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Home >> Tesla >> 2021 >> Model X Performance >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Front Drive Unit -- Model X >> Front Drive Unit Assembly >> Mount - Front Drive Unit - LH - Remove And Replace >> Remove And Replace

Remove And Replace

  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
    G15411505Courtesy of TESLA, INC.
    G15411506Courtesy of TESLA, INC.
    G15411507Courtesy of TESLA, INC.
  3. Lock steering wheel into position
    G15411508Courtesy of TESLA, INC.
  4. Disconnect AC compressor logic connector
    NOTE: 1x locking electrical connector, Do not push down on red tab, Pull to disengage lock, Pull again to release connector
    G15411509Courtesy of TESLA, INC.
    G15411510Courtesy of TESLA, INC.
  5. Remove retaining clip securing AC compressor logic harness to AC compressor HV harness bracket
    NOTE: 1x fir tree clip
    G15411511Courtesy of TESLA, INC.
    G15411512Courtesy of TESLA, INC.
  6. Remove fastener securing AC compressor HV harness bracket to AC compressor
    NOTE: 1x bolt, 13 mm, 9 N.m
    G15411513Courtesy of TESLA, INC.
  7. Disconnect HV harness connector from AC compressor
    NOTE: 1x locking electrical connector, Move black locking tab away form the AC compressor, Push down on locking connector to release and pull straight out of socket
    G15411514Courtesy of TESLA, INC.
    G15411515Courtesy of TESLA, INC.
  8. Remove AC compressor ground strap
    NOTE: 1x bolt, T25, 7 N.m
    G15411516Courtesy of TESLA, INC.
  9. Release clip securing the coolant hose to the AC compressor bracket
    NOTE: 1x fir tree clip
    G15411517Courtesy of TESLA, INC.
  10. Remove PT coolant pump from AC compressor bracket
    NOTE: Slide pump assembly away from compressor off lower bracket
    G15411518Courtesy of TESLA, INC.
    G15411519Courtesy of TESLA, INC.
  11. Release the HV heat pump bracket from the compressor eyelet
    NOTE: 1x tab, Release bracket tab and rotate rearward and up to clear compressor eyelet
    G15411520Courtesy of TESLA, INC.
    G15411521Courtesy of TESLA, INC.
  12. Set HV heat pump bracket aside
    NOTE: Negotiate underneath high pressure pipe
    G15411522Courtesy of TESLA, INC.
    G15411523Courtesy of TESLA, INC.
  13. Release compressor bracket from multi-system beam
    NOTE: 2x bolts, 15 mm, 31 N.m, Recommend assistance, Support the AC compressor while removing the fasteners, Carefully remove the AC compressor and AC compressor bracket towards the front of the vehicle and under the multi-system beam, Be cautious around the coolant hose and supermanifold harness, Place fender cover on fan housing and gently place AC compressor assembly down
    G15411524Courtesy of TESLA, INC.
    G15411525Courtesy of TESLA, INC.
    G15411526Courtesy of TESLA, INC.
    G15411527Courtesy of TESLA, INC.
  14. Raise vehicle partially and lower 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
    G15411528Courtesy of TESLA, INC.
    G15411529Courtesy of TESLA, INC.
  15. Remove LH toeboard brace
    NOTE: 3x bolts, 15 mm, 30 N.m
    G15411530Courtesy of TESLA, INC.
  16. Remove bolt securing steering gear assembly to electric steering column and separate
    NOTE: 1x bolt, 13 mm, 30 N.m
    G15411531Courtesy of TESLA, INC.
    G15411532Courtesy of TESLA, INC.
  17. Disconnect steering gear assembly connectors
    NOTE: 2x connectors, Two-stage connectors, Slide red locking tab to unlock then depress connector release to disconnect
    G15411533Courtesy of TESLA, INC.
    G15411534Courtesy of TESLA, INC.
  18. Disconnect EPAS CAN connectors
    NOTE: 2x connectors, Do not push down on red tab, Pull red tab to disengage lock, Pull again to release connector
    G15411535Courtesy of TESLA, INC.
  19. Release clips securing FDU Inverter to oil cooler hose
    NOTE: 4x clips
    G15411536Courtesy of TESLA, INC.
    G15411537Courtesy of TESLA, INC.
  20. Position transmission jack fixture under drive unit
    NOTE: Secure FDU strap, Use caution if using a non-leveling transmission jack, FDU may not sit flush, Once mount bolts are removed, move FDU into correct position
    G15411538Courtesy of TESLA, INC.
    G15411539Courtesy of TESLA, INC.
    G15411540Courtesy of TESLA, INC.
  21. Remove bolts from LH FDU clevis mount to body
    NOTE: 2x bolts, E14, 65 N.m
    G15411541Courtesy of TESLA, INC.
  22. Release bolts securing clevis to LH motor mount assembly
    NOTE: 2x bolts, E14, 92 N.m
    G15411542Courtesy of TESLA, INC.
