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
Remove door handle for access (refer to procedure)
Position handle assembly on a soft working surface.
Remove door handle rear seal.
Remove screws (x4) securing handle grip backplate and remove
(torque 2 Nm).
Removal
Remove the body control module (BCM) (refer to procedure)
Remove the 4 bolts and 1 nut that secure the sunroof controller
mounting bracket to the body (torque 8 Nm).
Carefully turn the mounting bracket over.