Compatibility Chart
1, Air suspension spring bags installed on the Truck, Coach and Trailer are designed usually as generic types.
2, Firestone Part Number collected all the air suspension model, which could be used as an Integration Code while searching on eBay or Amazon.
3, You can distinguish specific model of air suspension spring bags on your Autotruck/Heavy-Duty Truck/Touring Car/Passenger Coach/Trailer by checking original SPN(Supplier Part Number) listed as below, all of which has a consistent one-to-one match with specific Firestone Part Number.
Brake & Wheel
M3528
ContiTech
FD20019505 161300
Goodyear
2B9228 2B9229 2B9-229
556238225 556238325 578923202
Ridewell
1003586897C
Springride
2B9494
Triangle
4505 6325
Watson & Chalin
AS0058 AS0058S
WATSON CH
AS0058
OEM Part Number
W01-358-6897
2B9-229
Package include:
4PCS Air Suspension Spring Bags
When Should We Replace A New Strut ?
1.Abnormal Sounds
When the air suspension strut is damaged,it will give out an abnormal sound.
2.Poor Handling Stability
When the car passes over a rough road ,it bumps and cannot keep steady.
3.Air Leakage
Leaking air,seal gasket failed.
4.Car Body Slant
Under the condition of poor road (Bumpy Road),the body will collapse.
5.Irregular Tire Wear
The air suspension sturt needs to be replaced if tyre surface has uneven wear marks.
6.Over Bend
When you turn to brakes,tilt faster and the steering wheel will fail.
Warning:
Vent all air pressure from the air suspension system prior to disconnecting or removing any air suspension components. It is dangerous to remove air suspension components while under pressure. Failure to follow this instruction may result in serious personal injury.
Any air spring which is unfolded must be refolded prior to being installed in a vehicle. Refer to the procedure. An incorrectly folded air spring could rupture, altering the handling characteristics of the vehicle. If a vehicle has been driven with an incorrectly folded air spring, a new air spring must be installed. Failure to follow these instructions may result in serious injury to vehicle occupant(s).
Failure to observe the following instructions may result in a sudden failure of the air spring or suspension system.
Any rear spring which is unfolded must be refolded prior to being installed in a vehicle.
The air spring refolding procedure should only be used for an air spring which has never supported the vehicle's weight while in the incorrectly folded position.
Incorrectly folded air springs found on vehicles during pre-delivery inspection or after use must be installed new.
Do not attempt to inflate any air spring which has been collapsed while uninflated from the rebound hanging position to the jounce stop.
When installing a new air spring, care must be taken not to apply a load to the suspension until springs have been inflated using the air spring fill procedure.
After inflating an air spring in the hanging position, it must be inspected for correct shape.
1.NOTE: The vehicle must be positioned on a suitable lifting device prior to deflating the air suspension system.
With the vehicle in NEUTRAL, position on a hoist until the wheel and tire assemblies are slightly above the ground.
2.Using the scan tool, vent the air springs.
3.Remove the air spring retainer.
4.Detach the air spring from the rear axle.
5.Remove the air spring in the following sequence.
1.Disconnect the air spring solenoid electrical connector.
2.Compress the quick connect locking ring and pull out the air tube.
3.Remove the air spring.