Ford BE5Z-3079-A
Rear Lower Control Arm, Front Driver Side

The spring needs removal before beginning lower control arm service and repair work. All suspension fasteners carry essential importance in system performance since their breakdown results in expensive service costs. To replace parts use the identical part number because using inferior parts is forbidden. You should follow torque specifications throughout the reassembly process to ensure retaining strength. Continuation of repairs starts with disposing of the cam adjuster nut where it will be followed by removal of the cam adjuster and cam bolt and lower arm. The installation requires fastener tightening at 101 Nm (74 ft. lbs.) while maintaining the bushing fastener tightening position of the suspension. The suspension must be lifted with proper jacking until the hub center measures exactly 395 mm (15.55 inches) from the fender lip before beginning any fastener tightening on suspension bushings. To complete the installation just reverse the procedure from removal.

A proper service or repair of the lower control arm involves starting with spring removal. Remove and discard the cam adjuster nut followed by the cam adjuster and cam bolt and lower arm itself from the system. Before installation of the new parts the technician should use components with identical part numbers or equivalent quality ratings then torque the cam adjuster nut to 101 Nm (74 lb-ft) when positioning the suspension at its fastener tightening position. A suitable jack should lift the suspension until the center of the hub stands 395 mm (15.55 in) from the edge of the fender in order to prevent improper clamp force and damage to the bushings. Adjust the cam adjuster nut to full tightness only after checking and setting the rear alignment if needed. Reinstallation requires positioning the cam bolt together with the cam adjuster so their cams point upward before proceeding with the opposite sequence of removal steps.

Tighten the shock absorber lower nut to 90 Nm (66 lb-ft).

Reinstall the wheel speed sensor harness bolt, tightening it to 23 Nm (17 lb-ft), followed by the wheel speed sensor bolt, also tightened to 23 Nm (17 lb-ft).

Adjust the shock absorber as necessary to facilitate the removal of the upper arm.

Carefully lower the trailing arm and remove the jack.

Do not fully tighten the cam adjuster nut until the rear alignment has been checked and adjusted if necessary.

Remove it, discard it, and install a new bolt, tightening it to 110 Nm (81 lb-ft) followed by an additional 90 degrees.

Always use new parts with the same part numbers or equivalent, as using lesser quality or substitute designs can lead to performance issues and increased service costs.

Reverse the removal procedure for installation and check the rear camber, adjusting if necessary.