19/12/2024 05:38:51

Pipe - Low Pressure - Charge Port (Remove and Replace)

Correction Code 18204302

  1. 2024-12-19: Added Note on separately adding correction code 18200102.
Informational PurposesAn informational icon, calling your attention
Note
This procedure requires the A/C Refrigerant (Recovery and Recharge) procedure to be performed. If not already automatically added to the Service Visit, add correction code 18200102 as a separate activity to the Service Visit.

Removal

  1. Recover refrigerant from the vehicle. See A/C Refrigerant Recovery and Recharge (Remove and Replace).
  2. Remove the underhood storage unit (refer to procedure).
  3. Disconnect the low pressure temperature transducer connector.
  4. Remove the bolt that secures the low pressure pipe to the compressor (torque 15 Nm).
  5. Remove the nut that secures the pipe retaining plate to the evaporator TXV (torque 6 Nm).
  6. Remove the bolt that secures the A/C pipe bracket to the cross-brace (torque 6 Nm).
  7. Release the low pressure charge port pipe from the bracket.
  8. Remove the bolt that secures the low pressure charge port pipe at the union to the low pressure chiller pipe (torque 8 Nm).
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Plug pipe connections to prevent ingress of moisture or dirt.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Remove and discard O-rings.
  9. Remove the bolts (x2) that secure the A/C pipe brackets to the crossmember and the RH shock tower (torque 6 Nm).
  10. Release the low pressure charge port pipe from the brackets (x2).
  11. Maneuver and remove the pipe.

Installation

Installation procedure is the reverse of removal, except for the following:
  • Replace the A/C pipe O-rings.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Lubricate new O-rings with clean refrigerant oil.
  • If the new pipe does not have a low pressure temperature transducer, install a refrigeration pressure sensor dummy plug on the vehicle-side electrical harness connector.
  • Recharge the A/C refrigerant. See A/C Refrigerant Recovery and Recharge (Remove and Replace).
  • Perform a Cooling System Thermal Test. See Cooling System - Thermal Test.