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Home >> Tesla >> 2021 >> Model X Performance >> 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 >> Remove

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

  1. Remove the HV battery. See HV Battery (AWD) (Remove and Install) .
  2. 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.
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  3. Lock steering wheel into position.
    G15411508Courtesy of TESLA, INC.
  4. 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.
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  5. Remove AC compressor ground strap.
    NOTE: 1x bolt, T25, 7 N.m.
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  6. Release AC compressor HV harness clip from body.
    NOTE: 1x clip.
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  7. Release 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 allow it to hang, Prevent damage to any components.
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  8. Release FDU logic connector.
    NOTE: 1x locking connector, Disengage lock and remove, Maneuver compressor assembly away as needed.
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  9. Install leak test adapter plug to 12V connector at inverter.
    NOTE: Inspect O-ring and replace if necessary.
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  10. 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.
  11. Remove bolt securing steering gear assembly to electric steering column.
    NOTE: 1x bolt, 13 mm, 30 N.m.
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  12. Remove LH toeboard brace.
    NOTE: 3x bolts, 15 mm, 30 N.m.
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  13. Position coolant drain container under the front of the vehicle to catch vehicle coolant.
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  14. Release rear PT hose from FDU inverter.
    NOTE: 1x hose clip, Plug both ends as needed.
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  15. Remove FDU HV harness.
    NOTE: 1x bolt, EP10, 10 N.m, 1x connector, Release red locking tab and carefully disengage lever to remove connector, Release clip from drive unit.
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  16. Remove bolts securing HV header to FDU inverter.
    NOTE: 2x bolts, T25, 6 N.m, Discard fasteners after removal.
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  17. Remove HV header using removal tool.
    NOTE: 2x datums, Line up drive unit header removal tool, Firmly engage lever inwards to release the locking tabs, It may take some maneuvering to achieve, With locks disengaged, Remove header with tool from inverter, Use plastic trim tool to aid if required.
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  18. Remove retainer from LH rear inverter.
    NOTE: 6x clips, Take note of original position, Carefully use a pick to remove and save the retainer.
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  19. Separate HV header from housing and retainer.
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