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Home >> Tesla >> 2021 >> Model Y Performance >> Repair and Diagnosis >> Drivelines & Axles >> Axle Shafts >> Front Drive Unit -- Model Y >> Front Drive Unit Assembly >> Fluid Coupling (Straight) - Front Drive Unit - Remove And Replace >> Remove
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Fluid Coupling (Straight) - Front Drive Unit - Remove And Replace: Remove

  1. Verify there is no abnormal tire wear per Courtesy Inspection
    NOTE: SC-14-00-001 Standard Courtesy Inspection Checklist, While performing courtesy inspection, Note any abnormal tire wear that could indicate the need for an alignment
  2. Raise and support the vehicle.
    NOTE: Ensure vehicle is not charging, Remove charging cable if it's plugged in, Note the MYSP lifting points are more narrow than the MY
    G14840737Courtesy of TESLA, INC.
    G00625487Courtesy of TESLA, INC.
    G00625488Courtesy of TESLA, INC.
    G14827625Courtesy of TESLA, INC.
  3. Open all four doors
  4. Lower all four windows
  5. Connect to vehicle using Toolbox 3.0
  6. Select 'Actions/Autodiag' and search for 'Thermal'
  7. Select "Start Thermal Fluid Fill/Drain (Coolant only)", click Run and allow routine to complete.
    NOTE: Select 'X' at top right of window to close once complete, Verify vehicle is in Series via Garage > Vitals > Thermal tab > Coolant loops
  8. Move LH front seat forward
  9. Move RH front seat forward
  10. Release 2nd row seat cushion
    NOTE: Lift front edge of seat cushion upward to release foam from frame, Pull towards front of vehicle then tilt bench against 40/60 back
    G14820802Courtesy of TESLA, INC.
  11. Move LH front seat backward
  12. Set steering wheel straight ahead
  13. Lock steering wheel into position
    NOTE: Protect seat from damage
    G14840741Courtesy of TESLA, INC.
  14. Open hood
  15. Remove rear apron
    NOTE: 14x clips
    G14838690Courtesy of TESLA, INC.
    G14838691Courtesy of TESLA, INC.
  16. Power off vehicle from center display
    NOTE: Via Controls > Safety > Power Off, Select Power Off button at warning dialogue box
  17. Disconnect 12V negative terminal and first responders loop
    NOTE: 1x nut, 10mm, 6 N.m, 1x connector, Ensure vehicle is in park, climate control system is off, and vehicle is not charging before disconnecting 12V, Negative terminal should be disconnected before FRL, Allow 2 minutes for all electrical circuits to fully discharge
    G14838777Courtesy of TESLA, INC.
    G14829063Courtesy of TESLA, INC.
  18. Remove all items from pockets and ensure not wearing metal items
    G14830363Courtesy of TESLA, INC.
    G14828823Courtesy of TESLA, INC.
  19. Inspect HV insulating gloves
    NOTE: Check gloves for damage prior to use, Refer to Tech Note TN-15-92-003 , "High Voltage Awareness Care Points" for information on inspecting HV gloves.
    G14829279Courtesy of TESLA, INC.
  20. Put on HV insulating gloves and leather over gloves
    NOTE: Make sure to wear Electrical Protective Gloves any time Hioki tester is used
    G14830017Courtesy of TESLA, INC.
  21. Remove the bolts securing penthouse probe lid cover to penthouse cover
    NOTE: 2x bolts, EP10 5-Lobe, 6 N.m, Discard after removal
    G14830711Courtesy of TESLA, INC.
  22. Remove the penthouse probe lid cover from the penthouse cover
    G14829106Courtesy of TESLA, INC.
  23. Verify no high voltage
    NOTE: Make sure to wear PPE (HV gloves, safety glasses) when working on high voltage component, Measure B+ to Ground, B- to Ground, B+ to B-, If voltage is greater than 10V, Pack contactors are not open or welded, Stop work and reach out to Service Engineering
    G14829911Courtesy of TESLA, INC.
    G14829108Courtesy of TESLA, INC.
    G14829109Courtesy of TESLA, INC.
    G14828831Courtesy of TESLA, INC.
  24. Position the penthouse probe lid cover to the penthouse cover
    NOTE: Inspect gasket to confirm it has no visual damage
    G14830709Courtesy of TESLA, INC.
    G14830025Courtesy of TESLA, INC.
  25. Install the bolts securing penthouse probe lid cover to penthouse cover
    NOTE: 2x bolts, EP10 5-Lobe, 6 N.m, Install new fasteners
    G14830711Courtesy of TESLA, INC.
  26. Remove HV insulating gloves
  27. Remove access panel
    NOTE: 3x clips, 1x connector
    G14825182Courtesy of TESLA, INC.
