Tesla Model S Owners & Service Manuals

Tesla Model S: 3 Way Coolant Valve - Radiator Bypass (Remove and Replace)

Tesla Model S (2012-2024) Service Manual / Thermal Management / 3 Way Coolant Valve - Radiator Bypass (Remove and Replace)

Warning: If the 12V power supply is disconnected, do not attempt to open any doors with door glass in closed position. Failure to follow this instruction could result in door glass shatter.

Note: Before disconnecting the 12V power supply, ensure that the driver's door window is fully open. Failure to follow this instruction could result in vehicle lockout.

Removal

  1. Raise and support the vehicle (refer to procedure).
  2. Disconnect 12V power.
    • Rear wheel drive (RWD): Refer to procedure.
    • Dual Motor: Refer to procedure.
  3. Remove the underhood storage unit for access (refer to procedure).
  4. Position a container to collect the coolant.
  5. Clamp the feed and return coolant hoses (x3).
  6. Release the clips (x3) that secure the coolant hoses to the coolant valve. Release the hoses from the valve.

    3 Way Coolant Valve - Radiator Bypass (Remove and Replace)

  7. Remove the RH front lower wheel arch liner. Refer to the LH front lower wheel arch liner (refer to procedure).
  8. Disconnect the coolant valve connector.
  9. Remove the bolts (x2) that secure the coolant valve to the bracket (torque 5 Nm).

    3 Way Coolant Valve - Radiator Bypass (Remove and Replace)

  10. Remove the coolant valve.
Installation
  1. Installation procedure is the reverse of removal, except for the following: Warning: Only use cleaning agents and solvents in a well-ventilated area. Note: Clean the affected areas before installation.
  2. Refill and bleed the cooling system (refer to procedure).

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