is increased from the trim length, sending a "vehicle is high" signal to the control module (5A919).
    • To restore the vehicle to the trim position, the vehicle dynamics control module opens the vent solenoid valve (located in the compressor assembly) and opens the solenoid valves (5311).
    • Compressed air flows from air springs, through the solenoid valves, air lines, compressor air drier (5346) and out the vent solenoid valve.
    • As the body lowers, the air suspension height sensor length decreases until the preset trim height is reached.
    • The vehicle dynamics control module then closes the vent and solenoid valves.
------------------------------------------------------------------------------
Control Module Power and Ground The vehicle dynamics control module (5A919) is located above the upper luggage compartment trim panel and lower module tray. Module power is provided by Circuit 418 (DG/Y) at Pins 36, 37, 56, 57, 58 and is powered through a Fuse 7 (30A) in power distribution box. Module ground is provided through control module wire harness Pins 6, 39, 40 and 60. The data link connector (14489) (DLC) is located in the passenger compartment under the instrument panel, 300 mm (12 inches) right of the steering column. This connector allows communications between the vehicle dynamics control module and either Rotunda New Generation Star (NGS) Tester 007-00500 or equivalent or Rotunda Service Bay Diagnostics System (SBDS)® 001-00001 or equivalent. When the CHECK RIDE CONTROL message is displayed in the message center indicator (10D898), a system error has been detected by the vehicle dynamics control module and is stored in the control module. This diagnostic trouble code (DTC) will be retained for the next 80 ignition switch cycles. If there is no repeat of the same error during these 80 ignition switch cycles, the control module will erase the DTC. Because of this self-erasing memory, a customer may have had a concern "just a few days ago" that is not retrieved from memory when Diagnostic Test Mode (DTC) "Retrieve/Clear Continuous DTCs" is executed. This must be kept in mind if you must tell customer that no current concern has been found. When the vehicle dynamics control module detects a concern, the air suspension system is disabled for the current ignition cycle. If the condition causing the concern clears up during the current ignition switch cycle, the system will not reactivate. For example, if the customer has severely overloaded the luggage compartment, the system will not be able to trim the vehicle without exceeding the compressor run time. This will generate a DTC that disables the computer controlled suspension system. If the customer then drives the vehicle and unloads the luggage compartment without turning the ignition switch OFF, the system will not adjust for the new load. The customer will experience poor ride quality and the vehicle will not adjust trim.

May 20, 2009 | 1996 Lincoln Continental

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