Lincoln Aviator 2020-2021 Service Manual / Chassis / Suspension / Rear Suspension / Removal and Installation - Wheel Knuckle

Lincoln Aviator: Rear Suspension / Removal and Installation - Wheel Knuckle

Removal

NOTICE: Suspension fasteners are critical parts that affect the performance of vital components and systems. Failure of these fasteners may result in major service expense. Use the same or equivalent parts if replacement is necessary. Do not use a replacement part of lesser quality or substitute design. Tighten fasteners as specified.

  1. Remove the lower arm vertical link.
    Refer to: Lower Arm Vertical Link (204-02 Rear Suspension, Removal and Installation).
  1. NOTE: If equipped with dynamic suspension.


    • Disconnect the rear ride height sensor electrical connector and separate the wiring harness guide.
    • Remove the rear ride height sensor arm anchor plate bolt.
  1. Disconnect the rear shock absorber electrical connector.
  1. Remove and discard the rear shock absorber lower nut.
  1. Remove the wheel bearing and wheel hub.
    Refer to: Wheel Bearing and Wheel Hub (204-02 Rear Suspension, Removal and Installation).
  1. Remove the bolts and the brake disc shield..
    1. Remove the wheel speed sensor bolt and position the wheel speed sensor aside.
    1. Remove the brake hose bracket bolt and position the brake hose bracket aside.
  1. Support the halfshaft.
    1. Remove and discard the toe link-to-wheel knuckle bolt and nut.
    1. Remove and discard the upper arm-to-wheel knuckle bolt and nut.
    1. Support the halfshaft and remove the wheel knuckle.

Installation

  1. NOTICE: Tighten the suspension fasteners with the weight of the vehicle on the wheels and tires or use a suitable jack to raise the suspension to curb height or damage to the bushings may occur.

    1. Position the wheel knuckle and install the new upper arm-to-wheel knuckle bolt and nut.
      Torque: 76 lb.ft (103 Nm)
    1. Install the new toe link-to-wheel knuckle bolt and nut.
      Torque: 129 lb.ft (175 Nm)
    1. Position the brake hose bracket and install the brake hose bracket bolt.
      Torque: 133 lb.in (15 Nm)
    1. Position the wheel speed sensor and install the wheel speed sensor bolt and wiring harness clip.
      Torque: 133 lb.in (15 Nm)
  1. Install the brake disc shield.
    Torque: 159 lb.in (18 Nm)
  1. Install the wheel bearing and wheel hub.
    Refer to: Wheel Bearing and Wheel Hub (204-02 Rear Suspension, Removal and Installation).
    1. Position the rear shock absorber and hold the flag portion of the taper pin.
    1. Install the new rear shock absorber lower nut.
      Torque: 59 lb.ft (80 Nm)
  1. Connect the rear shock absorber electrical connector.
  1. NOTE: If equipped with dynamic suspension.


    • Intsall the rear ride height sensor arm anchor plate bolt.
      Torque: 22 lb.ft (30 Nm)
    • Connect the rear ride height sensor electrical connector and position the wiring harness guide.
  1. Install the lower arm vertical link.
    Refer to: Lower Arm Vertical Link (204-02 Rear Suspension, Removal and Installation).
  1. Check and if necessary adjust rear toe.
    Refer to: Rear Toe Adjustment (204-00 Suspension System - General Information, General Procedures).
  1. NOTE: If equipped with continuous controlled damping (CCD) suspension.

    Calibrate the suspension height sensor. Connect the scan tool and carry out the Ride Height Calibration routine. Follow the scan tool directions.

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