Lincoln Aviator 2020-2022 Service Manual / Chassis / Suspension / Front Suspension - RWD / Removal and Installation - Front Lower Arm

Lincoln Aviator: Front Suspension - RWD / Removal and Installation - Front Lower Arm

Special Tool(s) / General Equipment

204-592
Separator, Lower Arm Ball Joint
TKIT-2006C-FFMFLM
TKIT-2006C-LM
TKIT-2006C-ROW
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.

  1. Measure the distance from the center of the hub to the lip of the fender with the vehicle in a level, static ground position (curb height).
  1. Remove the wheel and tire.
    Refer to: Wheel and Tire (204-04A Wheels and Tires, Removal and Installation).
  1. NOTICE: Do not use power tools to remove or install the lower arm outboard nut. Damage to the ball joint or ball joint seal may occur.

    NOTE: Use the TORX PLUS® holding feature to prevent the ball stud from turning while removing or installing the lower arm outboard nut. Torx® and TORX PLUS® is a reg. tm of Acument Intellectual Properties, LLC.

    Remove and discard the front lower arm outboard nut.
  1. NOTICE: Do not use a hammer, prying device, or separator fork to separate the ball joint from the wheel knuckle. Damage to the ball joint or ball joint seal may occur.

    NOTICE: Use care when releasing the lower arm and wheel knuckle into the resting position. Damage to the ball joint or ball joint seal may occur.

    Separate the front lower arm from the wheel Knuckle.
    Use Special Service Tool: 204-592  Separator, Lower Arm Ball Joint.
  1. Remove and discard the front lower arm-to-frame bolt and remove the front lower arm.

Installation

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. NOTE: Make sure that the mating wheel knuckle face is clean and free of foreign material.

    Before installing a new front lower arm, inspect the knuckle to make sure it is clean and free of foreign material.
  1. NOTE: Only tighten the nuts and bolts finger tight at this stage.

    Position the front lower arm and install the new front lower arm-to-frame bolt.
  1. NOTICE: Do not use power tools to remove or install the lower arm outboard nut. Damage to the ball joint or ball joint seal may occur.

    NOTE: Use the TORX PLUS® holding feature to prevent the ball stud from turning while removing or installing the lower arm outboard nut. Torx® and TORX PLUS® is a reg. tm of Acument Intellectual Properties, LLC.

    1. Attach the front lower arm to the wheel knuckle.
    1. Install the new front lower arm outboard nut.
      Torque: 76 lb.ft (103 Nm)
  1. Use a suitable jack to raise the suspension until the distance between the center of the hub and the lip of the fender is equal to the measurement taken during removal (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.

    Tighten the front lower arm-to-frame bolt and nut.
    Torque: 221 lb.ft (300 Nm)
  1. Install the wheel and tire.
    Refer to: Wheel and Tire (204-04A Wheels and Tires, Removal and Installation).
  1. Check and if necessary adjust front toe.
    Refer to: Front Toe Adjustment (204-00 Suspension System - General Information, General Procedures).
    Refer to: Front Toe Adjustment - Vehicles With: Adaptive Steering (204-00 Suspension System - General Information, General Procedures).
  1. If equipped with dynamic suspension, calibrate the suspension system. Connect the scan tool and carry out the Ride Height Calibration routine. Follow the scan tool directions.

    Description and Operation - Front Suspension - Overview

    Overview The RWD front suspension consists of the following components: Front and rear lower arms Rear lower arm ball joints Stabilizer bar, bushings and links Ride height sensors (Vehicles with Continuously Controlled Damping (CCD) Suspension) Passive or dynamically controlled shock absorber and spring assembly (Continuously Controlled Damping (CCD)) Upper control arms Wheel bearings and wheel hubs Wheel knuckles Wheel studs The front suspension uses a double ball joint short long arm suspension system...

    Removal and Installation - Front Stabilizer Bar

    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...

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