Air Suspension - Primary Lines Assembly (Remove and Replace)

FRT No: 31104102

Warning: To avoid personal injury, eye protection must be worn when performing this operation.

Removal

  1. Raise and support the vehicle (refer to procedure).
  2. Depressure the air suspension system (refer to procedure).
  3. Disconnect 12V power.
  4. Remove the underhood storage unit (refer to procedure).
  5. Remove the upper front RH wheel arch liner (refer to procedure).
  6. Remove the rear LH and RH wheel arch liners (refer to procedure).
  7. Remove the HV battery assembly (refer to procedure).
  8. Remove the rear subframe assembly (refer to procedure).
  9. Release the fitting from the rear left air spring (torque 5 Nm).
    Caution: Plug the line connection to prevent ingress of moisture or dirt.
  10. Release the air line clips on the frame studs between the rear left and rear right air springs.
  11. Release the fitting from the rear right air spring (torque 5 Nm).
    Caution: Plug the line connection to prevent ingress of moisture or dirt.
  12. Release the air line clips on the frame studs between the rear right and front right air springs.
  13. Release the fitting from the front right air spring (torque 5 Nm).
    Caution: Plug the line connection to prevent ingress of moisture or dirt.
  14. Release the air line clips between the front right air spring and the valve block.
  15. Release the RR, LR, and FR fittings from the valve block (torque 3.5 Nm).
    Caution: Plug the line connection to prevent ingress of moisture or dirt.

Installation

Installation procedure is the reverse of removal, except for the following:
  • Install new fittings into the air springs and valve block before installing the air lines.
    Note: Ensure that the collet is 4.3 mm from the end of the air line to prevent air pressure restriction.