Envoy 2WD V6-4.3L VIN W (1998)
Ball Joint: Service and Repair
Upper
REMOVAL PROCEDURE
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Tools Required:
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J 23742 Ball Joint Separator
CAUTION: Floor jack must remain under the control arm spring seat during removal and installation to retain the spring and control arm
in position. Failure to do so could result in personal injury.
1. Raise the vehicle. Support the lower control arm with floor stands.
2. Because the weight of the vehicle is used to relieve spring tension on the upper control arm, position the floor stands between the spring seats and
the ball joints of the lower control arms.
3. Remove the tire and wheel assembly.
NOTICE: Support the caliper with a piece of wire to prevent damage to the brake line.
4. Remove the brake caliper.
5. Remove the cotter pin.
6. Remove the stud nut from the upper ball joint.
7. Use the J 23742 as shown.
8. Apply pressure on the tool until the stud breaks loose.
9. Remove the J23742 .
10. Pull the stud away from the knuckle.
11. Support the knuckle assembly so that the knuckle weight does not damage the brake hose.
12. Remove the antilock brake sensor wire bracket.
13. Remove the rivets from the upper ball joint.
14. Use a 3.175 mm (1/8 in) drill in order to cut a 6.35 mm (1/4 in) deep hole in the center of each rivet.
