Control Arm: Service and Repair

REMOVAL
1. Hoist vehicle.





2. Remove wheels.





3. Support axle housing by using floor jack.





4. Remove upper arm ball joint bracket from differential carrier.





5. Remove upper arm front bolts and upper arm.





6. Remove split pin.





7. Remove ball joint castle nut as shown.





8. Using bearing puller, remove bracket from ball joint stud bolt.





9. Remove ball joint boot set ring and ball joint boot.





10. To replace upper arm front bush, remove flange (made of rubber) inside of it by cutting all around it with knife.





Then remove bush by using oil hydraulic press and special tool (A).

Special Tool (A): 09951-16040 or equivalent.

INSTALLATION
Install in reverse order of removal procedure, taking note of following items.





1. To facilitate work, apply water or soap water around bush before installing it. Then press-fit it into upper arm by using special tools as in removal.

Special Tool (A): 09951-16040 or equivalent.





2. When installing ball joint boot, be sure to fit boot set wire into ring groove in boot.





3. After installing ball joint bracket to ball joint stud bolt, tighten castle nut till split pin hole in stud bolt aligns with slot in nut but within range of specified torque.

Tightening Torque (a): 58 Nm (42.0 ft. lbs.)





4. Install new split pin and bend split pin securely as shown.





5. Install front side of upper arm to vehicle body. Refer to figure for proper installing direction of right and left bolts. Nuts should not be tightened.
6. Use floor jack under differential carrier to support axle housing and facilitate job in step 7.





7. Install ball joint bracket to differential carrier and tighten bolts to specified torque.

Tightening Torque (b): 50 Nm (36.5 ft. lbs.)

8. Remove floor jack from differential carrier.





9. With vehicle hoisted, tighten upper arm front nuts (right & left) to specified torque.

NOTE: Be sure that no load is applied to suspension when tightening front nuts.

Tightening Torque (c): 90 Nm (65.0 ft. lbs.)





10. Install wheels and tighten wheel nuts to specified torque.

Tightening Torque (d): 95 Nm (72.0 ft. lbs.)

11. Lower hoist.