REMOVAL & INSTALLATION
| CAUTION | Electrical power supply to air suspension system must be turned off prior to hoisting, jacking or towing vehicle. This can be done by disconnecting battery or turning OFF air suspension switch, located in right kick panel. |
Turn air suspension system off. Switch is located in right kick panel. To disconnect air lines from air compressor, depress Red plastic retaining ring and hold firmly while pulling outward on air line. Disconnect electrical connector from air compressor assembly. Remove mounting bracket bolts. Remove air compressor assembly. To install, reverse removal procedure.
- Disconnect battery negative cable. Remove instrument panel center finish panel. Disconnect transfer case rotary control switch harness connector. Remove trim panel from under steering column. Remove headlight switch. Remove instrument cluster finish panel.
- Remove control module mounting bracket screws. Lift control module and mounting bracket from instrument panel. Disconnect wiring harness connectors. To install, reverse removal procedure.
Turn air suspension system off. Raise and support rear of vehicle. Bleed air from air spring. See INFLATING/DEFLATING AIR SUSPENSION SYSTEM under ADJUSTMENTS. Remove rear air spring retainer. Lift bottom of air spring off rear axle. To disconnect air line from air spring, depress Green plastic retaining ring and hold firmly while pulling outward on air line. Disconnect solenoid harness connector and remove air spring. To install, reverse removal procedure. Tighten bolt and nut to specification. See TORQUE SPECIFICATIONS .
- Turn off air suspension system. Air suspension switch is located in right kick panel. Raise vehicle on hoist so rear suspension is at full extension. Remove heat shield (if equipped). Disconnect electrical connector and air line from solenoid.
- Remove air spring solenoid clip. Rotate solenoid counterclockwise and remove solenoid from spring. Remove "O" ring from solenoid housing. To install, reverse removal procedure.
Disconnect negative battery cable. Remove passenger's door frame scuff plate. Remove right kick panel. Disconnect electrical harness connector. Remove mounting screws and remove switch. To install, reverse removal procedure. Tighten bracket bolt and specification. See TORQUE SPECIFICATIONS .
Remove air compressor assembly. See AIR COMPRESSOR ASSEMBLY . Push in and twist compressor air drier clockwise to remove from compressor housing. To install, reverse removal procedure. Tighten mounting screw to specification. See TORQUE SPECIFICATIONS .
Turn air suspension system off. Raise and support vehicle. Disconnect wiring harness connector. To disconnect air line from solenoid, depress Red plastic retaining ring and hold firmly while pulling outward on air line. Pry solenoid from frame or remove mounting bolts (as appropriate). To install, reverse removal procedure.
Turn air suspension system off. Bleed air from air suspension system. See INFLATING/DEFLATING AIR SUSPENSION SYSTEM under ADJUSTMENTS. Raise and support front of vehicle. Remove shock absorber lower mounting nut and bolt. To disconnect air line from air shock absorber, depress Red plastic retaining ring and hold firmly while pulling outward on air line. Remove upper mounting nut and grommet. Remove shock absorber. To install, reverse removal procedure. Tighten bolt and nut to specification. See TORQUE SPECIFICATIONS .
Note. GATE SOLENOID may also be referred to as FRONT GATE SOLENOID.
Turn air suspension system off. Disconnect wiring harness connector from front gate solenoid, located in front of A/C condenser. To disconnect air lines from solenoid, depress Red plastic retaining ring and hold firmly while pulling outward on air line. Remove mounting bolts. To install, reverse removal procedure. Tighten nut to specification. See TORQUE SPECIFICATIONS .
Turn air suspension system off. Raise and support vehicle. Disconnect height sensor wiring harness connector. Depress metal tabs and remove height sensor from ball studs. Remove height sensor. To install, reverse removal procedure.