04/06/2024 18:01:23

HV Harness - Heat Pump - HV Battery (Remove and Replace)

Correction code 16300072 5.46 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 proper PPE is worn when performing the below procedure.

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Warning
This procedure is a DRAFT, although it has been validated. Warnings and Cautions might be missing. Follow safety requirements and use extreme caution when working on or near high voltage systems and components. Provide corrections and feedback to ServiceDevelopment@teslamotors.com.
  1. Remove the HV battery. See HV Battery (AWD) (Remove and Install).
  2. Secure PCS Flush adapter to PCS inlet hose coupling
    Informational PurposesAn informational icon, calling your attention
    Note
    Remove plugs as required, Verify fully seated, Perform push-pull-push test
  3. Secure coolant cart flush hose to regulator and PCS Flush adapter
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    Note
    Verify regulator valve is closed, Pressure regulator is not adjustable (set at 20 psi)
  4. Secure PCS Drain adapter to the end of the PCS outlet hose
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    Note
    Verify valve is closed, Remove plug as required, Verify fully seated, Perform push-pull-push test
  5. Secure coolant cart drain hose to PCS drain adapter and coolant drain container
  6. Open valve on PCS Drain adapter
  7. Connect shop air to regulator
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    Note
    Make sure regulator valve is closed prior to connecting shop air
  8. Slowly open valve on pressure regulator and allow coolant to drain out of HV battery
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    Note
    Allow coolant to drain
  9. Close valve on pressure regulator once no more coolant is draining
  10. Close valve on PCS Drain adapter
  11. Remove cart drain hose from PCS Drain adapter
  12. Remove PCS Drain adapter from end of PCS outlet hose
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    Note
    1x spring clip
  13. Remove cart flush hose from PCS Flush adapter
  14. Remove PCS Flush adapter from PCS inlet coupling
    Informational PurposesAn informational icon, calling your attention
    Note
    1x spring clip
  15. Remove clip securing PCS outlet hose to HV battery
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip
  16. Release PCS outlet hose from HV battery
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    Note
    1x spring clip
  17. Remove all items from pockets and ensure not wearing metal items
  18. Inspect HV insulating gloves
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    Note
    Check gloves for damage prior to use, Refer to service document TN-15-92-003, for information on inspecting HV gloves. https://service.teslamotors.com/documents?model=&keys=TN-15-92-003&vehicle_system=&sort_by=field_date_submitted&sort_order=DESC
  19. Put on HV insulating gloves and leather over gloves
  20. Remove the pyrotechnic battery disconnect. See Pyrotechnic Battery Disconnect (Remove and Replace).
  21. Remove fasteners securing front access cover to HV battery assembly and remove doubler
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    Note
    17x bolts, 7mm, 4 Nm, 2x nuts, 10mm, 4 Nm, 2x datums, Discard patch fasteners, Remove all fasteners and separate doubler from front cover
  22. Disconnect coolant hoses from PCS and install plugs
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    Note
    2x hoses, Use the special tool to release the 2x clips on each hose, Support front access cover with non-conductive material as needed, Use a shop towel to catch any minimal excess coolant
  23. Remove front access cover from HV battery
  24. Remove front access cover foam gasket
    Informational PurposesAn informational icon, calling your attention
    Note
    1x gasket, Remove seal, Discard seal after removal
  25. Disconnect PCS to DC bus HV connector
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Release the locking tab by pulling upward, May need plastic trim tool to help lift the connector upward
  26. Disconnect PCS logic connector from PCS
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    Note
    1x connector
  27. Disconnect PCS LV DC power harness connector
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Release the locking tab by pulling upward, May need plastic trim tool to help lift the connector upward
  28. Disconnect AC filter HV harness connector from PCS
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    Note
    1x connector, Release the locking tab by pulling upward, May need plastic trim tool to help lift the connector upward
  29. Release AC Filter harness clips
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    Note
    3x clips
  30. Remove bolts securing PCS to mounting tray
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    Note
    6x bolts, 8mm, 6 Nm, Only remove the 8mm fasteners, Do not remove the T30 fasteners, Depending on battery revision, mica tape may be covering the rear bolts, Peel tape aside as required
