Removal (Front)
- Turn air suspension off. Turn ignition switch to the UNLOCKED position. Raise vehicle on hoist. See REPAIR PRECAUTIONS . Remove wheel and tire assembly. Remove height sensor. See HEIGHT SENSOR .
- Remove and discard upper spindle-to-ball joint pinch bolt and nut. Spread spindle slot, and remove ball joint. Break off flags on upper control arm pivot bolt heads. Using a 6-point socket, remove upper control arm bolts and control arm.
CAUTION:
If upper control arm is to be reused use care not to damage ball joint boot seal. Boot seal is not serviced separately, entire control arm must be replaced.