Air Line Fluid Purge

Front

1. NOTE: If oil is present in the air lines, replace both LF and RF air shocks. Do not replace air shocks if only water is found in the air lines.

Disconnect the air line at the air compressor drier that is connected to the front fill solenoid inlet.
2. Disconnect the air line at the RF shock.
3. Connect scan tool to the data link connector (DLC).
4. Turn the 4WAS FRNT-FILL (front fill solenoid) solenoid ON.
5. Connect shop air line to the disconnected air line and blow out any fluid.

6. NOTE: When installing air lines, make sure the white air line is fully inserted into the fitting for correct installation.

Reconnect the air line at the RF air shock.
7. Disconnect the air line at the LF air shock.
8. Turn on the following 4WAS solenoid:
^ FRNT_FILL (front fill solenoid) ON.
^ GATEVALVE (front gate solenoid) ON.
9. Connect the shop air line to the disconnected air line and blow out any fluid.

10. NOTE: When installing the air lines, make sure the white air line is fully inserted into the fitting for correct installation.

Reconnect the air line at the LF air shock.
11. Replace the air compressor drier.

12. NOTE: When installing the air lines, make sure the white air line is fully inserted into the fitting for correct installation.

Reconnect the air line to the air compressor drier.

Rear
1. Disconnect the air line at the air compressor drier that is connected to the rear fill solenoid inlet.
2. Disconnect the air lines at the rear LH and RH air spring solenoids.
3. Connect scan tool to the vehicle.
4. Turn the 4WAS-REAR_FILL (rear fill solenoid) solenoid ON.
5. Connect the stop air line to the disconnected air line and blow out any fluid.

6. NOTE: When installing the air lines, make sure the white air line is fully inserted into the fitting for correct installation.

Reconnect the air line at the rear LH and RH air spring solenoids.
7. Replace the air compressor drier.

8. NOTE: When installing the air lines, make sure the white air line is fully inserted into the fitting for correct installation.

Reconnect the air line to the air compressor drier.