Chevrolet Cobalt Service & Repair Manual: Ball Joint, Replace


1. Remove control arm.
2. Secure control arm in a suitable vise.
3. Drill out three rivets retaining ball joint to lower control arm. Install a 1/8 inch bit in order to make a pilot hole through rivets. Complete drilling rivets using suitable 1/2 drill bit, Fig. 1.
4. Remove ball joint from control arm, Fig. 1.
5. Reverse procedure to install, noting the following:
  a. Torque wheel lug nuts to 100 ft. lbs.
  b. Torque ball joint to control arm to 50 ft. lbs.
  c. Torque control arm to front frame bolts to 41 ft. lbs.
  d. Torque control arm to rear frame bolts to 74 ft. lbs.

Fig. 1 Control arm mounting bolt removal

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