    G14825713Courtesy of TESLA, INC.
  28. Remove fasteners securing the frunk assembly
    NOTE: 5x bolts, 10mm, 5 N.m, Newer vehicles may be equipped with 4x bolts and 1x push clip securing frunk to reservoir neck
    G14825184Courtesy of TESLA, INC.
    G14825712Courtesy of TESLA, INC.
  29. Remove frunk assembly from vehicle
    NOTE: 6x clips, Replace any clips if broken or missing
    G14825186Courtesy of TESLA, INC.
  30. Remove bolt securing the steering gear assembly to intermediate shaft assembly
    NOTE: 1x bolt, 13mm, 18 N.m
    G14840806Courtesy of TESLA, INC.
  31. Slide the electric steering column upward to remove it from the steering gear assembly
    G14840807Courtesy of TESLA, INC.
  32. Disconnect the steering gear assembly connectors
    NOTE: 2x connectors, Two stage connectors, Slide red locking tab to unlock, then depress the connector release to disconnect
    G14840808Courtesy of TESLA, INC.
  33. Remove fasteners holding upper portion of front fascia to vehicle
    NOTE: 5x bolts, 10mm, 4 N.m
    G14820034Courtesy of TESLA, INC.
  34. Remove LH front fender garnish
    NOTE: 11x clips, 1x push clip, 3x tabs, Release from center of garnish and work your way outward towards both ends, Be cautious not to bend front tabs going into front fascia
    G00625489Courtesy of TESLA, INC.
    G00625490Courtesy of TESLA, INC.
    G00625491Courtesy of TESLA, INC.
    G14820056Courtesy of TESLA, INC.
  35. Remove LH front wheel cap
    NOTE: 1x cap, Use both hands to gently pull the wheel cap to release the clips, Wheels may be equipped with center caps
  36. Loosen LH front wheel
    NOTE: 5x nuts, 21mm, 175 N.m
  37. Remove RH front fender garnish
    NOTE: 11x clips, 1x push clip, 3x tabs, Release from center of garnish and work your way outward towards both ends, Be cautious not to bend front tabs going into front fascia
    G00625493Courtesy of TESLA, INC.
    G00625492Courtesy of TESLA, INC.
    G14843679Courtesy of TESLA, INC.
    G14820060Courtesy of TESLA, INC.
  38. Remove RH front wheel cap
    NOTE: 1x cap, Use both hands to gently pull the wheel cap to release the clips, Wheels may be equipped with center caps
  39. Loosen RH front wheel
    NOTE: 5x nuts, 21mm, 175 N.m
  40. 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
  41. Remove outer fasteners from front aero shield
    NOTE: 7x bolts, 10mm, 5 N.m
    G14820136Courtesy of TESLA, INC.
  42. Remove remaining nuts and remove front aero shield from vehicle
    NOTE: 2x nuts, 15mm, 5 N.m
    G14820049Courtesy of TESLA, INC.
  43. Lower vehicle partially and set lift onto locks
    NOTE: Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered, Set vehicle to comfortable working height
  44. Remove LH front wheel
    NOTE: 5x nuts, 21mm, 175 N.m
  45. Remove RH front wheel
    NOTE: 5x nuts, 21mm, 175 N.m
  46. Remove clips securing LH wheel liner to fascia
    NOTE: 4x push clips, LH wheel removed for better visual
    G14820057Courtesy of TESLA, INC.
  47. Remove bolt securing LH side of fascia to fender
    NOTE: 1x bolt, 10mm, 4 N.m
    G14820126Courtesy of TESLA, INC.
  48. Remove clips securing RH wheel liner to fascia and body
    NOTE: 5x push clips
    G14820062Courtesy of TESLA, INC.
  49. Release connection for the front fascia
    NOTE: 1x locking connector, Release red locking tab and disengage connector
    G14832932Courtesy of TESLA, INC.
    G14832855Courtesy of TESLA, INC.
  50. Release harness clip and connector to pedestrian warning speaker
    NOTE: 1x locking connector, 1x clip, Pull tab to disengage lock, Pull again release from connector, Speaker is located behind RH wheel liner
    G14820120Courtesy of TESLA, INC.
  51. Remove bolt securing RH side of fascia to fender
    NOTE: 1x bolt, 10mm, 4 N.m
    G14820123Courtesy of TESLA, INC.
  52. Release both front corners then release front of front fascia by pulling upward and away from vehicle and place onto padded surface
    NOTE: 8x clips, Recommend assistance, Use caution not to damage headlamp or fender during removal
    G00625494Courtesy of TESLA, INC.
    G14843827Courtesy of TESLA, INC.
    G00625495Courtesy of TESLA, INC.
