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Home >> Tesla >> 2021 >> Model X Long Range Plus >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Front Drive Unit -- Model X >> Front Inverter >> HV Header - Inverter - Front Drive Unit - Remove and Replace >> Install

HV Header - Inverter - Front Drive Unit - Remove and Replace: Install

  1. Secure retainer onto HV header.
    NOTE: 6x clips.
    G00634554Courtesy of TESLA, INC.
    G00634555Courtesy of TESLA, INC.
  2. Secure HV header on FDU inverter.
    NOTE: 2x datums, Seat header with retainer and press in, Audible click should be heard, Perform push pull push test and verify it is properly seated before installing bolts.
    G00634556Courtesy of TESLA, INC.
    G00634557Courtesy of TESLA, INC.
    G00634558Courtesy of TESLA, INC.
  3. Install bolts securing header to inverter.
    NOTE: 2x bolts, T25, 6 N.m, Install new fasteners.
    G00634559Courtesy of TESLA, INC.
  4. Install leak test adapter to FDU HV connector.
    G00634560Courtesy of TESLA, INC.
  5. Connect regulator to leak test adapter.
    G00634561Courtesy of TESLA, INC.
  6. Close both valves on the regulator test tool.
    NOTE: Verify valves are closed.
    G00634562Courtesy of TESLA, INC.
  7. Connect regulator to air supply.
    G00634563Courtesy of TESLA, INC.
  8. Turn on regulator and open valve closest to regulator.
    G00634564Courtesy of TESLA, INC.
  9. Set regulator to 1 psi.
    G00634565Courtesy of TESLA, INC.
  10. Open the 2nd valve to inject air into the inverter.
    NOTE: Close valve when pressure reaches 1 psi and stable.
    G00634566Courtesy of TESLA, INC.
  11. Wait 45 seconds for pressure to settle.
    G00634567Courtesy of TESLA, INC.
  12. Record start pressure valve.
    G00634568Courtesy of TESLA, INC.
  13. Wait 60 seconds for test.
    G00634567Courtesy of TESLA, INC.
  14. Record end pressure valve.
    NOTE: If pressure did not drop more than 0.04 psi, continue to next step. If pressure dropped more than 0.04 psi, then inspect for leaks.
    G00634568Courtesy of TESLA, INC.
  15. Disconnect air supply from regulator tool.
    G00634569Courtesy of TESLA, INC.
  16. Disconnect regulator from leak test adapter.
    G00634570Courtesy of TESLA, INC.
  17. Install FDU HV harness.
    NOTE: 1x bolt, EP10, 10 N.m, 1x connector, 1x tab, Verify lever is in the upright and open position, Carefully seat connector and allow lever to engage, Fully secure lever and verify red tab is locked, Do not damage any pins, Engage clip on drive unit.
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    G00634575Courtesy of TESLA, INC.
  18. Secure rear PT hose to FDU inverter.
    NOTE: 1x hose clips, Perform push-pull-push test, Remove any plugs.
    G00634576Courtesy of TESLA, INC.
    G00634577Courtesy of TESLA, INC.
  19. Remove coolant drain container from underneath vehicle.
    G00634578Courtesy of TESLA, INC.
  20. Install LH toeboard brace.
    NOTE: 3x bolts, 15 mm, 30 N.m.
    G00634579Courtesy of TESLA, INC.
  21. Slide lower electric steering column onto steering gear and install bolt.
    NOTE: 1x bolt, 13 mm, 30 N.m.
    G00634580Courtesy of TESLA, INC.
    G00634581Courtesy of TESLA, INC.
  22. Lower vehicle until tires are touching the ground.
    NOTE: Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered.
    G15411927Courtesy of TESLA, INC.
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    G15411929Courtesy of TESLA, INC.
  23. Remove leak test adapter plug from 12V connector at inverter.
    NOTE: Carefully remove leak test adapter.
    G00634582Courtesy of TESLA, INC.
    G00634583Courtesy of TESLA, INC.
  24. Secure FDU logic connector.
    NOTE: 1x locking connector, Secure connector and engage locking tab.
    G00634584Courtesy of TESLA, INC.
    G00634585Courtesy of TESLA, INC.
  25. Install bolts securing AC compressor bracket to multi system beam.
    NOTE: 2x bolts, 15 mm, 31 N.m, Recommend assistance, Carefully support the AC compressor assembly and secure assembly, Prevent damage to any components, Remove any bungee cords.
    G00634586Courtesy of TESLA, INC.
    G00634587Courtesy of TESLA, INC.
  26. Secure AC compressor HV harness clip from body.
    NOTE: 1x clip.
    G00634588Courtesy of TESLA, INC.
  27. Install AC compressor ground strap.
    NOTE: 1x bolt, T25, 7 N.m.
    G00634589Courtesy of TESLA, INC.
  28. Remove steering wheel holder from vehicle.
    G15411739Courtesy of TESLA, INC.
  29. Raise vehicle fully and lower lift onto locks.
    NOTE: Set vehicle to comfortable working height, Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side.
    G15411871Courtesy of TESLA, INC.
    G15411872Courtesy of TESLA, INC.
  30. Install the HV battery. See HV Battery (AWD) (Remove and Install) .