15/12/2023 01:29:06

Ski - Center Rail - HV Battery (RWD) (Remove and Replace)

Correction code 16102602 1.50 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.

  • 2023-10-24: Updated with center rail ski orientation steps.
  • 1140311-00-A Lever Lock, HV Connector, Model 3
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning

Only technicians who have been trained in High Voltage Awareness and have completed all required certification courses (if applicable) are permitted to perform this procedure. Proper personal protective equipment (PPE) and insulating HV gloves with a minimum rating of class 0 (1000V) must be worn at all times a high voltage cable, busbar, or fitting is handled. Refer to Tech Note TN-15-92-003, High Voltage Awareness Care Points for additional safety information.

Remove

  1. Perform the vehicle electrical isolation procedure. See Vehicle HV Disablement Procedure.
  2. Remove the front HV battery skid plate. See Skid Plate - HV Battery - Front (Remove and Replace).
  3. Disconnect the PTC heater HV electrical harness, and then remove the PTC heater HV electrical harness from the connector bracket.
  4. Disconnect the A/C compressor HV electrical harness, and then remove the A/C compressor HV electrical harness from the connector bracket.
  5. Position a coolant drain under the LH front of the HV battery.
  6. Release the clip, disconnect the HV battery RH supply manifold from the HV battery LH supply manifold, and then immediately plug the male and female fittings.
  7. Release the clips that attach the PTC heater and A/C compressor electrical harness bracket to the front of the HV battery, and then separate the bracket from the battery.
  8. Remove the rear HV battery skid plate. See Skid Plate - HV Battery - Rear (Remove and Replace).
  9. Release the clips that attach the RH inner HV battery return hose to the HV battery.
  10. Position the coolant drain under the RH rear of the HV battery.
  11. Release the clip, and then disconnect the RH inner HV battery return hose fitting from the RH end of the HV battery platter enclosure.
  12. Quickly plug both the male and female fittings.
  13. Remove the coolant drain from under the vehicle.
  14. Remove the nuts that attach the rear drive unit HV electrical harness bracket to the HV battery.
  15. Slide the release to unlock the HV battery rear drive unit connector handle of the rear drive unit to HV battery harness from the secured position.
  16. Fully raise the handle on the HV battery rear drive unit connector.
  17. Remove the HV battery rear drive unit connector from the HV battery header.
  18. Slide the release to unlock the HV battery PTC heater and A/C compressor connector handle of the PTC heater and A/C compressor to HV battery harness from the secured position.
  19. Fully raise the handle on the HV battery PTC heater and A/C compressor connector.
  20. Remove the HV battery PTC heater and A/C compressor connector from the HV battery header.
  21. Release the clips that attach the PTC heater and A/C compressor electrical harness cover to the rear of the HV battery.
  22. If the center rail ski is being removed to replace the HV harness, use a paint pen to mark an "F" at the front end of the ski.
    Informational PurposesAn informational icon, calling your attention
    Note
    Some center rail skiis have an arrow stamped into the extrusion to indicate the front end.
  23. With an assistant, remove the bolts that attach the center rail ski to the HV battery.
  24. Remove the center rail ski from the vehicle.
  25. If the center rail ski is being replaced, set the replacement ski next to the ski just removed, and align the bolt through holes (x6) side by side.
    Informational PurposesAn informational icon, calling your attention
    Note
    The ski appears to be symmetrical, but it is not.
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure that the front pointing arrows stamped into skiis are side by side as well.
  26. Remove the cap cover at the front of the HV battery center rail ski.
  27. Remove the cap cover at the rear of the HV battery center rail ski.
  28. Remove the PTC heater and A/C compressor electrical harnesses from the sides of the HV battery center rail ski.

