Automatic Level Control Sensor Replacement IRS

1. Remove the ELC/TRAILER fuse.

Important: When replacing the height sensor a diagnostic system check must be performed .

2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .



3. Disconnect the automatic level control (ALC) sensor electrical connector (1).
4. Remove the ALC sensor link from the sensor arm ball stud.



5. Remove the ALC sensor bracket bolts (1).
6. Remove the ALC sensor from the vehicle.

1. Install the ALC sensor to the vehicle.

Notice: Refer to Fastener Notice in the Preface section.

2. Install the height sensor bracket bolts (1).

Tighten
Tighten the height sensor bracket bolts to 85 N·m (63 lb ft).

3. Install the ALC sensor link onto the sensor arm ball stud .



4. Install the ALC height sensor electrical connector (1).
5. Lower the vehicle.
6. Install the ELC/TRAILER fuse.
7. Perform a diagnostic system check. Refer to Diagnostic System Check - Vehicle .
8. Refer to Control Module References for programming and setup information.

Automatic Level Control Sensor Replacement Twist Axle

Notice: When you are servicing the automatic level control sensor link, ensure that the sensor link and the sensor arm are not damaged. Ensure the sensor arm and the sensor link are properly oriented. Improper orientation of the sensor arm and the sensor link may cause damage to the automatic level control system or the vehicle.

1. Remove the ELC/TRAILER fuse.
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
3. Remove the ALC sensor connector.
4. Remove the ALC sensor link (3) from the ball stud (1).



5. Remove the ALC sensor bracket bolts/screws.
6. Remove the ALC sensor with the bracket (2) from the vehicle.

1. Position the ALC sensor and bracket (2) to the vehicle.

Notice: Refer to Fastener Notice in the Preface section.

2. Install the height sensor bolts/screws.

Tighten
Tighten the height sensor bolts/screws to 12 N·m (106 lb in).




3. Install the ALC sensor link (3) to the ball stud (1).
4. Install the ALC sensor connector.
5. Lower the vehicle.
6. Install the ELC/TRAILER fuse.