K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
3. Lower stud nut (67) and new cotter pin (68).
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Tighten stud nut (67) to 128 N-m (94 lbs.ft.).
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Align the slot in the stud nut with the hole in the stud by tightening the stud nut.
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Bend the pin ends against the nut.
4. New upper ball joint (66) to the knuckle.
5. Upper stud nut (67) and new cotter pin (68).
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Tighten stud nut (67) to 100 N-m (75 lbs.ft.).
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Align the slot in the stud nut with the hole in the stud by tightening the stud nut.
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Bend the pin ends against the stud nut.
6. Brake rotor and caliper.
7. Brake line support (86) to upper control arm (42).
8. Wheel and tire assembly.
9. Repeat above procedure on opposite side of vehicle.
MAINTENANCE-FREE BALL JOINT REPLACEMENT, UPPER ONLY: 1990 C TRUCK
Required Tools:
J 23742 Ball Joint Separator
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Raise vehicle and support it with safety jack stands.
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Support lower control arm with a jack and secure spring with a safety chain.
CAUTION: Jack or stand must remain under the lower control arm spring seat during removal and Installation to retain the spring and control arm in
position.
Remove (figure 2)
1.
Wheel and tire assembly.
2.
Brake line support (86) from upper control arm (42).
3.
Brake caliper and rotor.
Important
Support the caliper with a piece of wire to prevent damage to the brake line.
4. Cotter pin (68) and stud nut (67) from the upper ball joint (66).
5. Upper ball joint (66) from knuckle.
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Support the knuckle assembly.