28/09/2024 23:39:29

Check Valve - Cabin Condenser (Heat Pump) (Remove and Replace)

Correction code 18400902 0.42 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.

  • 2023-04-04: Updated A/C oil type to be used with reference to Fluids and Capacities for A/C oil specifications.
  • 2024-01-23: Updated the way of performing the routines from using Toolbox to using the touchscreen.
Informational PurposesAn informational icon, calling your attention
Note
This procedure requires the A/C Refrigerant (Recovery and Recharge) procedure to be performed. If not already automatically added to the Service Visit, add correction code 18200102 as a separate activity to the Service Visit.

Torque Specifications

Table 1. Torque Specifications: Check Valve - Cabin Condenser (Heat Pump) (Remove and Replace)
Description Torque Value Recommended Tools Reuse/Replace Notes
Bolt that attaches the A/C line to the supermanifold.
22 Nm (16.2 lbs-ft)
  • 13 mm socket
  • Flex head ratchet/flex head torque wrench
  • 6 in extension
Reuse

Remove

  1. Open the LH front door and fully lower the LH front window.
  2. Place the vehicle in Service Mode by using the touchscreen. See Service Mode.
  3. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  4. Unlock the vehicle gateway. See Gateway (Unlock).
  5. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Refrigerant System > Start Thermal Fill Drain (Refrigerant only) > Run, and allow the routine to complete.
  6. Disconnect LV power. See 12V/LV Power (Disconnect and Connect).
  7. Recover the A/C refrigerant. See Recovery (Heat Pump Model 3).
  8. Remove the bolt that attaches the supermanifold-to-compressor A/C line to the supermanifold.
    Tip: Use of the following tool(s) is recommended:
    • 13 mm socket
    • Flex head ratchet/flex head torque wrench
    • 6 in extension
  9. Remove the supermanifold-to-compressor A/C line from the supermanifold, and then hang it on the underhood storage unit support beam using an s-hook.
    Informational PurposesAn informational icon, calling your attention
    Note
    Carefully position the line so that oil does not drip out.
  10. Release the locking tab, and then disconnect the electrical connector from the high pressure and temperature sensor.
    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. Release the locking tab, and then disconnect the electrical connector from the recirc EXV (expansion valve).
    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.
  12. Release the locking tab, and then disconnect the electrical connector from the liquid cooled condenser EXV.
    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.
  13. Release the locking tab, and then disconnect the electrical connector from the liquid cooled condenser shut off valve.
    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.
  14. Release the locking tab, and then disconnect the electrical connector from the right side cabin condenser EXV.
    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.
  15. Release the locking tab, and then disconnect the electrical connector from the high pressure and temperature subcool sensor.
    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.
  16. Release the locking tab, and then disconnect the electrical connector from the left side cabin condenser EXV.
    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.
  17. Release the locking tab, and then disconnect the electrical connector from the chiller EXV.
    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.
  18. Release the locking tab, and then disconnect the electrical connector from the evap EXV.
    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.
  19. Position the thermal sub harness assembly away from the supermanifold.
  20. Remove and discard the check valve cabin condenser snap ring from the supermanifold.
  21. Remove the check valve cabin condenser from the supermanifold.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If the check valve separates from the aluminum cap during removal, DO NOT use metal tools. Metal tools may scrape the supermanifold housing causing internal damage. Use fingers or wrap electrical tape around a 90 degree pick instead.

Install

  1. Use the appropriate oil to lubricate the O-rings on the check valve cabin condenser. Fluids and Capacities for A/C oil specifications. Then install the check valve cabin condenser into the supermanifold.
  2. Install a new check valve cabin condenser snap ring into the supermanifold.
    Informational PurposesAn informational icon, calling your attention
    Note
    Verify the snap ring is properly seated inside the groove on the supermanifold.
  3. Connect the electrical connector on the evap EXV.
    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.
  4. Connect the electrical connector on the chiller EXV.
    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.
  5. Connect the electrical connector on the left side cabin condenser EXV.
    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.
  6. Connect the electrical connector on the right side cabin condenser EXV.
    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.
  7. Connect the electrical connector on the high pressure and temperature subcool sensor.
    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. Connect the electrical connector on the liquid cooled condenser shut off valve.
    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.
  9. Connect the electrical connector on the liquid cooled condenser EXV.
    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.
  10. Connect the electrical connector on the recirc EXV.
    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.
  11. Connect the electrical connector on the high pressure and temperature sensor.
    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.
  12. Install new seal washers on the supermanifold side of the supermanifold-to-compressor A/C line, and then lubricate the washers with a small amount of the appropriate A/C oil. See Fluids and Capacities for A/C oil specifications.
  13. Position the supermanifold-to-compressor A/C line on the supermanifold, and then hand tighten the bolt that attaches the A/C line to the supermanifold.
  14. Tighten the bolt that attaches the A/C line to the supermanifold.
    22 Nm (16.2 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 13 mm socket
    • Flex head ratchet/flex head torque wrench
    • 6 in extension
  15. Perform the vacuum leak test and refill A/C refrigerant. See A/C Refrigerant (Recovery and Recharge).
  16. Connect LV power. See 12V/LV Power (Disconnect and Connect).
  17. Unlock the vehicle gateway. See Gateway (Unlock).
  18. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Sensors and Valves > Run Heat Pump Commissioning, and allow the routine to complete.
  19. Tap Actions > Test Thermal Performance, select Run, and allow the routine to complete.
  20. Tap Actions > Test HVAC Performance, select Run, and allow the routine to complete.
  21. Disable Service Mode. See Service Mode.
  22. Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  23. Raise the LH front window and close the LH front door.