Replacing Air Spring Bellows
Information
If you intend to re-use the VOSS threaded joint fitted on the vehicle, the VOSS threaded joint (including stopper and cutting ring) that comes pre-fitted on the new air spring bellows must first be removed.
Pay particular attention to the following when replacing the rear air spring bellows:
Depending on the condition of the VOSS threaded joint (air line connection to air spring bellows) fitted on the vehicle, the VOSS threaded joint can either be used again or replaced.
Using the same VOSS threaded joint on the vehicle:
- Remove stopper -1- from the new air spring bellows.
- Unscrew VOSS threaded joint -2-
on the new air spring bellows.
As-delivered condition of air spring bellows
- Remove cutting ring -1-
.
Cutting ring
- Install new rear air spring bellows.
Replacing VOSS threaded joint on the vehicle:
- Loosen the cutting ring -1- on the air line -3- using a suitable tool.
- Pull VOSS threaded joint -2-
off the air line -3-
.
Cutting ring and VOSS threaded joint
Information
Sharp edges at the end of the air line or at the point where the cutting ring is fitted can damage the newly fitted O-ring.
For this reason, always de-burr the end of the air line.
If there is also a sharp edge at the point where the cutting ring is fitted, the air line must be repaired.
- Check air line for damage/leaks.
If damaged, repair the air line.
Information
Before installation, the following parts must be pre-fitted on the air connection of the new air spring bellows:
Air connection on air spring bellows
- Cutting ring -1-
- VOSS threaded joint -2-
- Install new air spring bellows.
Pay particular attention to the following when fitting the air line on the air spring bellows:
- Insert air line as far as it will go.
- To check that the air line is fitted correctly, pull it briefly against the insertion direction. If it cannot be pulled out or can only be pulled out with considerable effort, the air line is fitted correctly.