  23. Release bolts securing LH motor mount assembly to FDU
    NOTE: 3x bolts, E14, 35 N.m + 55 degrees
    Fig 1: LH Motor Mount Assembly To FDU Bolts With Loosening Sequence
    G15411543Courtesy of TESLA, INC.
    G15411544Courtesy of TESLA, INC.
    G15411545Courtesy of TESLA, INC.
    G15411546Courtesy of TESLA, INC.
    G15411547Courtesy of TESLA, INC.
  24. Separate clevis mount from LH motor mount assembly
    NOTE: 2x bolts, E14, 92 N.m, Comes as assembly
    G15411548Courtesy of TESLA, INC.
    G15411549Courtesy of TESLA, INC.
  25. Install bolts securing LH motor mount assembly to FDU
    NOTE: 3x bolts, E14, 35 N.m + 55 degrees, Install bolts and perform final torque in the sequence shown
    G15411550Courtesy of TESLA, INC.
    G15411551Courtesy of TESLA, INC.
    G15411552Courtesy of TESLA, INC.
    G15411553Courtesy of TESLA, INC.
    Fig 2: LH Motor Mount Assembly To FDU Bolts With Tightening Sequence
    G15411554Courtesy of TESLA, INC.
  26. Install the bolts securing the clevis mount to the body
    NOTE: 2x bolts, E14, 65 N.m
    G15411555Courtesy of TESLA, INC.
  27. Install bolts securing clevis to LH motor mount assembly
    NOTE: 2x bolts, E14, 92 N.m, Center clevis mount and torque bolts
    G15411556Courtesy of TESLA, INC.
  28. Lower the FDU stand and underhoist stand away from the FDU
    G15411557Courtesy of TESLA, INC.
  29. Secure clips for the FDU Inverter to oil cooler hose
    NOTE: 4x clips
    G15411558Courtesy of TESLA, INC.
    G15411559Courtesy of TESLA, INC.
  30. Connect EPAS CAN connectors
    NOTE: 2x connectors, Engage locking tab
    G15411560Courtesy of TESLA, INC.
  31. Connect steering gear assembly connectors
    NOTE: 2x connectors, Two-stage connectors, Ensure locking tab is engaged after an audible click is heard when connecting
    G15411561Courtesy of TESLA, INC.
    G15411562Courtesy of TESLA, INC.
  32. Slide lower electric steering column onto steering gear and install bolt
    NOTE: 1x bolt, 13 mm, 30 N.m
    G15411563Courtesy of TESLA, INC.
    G15411564Courtesy of TESLA, INC.
  33. Install LH toeboard brace
    NOTE: 3x bolts, 15 mm, 30 N.m
    G15411565Courtesy of TESLA, INC.
  34. 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
    G15411566Courtesy of TESLA, INC.
    G15411567Courtesy of TESLA, INC.
    G15411568Courtesy of TESLA, INC.
  35. Position AC compressor bracket assembly into vehicle and secure AC compressor assembly to multi-system beam
    NOTE: 2x bolts, 15 mm, 31 N.m, Recommend assistance, Support the AC compressor while installing the fasteners, Carefully install the AC compressor and AC compressor bracket towards the rear of the vehicle and under the multi-system beam, Negotiate bracket around coolant hose and supermanifold harness, Hand start bolts
    G15411569Courtesy of TESLA, INC.
    G15411570Courtesy of TESLA, INC.
  36. Torque AC compressor bracket bolts to multi-system beam
    NOTE: 2x bolts, 15 mm, 31 N.m
    G15411571Courtesy of TESLA, INC.
  37. Position HV heat pump bracket
    NOTE: Negotiate underneath high pressure pipe
    G15411572Courtesy of TESLA, INC.
    G15411573Courtesy of TESLA, INC.
  38. Secure HV heat pump bracket to AC compressor eyelet
    NOTE: Ensure locking tab engages eyelet
    G15411574Courtesy of TESLA, INC.
    G15411575Courtesy of TESLA, INC.
  39. Connect HV harness connector to AC compressor
    NOTE: 1x locking electrical connector, 3 stage locking connector, After fully seating the connector onto the AC compressor engage the black locking tab by pushing toward the AC compressor, Perform push-pull-push test to ensure proper seating
    G15411576Courtesy of TESLA, INC.
    G15411577Courtesy of TESLA, INC.
  40. Install fastener securing AC compressor HV harness bracket to AC compressor
    NOTE: 1x bolt, 13 mm, 9 N.m
    G15411578Courtesy of TESLA, INC.
  41. Install AC compressor ground strap
    NOTE: 1x bolt, T25, 7 N.m
    G15411579Courtesy of TESLA, INC.
  42. Secure PT coolant pump onto AC compressor bracket
    NOTE: Slide pump assembly onto compressor lower bracket
    G15411580Courtesy of TESLA, INC.
    G15411581Courtesy of TESLA, INC.
  43. Install clip securing the coolant hose to the AC compressor bracket
    NOTE: 1x fir tree clip
    G15411582Courtesy of TESLA, INC.
  44. Install the HV battery. See HV Battery (AWD) (Remove and Install) .
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