D50 4WD L4-156 2556cc 2.6L VIN 7 2-bbl (1982)
Ball Joint: Service and Repair
Lower Ball Joint Replacement
UPPER BALL JOINT
Ram 50 4 X 2
1. Remove upper control arm.
2. Remove snap ring and dust cover from ball joint, then using tools Nos. MB990799 and MB990800, press ball joint from arm.
3. Using a torque wrench, check torque required to start upper ball joint in motion. The torque required should be 0.6-2.5 ft. lbs. Inspect ball joint
cover for wear and damage.
4. If ball joint is to be reused, lubricate with grease.
5. Align ball joint and control alignment marks, then press ball joint into control arm using tools Nos. MB990799 and MB990800. The initial
pressure to install the ball joint to a depth of 0.12-0.24 inch is 1550 lbs. or above. If standard pressure is not obtained when pressing in ball
joint, replace ball joint and/or control arm as necessary.
6. Using snap ring pliers, position snap ring into groove on ball joint case.
7. Install dust cover and ring into groove on ball joint.
8. Install upper control arm as outlined.
Ram 4 X 4
The following procedures are given for control arms removed from vehicle.
1. Remove rebound stop. Remove ring, dust cover and snap ring from upper ball joint.
2. Remove upper ball joint using tool Nos. MB990799 and MB990800.
3. Reverse procedure to install. Align ball joint and control alignment marks and press ball into upper arm using tool Nos. MB990799 and
MB990800. Initial pressure to install ball joint to a depth of 0.12-0.24 inch is 1500 lbs. minimum. If minimum ball joint pressure is not obtained
when pressing in ball joint, replace ball joint or upper arm as necessary.
LOWER BALL JOINT
Ram 50 4 X 2
1. Remove lower control arm as outlined.
2. Remove snap ring and dust cover from ball joint.
3. Remove ball joint to lower control arm attaching bolts, then remove ball joint.
4. Check ball joint for axial play. Ball joint axial play should not exceed 0.02 inch.
5. Lubricate ball joint with grease, then install ball joint dust cover and snap ring.
6. Position ball joint on lower control arm, then install attaching bolts and torque to 22-30 ft. lbs.
7. Install lower control arm as outlined.
Ram 4 X 4
The following procedures are given for control arms removed from vehicle.
1. Remove four lower ball joint retaining nuts and remove lower ball joint.
2. Reverse procedure to install. Torque lower ball joint to lower arm nuts to 40-54 ft. lbs.
