502-00 Uni-Body, Subframe and Mounting System 2013 - 2014 MKZ
Removal and Installation Procedure revision date: 08/1/2013

Front Subframe

Removal

All vehicles

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. NOTICE: Disconnect the battery ground cable anytime the steering gear is being serviced or damage to the steering gear internal power relay may occur resulting in steering gear replacement.

    Refer to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables, General Procedures).
  1. Steering wheel in straight ahead position.
  1. WARNING: Do not reuse steering column shaft bolts. This may result in fastener failure and steering column shaft detachment or loss of steering control. Failure to follow this instruction may result in serious injury to vehicle occupant(s).

  1. Refer to: Wheel and Tire (204-04B Wheels and Tires, Removal and Installation).
  1. If equipped.
  1. If equipped.
  1. NOTE: Index-mark the subframe for reference during installation.

    On both sides.
  1. NOTICE: Do not use a hammer to separate the outer tie-rod end from the wheel knuckle or damage to the wheel knuckle may result.

    NOTICE: Use care when installing the tie rod separator or damage to the outer tie-rod end boot may occur.

    On both sides.
  1. NOTE: The stabilizer bar links are designed with low friction ball joints that have a low breakaway torque.

    NOTE: Use the hex-holding feature to prevent the ball stud from turning while removing or installing the stabilizer bar link nut.

    On both sides.
  1. NOTICE: The front suspension height sensor must be disconnected from the lower control arm prior to servicing suspension components or damage to the suspension height sensor and/or the vehicle dynamic suspension system may occur. The sensor will need to be recalibrated after reassembly.

    If equipped. On both sides.
  1. NOTICE: Do not use a prying device or separator fork between the ball joint and the wheel knuckle. Damage to the ball joint or ball joint seal may result. Only use the pry bar by inserting it into the lower arm body opening.

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

    On both sides.
  1. If equipped.
  1. If equipped.

Vehicles equipped with 3.7L Duratec

  1. Refer to: Exhaust Y-Pipe (309-00B Exhaust System - 3.7L Duratec (227kW/301PS), Removal and Installation).

All vehicles

  1. Special Tool(s) : 300-OTC1585AE Powertrain Lift
    General Equipment : Wooden Block
  1. Special Tool(s) : 300-OTC1585AE Powertrain Lift
    General Equipment : Wooden Block

Installation

All vehicles

  1. Special Tool(s) : 300-OTC1585AE Powertrain Lift
    General Equipment : Wooden Block
  1. NOTE: Align reference marks made during removal.

    Finger tight at this stage.
  1. Finger tight at this stage.
  1. NOTE: While tightening the subframe bolts, make sure the front subframe does not move.

    Torque : 235 Nm
  1. NOTE: While tightening the subframe bolts, make sure the front subframe does not move.

    Torque :
    1  
      Stage 1:  103 Nm
      Stage 2:  270°
    2   60 Nm

Vehicles equipped with 3.7L Duratec

  1. Refer to: Exhaust Y-Pipe (309-00B Exhaust System - 3.7L Duratec (227kW/301PS), Removal and Installation).

All vehicles

  1. If equipped.
    Torque : 25 Nm
  1. Torque : 45 Nm
  1. If equipped.
  1. Material : Threadlock 262 / TA-26 (WSK-M2G351-A6)
    Torque : 115 Nm
  1. Torque : 103 Nm
  1. If equipped. On both sides.
    Torque : 20 Nm
  1. NOTE: The stabilizer bar links are designed with low friction ball joints that have a low breakaway torque.

    NOTE: Use the hex-holding feature to prevent the ball stud from turning while removing or installing the stabilizer bar link nut.

    On both sides.
    Torque : 115 Nm
  1. On both sides.
    Torque : 150 Nm
  1. Torque : 20 Nm
  1. If equipped.
  1. If equipped.
  1. Refer to: Wheel and Tire (204-04B Wheels and Tires, Removal and Installation).
  1. WARNING: Do not reuse steering column shaft bolts. This may result in fastener failure and steering column shaft detachment or loss of steering control. Failure to follow this instruction may result in serious injury to vehicle occupant(s).

    Torque : 25 Nm
  1. Refer to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables, General Procedures).
  1. Refer to: Front Toe Adjustment (204-00 Suspension System - General Information, General Procedures).
  1. If equipped with dynamic suspension, calibrate the suspension height sensor. Connect the scan tool and carry out the Ride Height Calibration routine. Follow the scan tool directions.