Battery Coolant Pump 1 (Remove and Replace)

FRT No: 18308502

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 shatter.
Note: Before disconnecting the 12V power supply, ensure that the driver’s door window is fully open. Failure to follow this instruction could result in vehicle lockout.

Coolant pump locations:

RWD Model S Dual Motor Model S
1 Powertrain coolant pump 1 RWD vehicle
2 Battery coolant pump 2 RWD vehicle
3 Battery coolant pump 1 RWD vehicle
4 Powertrain coolant pump 2 Dual Motor vehicle
5 Powertrain coolant pump 1 Dual Motor vehicle
6 Battery coolant pump 2 Dual Motor vehicle
7 Battery coolant pump 1 Dual Motor vehicle

Removal

  1. Disconnect 12V power.
  2. Remove the underhood storage unit for access (refer to procedure).
  3. Disconnect the harness from the coolant pump.
  4. Position a container beneath the pump in order to catch any coolant that is spilled in a later step.
  5. Clamp the inlet and outlet hoses.
  6. Release the spring clamps from the inlet and outlet hoses.
    Caution: Do not remove the clamps that were placed on the inlet and outlet hoses in step 5.
  7. Remove the inlet and outlet hoses from the coolant pump assembly.
  8. Slide the coolant pump assembly toward the LH side of the vehicle to release it from the bracket. Remove the pump assembly from the vehicle.
    Note: The coolant pump assembly includes both the coolant pump and the rubber isolator.
  9. Use a marker to draw a line on the top of the rubber isolator and pump.
    Note: This line helps to align the isolator when installing it on the new coolant pump.
  10. Carefully remove the rubber isolator from the coolant pump.
    Caution: Do not damage or remove the push vent.
  11. Clean any spilled coolant.

Installation

Installation procedure is the reverse of removal, except for the following:
  • Clean any spilled coolant.
  • When placing the rubber isolator over the coolant pump, ensure that the line that was drawn in step 9 of the "Remove" section aligns with the top of the new coolant pump.
  • When all components have been reinstalled, refill and bleed the cooling system (refer to procedure).