Mopar 52121586AD Upper Control Arm

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Start by loosening the wheel lug nuts and raising the vehicle on jackstands. Remove the wheel and then loosen the nut on the upper balljoint stud. Use a balljoint removal tool to disconnect the balljoint from the steering knuckle. If you don't have the proper tool, a picklefork type balljoint separator can be used, but it may damage the balljoint boot. If necessary, remove the brake disc for clearance. Detach the wiring harness from the control arm. Remove the nuts and pivot bolts that attach the control arm to the frame. Pull the upper arm from its frame brackets.

To install, tighten all fasteners, but don't tighten the pivot bolt nuts until the vehicle is sitting at normal ride height. For 4WD models, follow similar steps, including removing the wheel, driveaxle, and stabilizer bar. Remove the lower shock absorber bolt and disconnect the balljoint from the steering knuckle. Remove the lower control arm pivot bolts and pull the lower arm from its frame brackets. Installation is the reverse of removal, ensuring all fasteners are tightened and the pivot bolt nuts are tightened at normal ride height.

This procedure is for models with independent front suspension. To remove the control arm, start by loosening the wheel lug nuts and raising the vehicle on jackstands. Remove the wheel and then loosen the nut on the upper balljoint stud. Use a balljoint removal tool to disconnect the balljoint from the steering knuckle. If you don't have the proper tool, a picklefork type balljoint separator can be used, but it may damage the balljoint boot. If necessary, remove the brake disc for clearance. Detach the wiring harness from the control arm. Remove the nuts and pivot bolts that attach the control arm to the frame. Pull the upper arm from its frame brackets. To install the control arm, reverse the removal steps. Tighten all fasteners, but don't tighten the pivot bolt nuts until the vehicle is at normal ride height. If needed, simulate normal ride height by raising the outer end of the lower control arm with a floor jack. Install the wheel and lug nuts, lower the vehicle, and tighten the lug nuts. Finally, have the front end alignment checked and adjusted if necessary.

To install, tighten all fasteners, but don't tighten the pivot bolt nuts until the vehicle is sitting at normal ride height. For 4WD models, follow similar steps, including removing the wheel, driveaxle, and stabilizer bar. Remove the lower shock absorber bolt and disconnect the balljoint from the steering knuckle. Remove the lower control arm pivot bolts and pull the lower arm from its frame brackets. Installation is the reverse of removal, ensuring all fasteners are tightened and the pivot bolt nuts are tightened at normal ride height.