Air Line: Service and Repair

Air Suspension Air Line Replacement

Removal Procedure

1. Remove the air suspension system fuse.

Important: Remove the air suspension system fuse before working on the rear suspension components or the rear axle. Failure to remove the air suspension system fuse could cause the calibration of the air suspension leveling sensors to change and the air suspension system not to function properly.

2. Raise and support the vehicle.
3. Ensure that the air suspension system is depressurized before removing the air suspension air lines. Refer to Air Suspension Depressurization Procedure.

Notice: Depressurize the air suspension system only after the rear axle is supported and is set between D- Height and Full Jounce.

4. Disconnect the air line from the air spring.
5. Disconnect the air line from the air compressor.
6. Trim off air line at the electrical harness with a sharp cutting tool. Leave remaining air line in the wiring harness.

Installation Procedure
1. Install air line to the air compressor using a new fitting.
2. Install air line to air spring.
3. Attach the air line to outside of the wiring harness using wire ties.
4. Lower vehicle.
5. Install air suspension system fuse.
6. Start vehicle and check for leaks.