Valve Block Assembly

60.50.11 Valve block assembly
Do not depressurize air suspension system before raising vehicle
When removing Voss connectors from any air suspension component, the connector must be left attached to the air pipe being removed. Do not remove the connector from the air pipe. Removing the connector from the air pipe could cause the connector to scratch the pipe and increase the likelihood of leaks.

The valve block can be checked for correct operation using Testbook/T4.

Remove
1. Raise front of vehicle and support under body.

WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.





2. depressurize suspension.





3. Remove 2 speed nuts securing closing panel. Release and remove panel.
4. Disconnect pipe from air reservoir.

CAUTION: Before disconnecting or removing components, ensure the immediate area around joint faces and connections are clean. Plug open connections to prevent contamination.





5. Noting their fitted positions, disconnect 4 pipes from valve block.
6. Remove 3 nuts securing valve block.
7. Release valve block, depress locking ring and disconnect compressor feed pipe.
8. Disconnect 3 multiplugs and remove valve block.

NOTE: Do not carry out further dismantling if component is removed for access only.

9. Remove pipe from valve block.

Refit
1. If fitting a new valve block, remove Voss connectors from new block.
2. Fit pipe to valve block but do not fully tighten union at this stage.

CAUTION: Ensure air pipe connections are clean.

3. Position valve block, connect multiplugs and compressor feed pipe.
4. Locate valve block and fit and tighten nuts.
5. Connect pipes to valve block and tighten unions to 3.5 Nm (2.6 ft. lbs.).
6. Connect pipe to air reservoir and tighten both unions to 3.5 Nm (2.6 ft. lbs.).
7. Fit closing panel and secure with speed nuts.
8. Pressurize suspension.
9. Remove stands and lower vehicle.