OEM Gas Filled Cabin Air Springs W02-358-3001 1S3-013 Goodyear Air Bags

OEM REFERENCE

Maintenance of the air springs, Vehicle Check-List

•  Check the air lines and devices of leakage and that they turns freely.
•  Check the bellows bearing for damage, correct fastening, deformation, sharp edges.
•  Check the shock absorbers for operation and impermeability as well as tightness and bearing.
•  Periodically, check nuts and bolts for proper torque. For specific recommendations see manufacturer's manual.
•  Check axle suspension, trailing arms and rods for wear. 
•  Check height control valve to see that it is functioning properly. A properly maintained valve will save unneeded maintenance expense.
•  Routine inspection of all of the above according to manufacturer's instructions, will extend the life of your vehicle and reduce your overall maintenance expense. 

Air Spring Installation

1. Before you start installing air springs, make sure you have all the necessary tools and equipment to perform the repair safely.
2. Familiarize yourself with the suspension on which you are performing the repair by reviewing the manufacturers service guide.
3. If you are in doubt about something, ask for assistance from a qualified suspension specialist, the suspension manufacturer or the air spring manufacturer; This can save you a lot of time and aggravation later in the job.