  31. Lift PCS up and out of front ancillary bay area and remove from vehicle
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    Note
    Shift PCS left to clear lip of battery enclosure then straight up to remove
  32. Remove PCS mounting tray from front ancillary bay area
    Informational PurposesAn informational icon, calling your attention
    Note
    6x bolts, 10mm, 8 Nm, Take note of ground bolt, Ground fastener may vary depending on battery pack revision
  33. Release HV connector 6 pin carrier connection
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    Note
    1x locking connector, Disengage locking tab and release connector
  34. Release HV connector 6 pin carrier connection from clipping point
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    Note
    1x clip, Release from clipping location
  35. Remove mica shielding over FDU carrier
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    Note
    1x Mica shielding
  36. Remove mica shielding over the fuses
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    Note
    1x Mica shielding
  37. Remove mica tape shielding over inductor coil
    Informational PurposesAn informational icon, calling your attention
    Note
    1x Mica Shielding, Remove the shielding, Use combination of HV tools and trim tools to aid in unwrapping the shield, Note as the shielding tears there will be leftover debris
  38. Clean away all excess debris caused by the mica shielding
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    Note
    Use ESD vacuum and carefully remove all leftover debris
  39. Release HV connector FDU carrier connection
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    Note
    1x locking connector, Disengage locking tab and release connector
  40. Release HV connector 6 pin carrier connection from clipping point
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    Note
    1x clip, Release from clipping location
  41. Remove FDU HV header
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, EP10, 10 Nm, Gently separate FDU HV header
  42. Release bolts securing HV connector 0 degree carrier and remove
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, 13mm, 5 Nm +60 degrees, Discard fasteners after removal
  43. Release HV connector 6 pin carrier cable from fuse
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 8mm, 4.5 Nm, Do not drop fastener, Move cable aside
  44. Release HV connector 6 pin carrier cable from inductor coil
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 7mm, 2.5 Nm, Do not drop fastener, Move cable aside
  45. Release HV connector 6P header
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, EP10, 10 Nm, Gently separate HV header
  46. Remove HVB Heat Pump HV Harness
    Informational PurposesAn informational icon, calling your attention
    Note
    Release tape securing harness to front tray, Remove harness from battery pack
  47. Position HVB Heat Pump HV Harness
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    Note
    Position harness into pack, Return to original position, Apply new Kapton tape as required
  48. Secure HV connector 6P header
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, EP10, 10 Nm, Align connector casing to header, Verify the fitment as this header will secure at a slight angle, Take time to line them up and then begin threads
  49. Secure HV connector 6 pin carrier cable onto inductor coil
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 7mm, 2.5 Nm, Do not drop fastener
  50. Secure HV connector 6 pin carrier cable onto fuse
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 8mm, 4.5 Nm, Do not drop fastener
  51. Cleaning mating surfaces of the HV connector 0 degree carrier
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    Note
    Allow 1 min for IPA to dry
  52. Install bolts securing FDU HV connector 0 degree carrier
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, 13mm, 5nm +60 degrees, Install new fasteners
  53. Install FDU HV header
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, EP10, 10 Nm
  54. Perform Hioki impedance test at the HV joints of the FDU HV connector 0 degree carrier
    Informational PurposesAn informational icon, calling your attention
    Note
    2x HV joint, Verify meter has been properly zero adjusted prior to usage, The acceptable resistance is below d 0.045 mΩ (45 μΩ), If the resistance is greater than 0.045 mΩ (45 μΩ), there is too much resistance in the High Voltage joint. Remove the fastener, clean areas with isopropyl alcohol, install fastener back and test again
  55. Secure HV connector FDU carrier connection
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    Note
    1x connector, Fully engage locking tab
  56. Secure HV connector 6 pin carrier connection onto clipping point
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    Note
    1x clip
  57. Secure HV connector 6 pin carrier connection
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Fully engage locking tab