    G00625496Courtesy of TESLA, INC.
  53. Remove bolt securing LH front wheel speed sensor to knuckle
    NOTE: 1x bolt, 10mm, 5 N.m
    G00625497Courtesy of TESLA, INC.
  54. Remove LH front wheel speed sensor harness from knuckle and move aside
    NOTE: 2x harness clips
    G00625498Courtesy of TESLA, INC.
    G00625499Courtesy of TESLA, INC.
  55. Release bolt securing LH front brake hose bracket to knuckle
    NOTE: 1x bolt, 10mm, 5 N.m
    G14841087Courtesy of TESLA, INC.
  56. Remove LH front brake caliper from LH front knuckle
    NOTE: 2x bolts, E18, 94 N.m, Discard bolts after removal, Hang caliper off to the side with S-hook
    G14841093Courtesy of TESLA, INC.
    G00625500Courtesy of TESLA, INC.
  57. Release nut securing front stabar end link to LH front strut and separate
    NOTE: 1x nyloc nut, 18mm, 98 N.m, Counter hold ball joint with T40, Discard fastener after removal, Separate end link from the strut, If required a pry bar can be used to relieve tension
    G00625501Courtesy of TESLA, INC.
    G00625502Courtesy of TESLA, INC.
    G00625503Courtesy of TESLA, INC.
  58. Remove bolt and nut securing LH front upper control arm to knuckle
    NOTE: 1x bolt, T50, 1x nyloc nut, 15mm, 56 N.m, Recommend assistance, Compress joint to remove bolt, Discard nut after removal
    G14840334Courtesy of TESLA, INC.
    G14840349Courtesy of TESLA, INC.
  59. Remove bolt and nut securing LH strut to LH front lower lateral link
    NOTE: 1x bolt, 21mm, 1x nut, 21mm, 106 N.m
    G00625504Courtesy of TESLA, INC.
  60. Disconnect connectors from horn assembly
    NOTE: 2x connectors, Take note of original routing
    G00625505Courtesy of TESLA, INC.
  61. Remove bolt securing RH front wheel speed sensor to knuckle
    NOTE: 1x bolt, 10mm, 5 N.m
    G00625506Courtesy of TESLA, INC.
  62. Remove RH front wheel speed sensor harness from knuckle and move aside
    NOTE: 2x harness clips
    G00625507Courtesy of TESLA, INC.
    G00625508Courtesy of TESLA, INC.
  63. Remove bolt securing RH front brake caliper hose to knuckle
    NOTE: 1x bolt, 10mm, 5 N.m
    G00625509Courtesy of TESLA, INC.
  64. Remove RH front brake caliper from RH front knuckle
    NOTE: 2x bolts, E18, 94 N.m, Discard bolts after removal, Hang caliper off to the side with S-hook
    G00625510Courtesy of TESLA, INC.
    G14843838Courtesy of TESLA, INC.
  65. Release nut securing front stabar end link to RH front strut and separate
    NOTE: 1x nyloc nut, 18mm, 98 N.m, Counter hold ball joint with T40, Discard fastener after removal, Separate end link from the strut
    G00625511Courtesy of TESLA, INC.
    G00625512Courtesy of TESLA, INC.
    G00652513Courtesy of TESLA, INC.
  66. Remove bolt and nut securing RH front upper control arm to knuckle
    NOTE: 1x bolt, T47IP, 1x nyloc nut, 15mm, 56 N.m, Compress joint to remove bolt, Discard after removal
    G00625514Courtesy of TESLA, INC.
    G14843691Courtesy of TESLA, INC.
  67. Remove bolt and nut securing RH strut to lower control arm and move the RH front lower lateral link aside
    NOTE: 1x bolt, 21mm, 1x nut, 21mm, 106 N.m
    G00625515Courtesy of TESLA, INC.
  68. 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
  69. Remove bolts securing front skid plate and remove from vehicle
    NOTE: 4x bolts, EP10, 13 N.m, 2x bolts, 10mm, 5 N.m
    G14838996Courtesy of TESLA, INC.
    G00627079Courtesy of TESLA, INC.
  70. Remove clips securing RH wheel liner to rocker cover
    NOTE: 3x clips, Move aside for access
    G00625516Courtesy of TESLA, INC.
  71. Position coolant drain container underneath RH front of vehicle
    NOTE: Position to catch all coolant loss
    G14839081Courtesy of TESLA, INC.
  72. Disconnect FDU coolant inlet hose at RH front of HV battery and plug both hose ends
    NOTE: 1x spring clip
    G14838999Courtesy of TESLA, INC.
  73. Release supermanifold to heat exchanger coolant hose from heat exchanger
    NOTE: 1x spring clip
    G14839422Courtesy of TESLA, INC.
