Air Spring Module - Rear - LH (Remove and Replace)

FRT No: 31106002

Warning: If the vehicle has air suspension, activate "Jack" mode on the touchscreen before raising and supporting the vehicle.

Removal

  1. Raise and support the vehicle (refer to procedure).
    Warning: Do not work on an incorrectly supported vehicle.
  2. Depressurize the air spring module (refer to procedure).
  3. Remove the mid aero shield (refer to procedure).
  4. Remove the LH rear wheel arch liner (refer to procedure).
  5. Remove the parking brake caliper (refer to procedure).
  6. Support the rear suspension with a stand.
  7. Remove the bolt that secures the upper link to the knuckle (torque 140 Nm).
  8. Remove the bolt that secures the outer toe link to the knuckle (torque 130 Nm).
  9. Release the bushing from the knuckle, lifting the arm for access.
  10. Remove the nut and bolt that secure the air spring module to the knuckle (torque 140 Nm). Release the air spring module from the suspension knuckle.
  11. Release the clips (x3) that secure the air supply line to the body.
  12. Remove the nuts (x3) that secure the air spring module to the body (red arrows, torque 40 Nm).
  13. Carefully lower the air spring module until the air line connector is accessible. Loosen the nut and disconnect the air line (yellow arrow, torque 5 Nm).
    Caution: Thoroughly clean the air pressure line ports prior to disconnection. Failure to maintain cleanliness will adversely affect system performance.
  14. Remove the air spring module from the vehicle.
    Caution: Take care not to damage component(s).
  15. Remove the nuts (x3) that secure the adapter plate to the air spring module (torque 40 Nm).

Installation

  1. Installation procedure is the reverse of removal, except for the following:
    Caution: Replace all nylon-insert locknuts.
    Caution: Ensure that the bolt that secures the spring assembly to the knuckle is inserted towards the rear of the vehicle; the head of the bolt faces the front of the vehicle and the nut is tightened at the rear.
    Note: Clean the affected areas before installation.
    Caution: Only fully tighten suspension nuts and bolts when the vehicle is on a 4-post lift and the suspension is in the ride height position.
  2. Prior to attaching the air pressure line to the air spring module, ensure that all interfaces are clean to prevent possible leaks.
  3. Pressurize the air spring module (refer to procedure).