Upper
UPPER CONTROL ARM AND BUSHING REPLACEMENT
Remove or Disconnect
- Raise the vehicle and support it with a suitable safety stands.
1. Tire and wheel.
2. Air cleaner extension, if needed.
3. Brake hose.
- Nut (141) and the screw (143).
- Bracket (142) and the hose.
- Tie the hose out of the way.
4. Cotter pin.
5. Nut (129).
6. Upper control arm (101) from the knuckle (117).
7. Nuts (145).
8. Bolts (140).
9. Upper control (101).
10. Bushings (146).
Notice: When fasteners are removed, always reinstall them at the same location from which they were removed. If a fastener needs to be replaced, use the correct part number for that application. If the correct part number fastener is not available, a fastener of equal size and strength (or stronger) may be used. Fasteners that are not reused and those requiring thread locking compound will be called out. The correct torque� value must be used when installing fasteners that require it. If the above conditions are not followed, parts or system damage could result.
Install or Connect
1. Bushings (146).
2. Upper control arm (101) to the frame (95).
3. Bolts (140) and the washers.
- Be sure the bolt heads are opposed inside the bracket.
4. New nuts (145).
Tighten
- Tighten the front nut prior to tightening the rear nut.
- Nuts (145) to 190 Nm (140 ft. lbs.).
- The nuts (145) must be tightened with the control arm at "Z" Height.
5. Upper ball joint (115) stud to the knuckle (117).
6. Nut (129) to the upper ball joint (115) stud.
Tighten
- Nut (129) to 115 Nm (84 ft. lbs.).
- Tighten the nut to align the cotter pin. Do not tighten more than 1/6 turn.
7. New cotter pin.
- Bend the cotter pin ends against the nut flats.
- Remove the support from the knuckle.
8. Brake hose.
- Bracket (142) and the hose.
- Screw (143) and the nut.
9. Air cleaner extension, if needed.
10. Tire and wheel.
- Lower the vehicle.