07/08/2024 01:48:15

Coolant Pump - Powertrain (Heat Pump) (Remove and Replace)

Correction code 18308122 0.54 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so.NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure.

Informational PurposesAn informational icon, calling your attention
Note
If the coolant pump has been replaced twice, escalate a Toolbox session before proceed.
  • 2024-08-07: Changed instruction for lubrication of O-rings to use Silicone lubricant instead of using silaramic grease.
  • 2024-03-04: Updated the routines.

Torque Specifications

Table 1. Torque Specifications: Coolant Pump - Powertrain (Heat Pump) (Remove and Replace)
Description Torque Value Recommended Tools Reuse/Replace Notes
Bolts that attach the powertrain coolant pump to the supermanifold
1.8 Nm (1.3 lbs-ft)
  • T20 socket
  • 2 in extension
 Reuse

Remove

  1. Open the LH front door and fully lower the LH front window.
  2. Place the vehicle in Service Mode. See Service Mode.
  3. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  4. Remove the cabin intake duct. See Duct - Cabin Intake (Remove and Replace).
  5. Remove the fresh intake duct. See Duct - Fresh Intake (Remove and Replace).
  6. Unlock the vehicle gateway. See Gateway (Unlock).
  7. On the touchscreen, touch Service Mode > Thermal > Coolant System > Coolant Fill Drain and select Run, and allow the routine to complete.
  8. Disconnect 12V power. See 12V/LV Power (Disconnect and Connect).
  9. Place an absorbent material underneath the coolant pump.
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure the material covers the front drive unit 12V connector, steering rack, and is positioned to catch fluid from the heat exchanger coolant outlet.
  10. Release the locking tab, and then disconnect the electrical harness from the powertrain coolant pump connector.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    DO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling to release the connector.
  11. Remove the bolts (x4) that attach the powertrain coolant pump to the supermanifold, and then remove the pump from the supermanifold.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure the inner and outer O-rings are removed with the coolant pump.
    Tip: Use of the following tool(s) is recommended:
    • T20 socket
    • 2 in extension

Install

  1. Remove and discard any o-rings or debris in the superbottle where the coolant pump will install.
  2. Make sure that new o-rings are installed onto the new coolant pump.
  3. Lubricate the o-rings with Silicone lubricant.
  4. Position the coolant pump with the connector tab toward the LH side of the vehicle, and then insert the coolant pump into the supermanifold.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure that the coolant pump is fully seated in the supermanifold.
  5. Hand-tighten the screws (x4) that attach the coolant pump to the superbottle.
  6. Tighten the coolant pump screws in a cross-pattern.
    1.8 Nm (1.3 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • T20 socket
    • 2 in extension
  7. Connect the electrical harness to the coolant pump connector, and then engage the locking tab.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Push the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
  8. Remove the coolant drain material from under the vehicle.
  9. Install the fresh intake duct. See Duct - Fresh Intake (Remove and Replace).
  10. Perform a cooling system vacuum refill. See Cooling System (Vacuum Refill).
  11. Connect 12V/LV power. See 12V/LV Power (Disconnect and Connect).
  12. Unlock the vehicle gateway. See Gateway (Unlock).
  13. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Stop Thermal Fill Drain, and allow the routine to complete.
  14. Tap Coolant System > Run Coolant Pumps Identification > Run, and close once the routine is passed.
  15. Tap Coolant System > Coolant Purge > Run, and close once the routine is passed.
  16. Inspect the coolant level and make sure the fluid level is at the Max line.
  17. Install the cabin intake duct. See Duct - Cabin Intake (Remove and Replace).
  18. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  19. Exit Service Mode. See Service Mode.
  20. Raise the LH front window and close the LH front door.