  58. Install front ancillary insulator in area of previous mica shields - Placeholder
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    Note
    1x insulator, Install a new insulator where the old mica tape use to be, Maneuver insulator and secure into place, Do not pinch any wiring
  59. Install PCS mounting tray to front ancillary bay area
    Informational PurposesAn informational icon, calling your attention
    Note
    6x bolts, 10mm, 8 Nm, Be mindful not to pinch any wires underneath the tray
  60. Install PCS to front ancillary bay area
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    Note
    Shift PCS under lip of battery enclosure
  61. Install fasteners securing PCS to mounting tray
    Informational PurposesAn informational icon, calling your attention
    Note
    6x bolts, 8mm, 6 Nm, Depending on battery revision, mica tape may be equipped over the rear bolts, Re-secure tape as required
  62. Secure AC Filter harness clips
    Informational PurposesAn informational icon, calling your attention
    Note
    3x clips
  63. Connect AC filter HV harness connector to PCS
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Push down to secure locking tab
  64. Connect PCS LV DC power harness connector
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Push down to secure locking tab
  65. Connect PCS logic connector to PCS
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    Note
    1x connector
  66. Connect PCS to DC bus HV connector
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Push down to secure locking tab
  67. Install front access cover foam gasket
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    Note
    1x gasket, Install new gasket, Position gasket over the raised thread and stud collars, Verify there is no excess debris on the cover or pack casing that would prevent proper sealing,
  68. Position front cover for installation and secure hoses to PCS
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    Note
    2x hoses, 2x clips on each hose, Recommend assistance, Secure hoses while holding cover, Remove plugs
  69. Install front access cover to HV battery
  70. Position front cover doubler and install fasteners securing front access cover to HV battery assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    17x patch bolts, 7mm, 4 Nm, 2x nuts, 10mm, 4 Nm, 2x datums, Install new patch fasteners, Position doubler over front access cover and thread in bolts, Some tension may be present, Verify bolts are all threaded and torque down fasteners in an even pattern
  71. Measure the voltage across the pyrotechnic battery disconnect mount points, and then install the pyrotechnic battery disconnect. See Pyrotechnic Battery Disconnect (Remove and Replace).
  72. Secure coolant leak test adapter to PCS inlet coupling
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    Note
    This adapter is connected to regulated air line adapter, Make sure the locking tab is fully seated, Perform push-pull-push test
  73. Secure closed ended coolant leak test adapter to PCS outlet coupling
    Informational PurposesAn informational icon, calling your attention
    Note
    Perform push-pull-push test
  74. Secure pressure test fixture hose to leak test adapter
  75. Secure compressed air line to pressure test fixture
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    Note
    Make sure valves are closed on pressure regulator
  76. Open the regulator valve then slowly adjust regulator to 50 psi
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    Note
    Use caution due to high pressure, Make sure to wear safety glasses and personal protection equipment
  77. Open the 2nd valve slowly
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    Note
    Slowly allow air to enter system
  78. Allow 1 minutes and 50 seconds for the pressure to stabilize
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    Note
    Allow 1 minutes and 50 seconds (110 seconds) for pressure to stabilize
  79. Close the regulator valve
  80. Record start pressure value
  81. Allow 4 minutes to test
  82. Record end pressure value
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    Note
    If pressure did not drop more than 0.35 psi, continue to next step, If pressure dropped more than 0.35 psi, then inspect for leaks and retest
  83. Release compressed air line from pressure test fixture
  84. Open the regulator valve slowly
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    Note
    Slowly allow air to leave the system
  85. Release pressure test fixture hose from coolant leak test adapter
  86. Remove coolant leak test adapter from PCS inlet coupling
  87. Remove closed ended coolant leak test adapter from PCS outlet coupling
  88. Secure PCS outlet hose to HV battery
    Informational PurposesAn informational icon, calling your attention
    Note
    1x spring clip, Perform push-pull-push test
  89. Install clip securing PCS outlet hose to HV battery
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip
  90. Install the HV battery. See HV Battery (AWD) (Remove and Install).