Tesla Model S Owners & Service Manuals

Tesla Model S: TXV Valve - Chiller (Remove and Replace)

Tesla Model S (2012-2024) Service Manual / Thermal Management / TXV Valve - Chiller (Remove and Replace)


  1. Recover refrigerant from the vehicle (refer to procedure).
  2. Remove the front skid plate (refer to procedure).
  3. Remove the nut that secures the pipe retaining plate to the TXV (torque 12 Nm).

    TXV Valve - Chiller (Remove and Replace)

  4. Disconnect the refrigerant pipes from the TXV. Caution: Plug pipe connections to prevent ingress of moisture or dirt. Caution: Remove and discard O-rings.
  5. Disconnect the TXV solenoid valve connector.
  6. Remove the bolts (x2) that secure the TXV to the battery chiller (torque 6 Nm).

    TXV Valve - Chiller (Remove and Replace)

  7. Remove the TXV from the battery chiller.
  1. Installation procedure is the reverse of removal, except for the following:
  2. Replace the A/C pipe O-rings. Caution: Lubricate new O-rings with clean refrigerant oil.
  3. Replace the battery chiller O-rings.
  4. If the new TXV does not have a solenoid, install a coolant valve dummy plug on the vehicle-side electrical harness connector.


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