Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Powertrain Coolant - Drain

Tesla Model 3 2017-2024 Service Manual / Rear Drive Unit / Rear Drive Inverter / Powertrain Coolant (Drain and Refill) / Powertrain Coolant - Drain

SPECIAL TOOLS

Drive Unit Pressure Test Fixture (1053600-00-C)

Kit, Coolant Leak Test Adapters, Model 3 (1132185-00-B)

Kit, Coolant Drain & Fill Adapters, M3 (1133843-00-A)

Kit, Svc Plug, Cooling Hose, Model 3 (1135762-00-A)

Kit, Battery Coolant Drain and Fill (GSN-TL-000564)

Drain

  1. Disconnect 12V power. See 12V Power (Disconnect and Connect).
  2. Remove the front HV battery skid plate. See Skid Plate - HV Battery - Front (Remove and Replace).

  Powertrain Coolant - Drain

  1. Remove the lower clips (x3) that attach the lower rear edge of the RH wheel arch liner to the body, to allow access to the coolant hose.
  2. Position a coolant drain under the front RH corner of the HV battery.

  Powertrain Coolant - Drain

  1. Disconnect the rear powertrain supply hose at the RH side of the vehicle, plug the male fitting, and allow the female fitting to drain.
  2. Connect the coolant pressure test adapter to the female fitting.
  3. Connect the drive unit pressure test fixture to the coolant pressure test adapter.
  4. Close both valves P1 (inlet) and P2 (outlet) on the test fixture, and connect a compressed air supply line.
  5. Fully close the regulator, and then open P1 (inlet valve).
  6. Set the pressure regulator of the test fixture to 26 psi.

  Powertrain Coolant - Drain

  1. Disconnect the powertrain return hose at the RH side of the vehicle, plug the female fitting, and allow the male fitting to drain.
  2. Connect the coolant drain adapter to the male connector, and direct the tube to the coolant drain.
  3. Slowly open P2 (outlet valve) to speed the drain.
  4. Wait at least 5 minutes for the coolant to fully drain.
  5. Close P2 (outlet valve) when no more coolant is expelled.
  6. Disconnect the air supply from the test fixture.
  7. Remove the coolant pressure test adapter and coolant drain adapter from the hoses
  8. Perform the service procedures that required the powertrain coolant to be drained.
  9. After the components have been replaced, refill the coolant. See Refill.

    READ NEXT:

     Powertrain Coolant - Refill

    Refill Remove the plugs from the hoses.  

     Rear Gearbox and Halfshafts

     Breather - Rear Drive Unit (Remove and Replace)

    Remove Remove the rear subframe assembly. See Subframe Assembly - Rear (Remove and Install).

    SEE MORE:

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    Remove the cutting pad from the buffer, and then install a polishing pad on the buffer. Apply 4 evenly spaced 20 mm diameter dollops of polishing compound on the polishing pad. Set the buffer speed according to region, and while the buffer is off, place the tool on top of the affected area. NA:

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