Upper Control Arm

REMOVAL & INSTALLATION

Miata

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Remove or disconnect the following:
   • Wheel
   • Undercover and band for the wheel speed sensor harness
3. Support the lower control arm with a jack.
4. Remove or disconnect the following:
   • Cotter pin
   • Upper ball joint nut by loosening it
   • Ball joint by pressing it from the knuckle
   • Upper ball joint nut
   • Lower strut mounting bolt
   • Upper control arm bolt and nut
   • Upper control arm

   To install:

5. Install the upper control arm.
6. Loosely tighten the bolt and nut.
7. Loosely install the lower strut mounting bolt.
   • Ball joint to the knuckle. Tighten the nut to 31–45 ft. lbs. (42–61 Nm).
   • New cotter pin to ball joint nut
   • Band for the wheel speed sensor and undercover
   • Wheel
8. Tighten the upper control arm bolt/nut to 87–101 ft. lbs. (118–137 Nm) and the lower strut mounting bolt to 54–69 ft. lbs. (73–93 Nm).
9. Check and/or adjust the front wheel alignment.