Lincoln Aviator 2020-2021 Service Manual / Chassis / Suspension / Rear Suspension / Removal and Installation - Upper Arm

Lincoln Aviator: Rear Suspension / Removal and Installation - Upper Arm

Special Tool(s) / General Equipment

Vehicle/Axle Stands

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.

NOTE: Removal steps in this procedure may contain installation details.

  1. Remove the wheel and tire.
    Refer to: Wheel and Tire (204-04A Wheels and Tires, Removal and Installation).
  1. NOTICE: Do not attempt to jacking on the front control arm or rear control arm on any vehicle. Damage to control arms may occur.

    NOTICE: Make sure that the insulator pads are correctly positioned to prevent direct contact with other components.

    Raise the suspension to curb height.
    Use the General Equipment: Vehicle/Axle Stands
  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.

    NOTE: Only tighten the nuts and bolts when the suspension is in the normal drive position.

    1. Remove and discard the upper arm-to-wheel knuckle bolt and nut.
      Torque: 76 lb.ft (103 Nm)
    1. Remove and discard the upper arm-to-frame bolt and nut and remove the upper arm.
      Torque: 129 lb.ft (175 Nm)

Installation

  1. To install, reverse the removal procedure.
  1. Check and if necessary adjust rear camber.
    Refer to: Rear Camber Adjustment (204-00 Suspension System - General Information, General Procedures).

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    Seatbelt Height Adjustment

    WARNING: Position the seatbelt height adjuster so that the seatbelt rests across the middle of your shoulder. Failure to adjust the seatbelt correctly could reduce its effectiveness and increase the risk of injury in a crash.

    Adjust the height of the shoulder belt so the belt rests across the middle of your shoulder. Slide the adjuster up to raise the belt. Press the button and slide it down to lower the belt.

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