Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Chiller and EXV Assembly- Remove

Tesla Model 3 2017-2025 Service Manual / Thermal Management / Refrigerant System / Chiller and EXV Assembly (Remove and Replace) / Chiller and EXV Assembly- Remove

Chiller and EXV Assembly (Remove and Replace)

Remove

  1. Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).
  2. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  3. Recover the A/C refrigerant. See A/C Refrigerant (Recovery and Recharge).

Note: Recover the refrigerant while continuing this procedure.

  1. Disconnect 12V power. See 12V Power (Disconnect and Connect).

Chiller and EXV Assembly- Remove

  1. Disconnect the electrical harness from the coolant temperature sensor connector.
  2. Release the clip that attaches the electrical harness to the chiller and EXV assembly hose, and then remove the electrical harness from the hose.

Chiller and EXV Assembly- Remove

  1. Release the clip that attaches the battery vent hose to the chiller and EXV assembly hose, and then remove the battery vent hose from the chiller and EXV assembly hose.
  2. Place a coolant drain under the chiller and EXV assembly, and absorbent material under the chiller and EXV assembly hose fitting.

Chiller and EXV Assembly- Remove

  1. Release the clip that attaches the coolant hose to the chiller and EXV assembly, and then remove the hose from the chiller and EXV assembly.
  2. Immediately install plugs into the male and female fittings of the chiller and EXV assembly and hose to prevent further coolant loss.

Chiller and EXV Assembly- Remove

  1. Disconnect the electrical harness from the chiller and EXV assembly connector.

Chiller and EXV Assembly- Remove

  1. Disconnect the electrical harness from the low pressure transducer connector.

Chiller and EXV Assembly- Remove

  1. Remove the bolt that attaches the suction/liquid line bracket to the shock tower brace, and then separate the bracket from the brace.

Note: Make sure that the refrigerant has fully recovered before continuing this procedure.

Chiller and EXV Assembly- Remove

  1. Remove the bolt that attaches the suction/liquid line to the chiller and EXV assembly, and then remove the line from the chiller and EXV assembly.
  2. Remove and discard the o-rings from the suction/liquid line fitting.

Chiller and EXV Assembly- Remove

  1. Remove the bolts (x3) that attach the chiller and EXV assembly to the superbottle, and then remove the chiller and EXV assembly from the superbottle.

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