Level Control Solenoid Valve: Service and Repair
Air Spring Solenoid Valve
Removal and Installation
1. If the air spring solenoid valve is functional, use the scan tool to vent the appropriate air spring(s).
2. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Jacking and Lifting Service and Repair.
3. Disconnect the air spring solenoid valve electrical connector.
4. Disconnect the air line at the air valve.
- Compress the orange quick connect lock ring, then pull downward on the air supply line.
5. NOTICE: Remove any dirt or other foreign material from the air spring assembly prior to removing the air spring solenoid valve from the air spring assembly, or damage to the solenoid valve and air spring may occur.
Remove the air spring solenoid clip.
6. WARNING: Vent all air pressure from the air suspension system prior to disconnecting or removing any air suspension components. It is dangerous to remove air suspension components while under pressure. Failure to follow this instruction may result in serious personal injury.
The air spring solenoid valve has a 2-stage release. Vent the air spring using the following procedure:
1. Carefully rotate the air spring solenoid counterclockwise until it reaches the first stage and allow the air in the spring to completely vent.
2. Rotate the solenoid counterclockwise to the second stage and remove the solenoid.
7. NOTE: Inspect the air spring O-ring for damage and install a new O-ring as necessary. Lightly lubricate the solenoid seal area with silicone grease.
NOTE: After installing the solenoid, it is necessary to inflate the air suspension system. For additional information, refer to Ride Height Adjustments Ride Height Adjustments.
NOTE: When installing the air spring solenoid, make sure that the electrical connector is positioned away from the air spring.
NOTE: When installing the air lines, make sure the air line is fully inserted into the fitting for correct installation.
To install, reverse the removal procedure.