Tesla Model S: TXV Valve - Chiller (Remove and Replace)
Removal
- Recover refrigerant from the vehicle (refer to procedure).
- Remove the front skid plate (refer to procedure).
- Remove the nut that secures the pipe retaining plate to the TXV
(torque 12 Nm).
- Disconnect the refrigerant pipes from the TXV.
Caution: Plug pipe connections to prevent ingress of
moisture or dirt.
Caution: Remove and discard O-rings.
- Disconnect the TXV solenoid valve connector.
- Remove the bolts (x2) that secure the TXV to the battery chiller
(torque 6 Nm).
- Remove the TXV from the battery chiller.
Installation
- Installation procedure is the reverse of removal, except
for the following:
- Replace the A/C pipe O-rings.
Caution: Lubricate new O-rings with clean refrigerant
oil.
- Replace the battery chiller O-rings.
- 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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Removal
Recover refrigerant from the vehicle (refer to procedure).
Remove the underhood storage unit (refer to procedure).
Disconnect the electrical connector from the pressure
tr
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
shat
Refill
Caution: Use the specified coolant only. In this manual, refer
to General Information > Capacities, Fluids, and Lubricants >
Fluids.
Remove the coolant reservoir cap (r
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Removal
Raise and support the vehicle (refer to procedure).
Depressure the air suspension system (refer to procedure).
In the front left wheel well, remove the front portion of the
lower wheel arch liner (refer to procedure).
Release the fitting from the front left air spring (
Warning: Only technicians who have been trained in High
Voltage Awareness are permitted to perform this procedure. Proper
personal protective equipment (PPE) and insulating HV gloves with a
minimum rating of class 00 (500V) must be worn any time a high
voltage cable is handled. Refer