Tesla Model X: HV Battery Coolant - Drain

Special tools required for this procedure: Caution: Only use these tools to perform the procedure.

Drain

Warning: If the battery is suspected to have a coolant leak, do not perform this procedure. Contact Service Engineering for assistance.

1. Remove the thumbnuts and washers from the coolant service fixture.
2. Place the coolant service fixture over the coolant Rapid Mate.

   

3. Install the washers and thumbnuts.

   

4. Prepare the coolant drain tool:
   1. Close the valve.
   2. Connect a compressed air line to the drain tool.
   3. Connect the coolant service fixture fill hose to the drain tool.

      

      1	Connect compressed air line
      2	Valve (closed position)
      3	Connect coolant service fixture fill hose

5. Position the coolant service fixture drain hose into the coolant waste reservoir, a bucket, or other appropriate used coolant receptacle.

   

   1	Hose to coolant waste reservoir, bucket, or other appropriate used coolant receptacle
   2	Hose to coolant drain tool

6. Slowly open the valve on the drain tool. Note: The drain tool has a pressure regulator to prevent the HV battery from being overpressurized.
7. Once approximately 2 gallons (7.5 liters) of coolant has been removed, close the valve on the drain tool, then remove the coolant service fixture from the HV battery.