Install

  1. Install the PTC heater and A/C compressor electrical harness into the sides of the HV battery center rail ski.
    Informational PurposesAn informational icon, calling your attention
    Note
    The end of the harness with 2 connectors goes to the front end of the center rail ski.
    Informational PurposesAn informational icon, calling your attention
    Note
    Some center rail skiis have an arrow stamped into the extrusion to indicate the front end.
  2. Install the cap cover at the rear of the HV battery center rail ski.
  3. Install the cap cover at the front of the HV battery center rail ski.
  4. With an assistant, install the center rail ski to the HV battery.
    Informational PurposesAn informational icon, calling your attention
    Note
    The end of the center rail ski with 2 connectors goes to the front of the vehicle.
  5. Install the bolts that attach the center rail ski to the HV battery.
    35 Nm (25.8 lbs-ft)
    32 Nm (23.6 lbs-ft)
  6. If not already done so, use a paint pen to mark an "F" at the front end of the center rail ski.
  7. Fasten the clips that attach the PTC heater and A/C compressor electrical harness cover to the rear of the HV battery.
  8. Fully raise the handle on the HV battery PTC heater and A/C compressor connector of the PTC heater and A/C compressor to HV battery harness.
  9. Use both hands to firmly connect the HV battery PTC heater and A/C compressor connector of the PTC heater and A/C compressor to HV battery harness to the HV battery header.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure that the connector fits the header squarely and tightly, and that both retention pins enter the handle.
  10. While pressing the HV battery PTC heater and A/C compressor connector onto the HV battery header, fully lower the handle.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure that the handle does not bind as it is lowered.
  11. Slide the release to lock the HV battery PTC heater and A/C compressor connector handle in the secured position.
  12. Verfiy that the HV battery PTC heater and A/C compressor connector is fully seated, and compare both sides of the connector that it is properly secured in place.
    Informational PurposesAn informational icon, calling your attention
    Note
    An improperly seated connector might lead to connector damage and PTC heater or A/C compressor problems later on.
  13. Fully raise the handle on the HV battery rear drive unit connector of the rear drive unit to HV battery harness.
  14. Install the HV connector special tool onto the HV battery rear drive unit connector.
  15. Use both hands to firmly connect the HV battery rear drive unit connector of the rear drive unit to HV battery harness to the HV battery header.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure that the connector fits the header squarely and tightly, and that both retention pins enter the handle.
  16. Remove the HV connector special tool from the HV battery rear drive unit connector.
  17. While pressing the HV battery rear drive unit connector onto the HV battery header, fully lower the handle.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure that the handle does not bind as it is lowered.
  18. Slide the release to lock the HV battery rear drive unit connector handle in the secured position.
  19. Verfiy that the HV battery rear drive unit connector is fully seated, and compare both sides of the connector that it is properly secured in place.
    Informational PurposesAn informational icon, calling your attention
    Note
    An improperly seated connector might lead to connector damage and rear drive unit problems later on.
  20. Install the nuts that attach the rear drive unit HV electrical harness bracket to the HV battery.
    10 Nm (7.4 lbs-ft)
  21. Position the coolant drain under the RH rear of the HV battery.
  22. Remove the plugs from the male and female fittings, quickly connect the RH inner HV battery return hose to the HV battery platter enclosure, and then fasten the clip.
  23. Remove the coolant drain from under the RH rear of the HV battery.
  24. Fasten the clips that attach the RH inner HV battery return hose to the HV battery.
  25. Install the rear HV battery skid plate. See Skid Plate - HV Battery - Rear (Remove and Replace).
  26. Position the coolant drain under the LH front of the HV battery.
  27. Install the PTC heater and A/C compressor electrical harness bracket to the front of the HV battery, and then fasten the clips that attach the bracket to the HV battery.
  28. Remove the plugs from the HV battery RH supply manifold and the HV battery LH supply manifold, immediately connect the male and female fittings, and then fasten the clip.
  29. Install the A/C HV electrical harness into the connector bracket, and then connect the A/C HV electrical harness.
  30. Install the PTC heater HV electrical harness into the connector bracket, and then connect the PTC heater HV electrical harness.
  31. Install the front HV battery skid plate. See Skid Plate - HV Battery - Front (Remove and Replace).
  32. Connect 12V/LV power. See 12V/LV Power (Disconnect and Connect).
  33. Perform a vacuum refill of the cooling system. See Cooling System (Vacuum Refill).