  74. Install plugs to both open coolant hose connections
    NOTE: 1x spring clip
    G14839421Courtesy of TESLA, INC.
  75. Remove coolant drain container from underneath vehicle
  76. Disconnect the logic connectors below steering gear
    NOTE: 2x connectors, Do not push down on red tab, Pull red tab to disengage lock, Pull again to release connector, Image zoomed out for location reference
    G14839002Courtesy of TESLA, INC.
    G14839003Courtesy of TESLA, INC.
  77. Release harness clip from subframe assembly
    NOTE: 1x clip, Image zoomed out for location reference
    G14839004Courtesy of TESLA, INC.
    G14839237Courtesy of TESLA, INC.
  78. Release harness clip from lower clip
    NOTE: 1x clip
    G14839238Courtesy of TESLA, INC.
  79. Release connection for the front subframe harness
    NOTE: 1x locking connector, Release red locking tab, Disengage connection and release
    G14844158Courtesy of TESLA, INC.
    G14839008Courtesy of TESLA, INC.
  80. Remove bolt securing FDU HV harness to the FDU
    NOTE: 1x bolt, 10mm, 10 N.m
    G14843726Courtesy of TESLA, INC.
  81. Release FDU HV harness connection
    NOTE: 1x locking connector. Release red locking tab and rotate the release lever up to disengage the connector, Do not force the release lever up, Ensure the alignment tabs on the FDU header are not damaged
    G14839010Courtesy of TESLA, INC.
    G00625517Courtesy of TESLA, INC.
    G00625518Courtesy of TESLA, INC.
    G00625519Courtesy of TESLA, INC.
  82. Release FDU HV harness from casting and move aside
    G14839070Courtesy of TESLA, INC.
    G00625520Courtesy of TESLA, INC.
    G00625521Courtesy of TESLA, INC.
  83. Remove bolt securing FDU ground strap to FDU
    NOTE: 1x bolt, 10mm, 6 N.m
    G00625522Courtesy of TESLA, INC.
  84. Remove FDU ground strap harness clip from FDU
    NOTE: 1x clip
    G00625523Courtesy of TESLA, INC.
  85. Loosen bolt securing FDU ground strap to HV battery and move aside
    NOTE: 1x bolt, 10mm, 10 N.m
    G14839068Courtesy of TESLA, INC.
    G00625524Courtesy of TESLA, INC.
  86. Move the subframe lifting tool underneath the front subframe area
    G00625525Courtesy of TESLA, INC.
  87. Connect air supply to subframe lifting tool
    G14839260Courtesy of TESLA, INC.
  88. Raise the powertrain table and subframe fixture into position
    NOTE: 2x subframe datums, 1x FDU datum, Raise fixture until the front subframe is fully supported, Line up the two subframe datums and support arms, Continue to line up the FDU datum and FDU support arm, Raise and adjust arms as needed,
    G14839016Courtesy of TESLA, INC.
    G00625526Courtesy of TESLA, INC.
    G00625527Courtesy of TESLA, INC.
    G00628021Courtesy of TESLA, INC.
  89. Fully secure straps from fixture onto front subframe
    G00625528Courtesy of TESLA, INC.
    G14839021Courtesy of TESLA, INC.
    G00625531Courtesy of TESLA, INC.
  90. Remove bolts securing front end carrier to LH front subframe crash can assembly
    NOTE: 2x bolts, 13mm, 16 N.m
    G14839058Courtesy of TESLA, INC.
  91. Remove bolts securing front end carrier to RH front subframe crash can assembly
    NOTE: 2x bolts, 13mm, 16 N.m
    G14839024Courtesy of TESLA, INC.
  92. Release FDU resolver connection
    NOTE: 1x locking connector, Release red locking tab and then release connection
    G00625529Courtesy of TESLA, INC.
  93. Remove bolt securing the RH motor mount to the RH motor mount bracket
    NOTE: 1x bolt, E18, 105 N.m
    G00625530Courtesy of TESLA, INC.
  94. Remove bolt securing the LH motor mount to the LH motor mount bracket
    NOTE: 1x bolt, E18, 105 N.m
    G00625532Courtesy of TESLA, INC.
  95. Mark LH/RH bolts securing front subframe to vehicle frame
    NOTE: 2x bolts, 21mm, 125 N.m, 2x bolts, 15mm, 50 N.m, 2x bolts, 18mm, 72 N.m, 2x bolts, 15mm, 50 N.m, Use a bright color paint marker to better visibility
    G00625533Courtesy of TESLA, INC.
  96. Remove bolts securing front subframe mid mounts to body
    NOTE: 2x bolts, 15mm, 50 N.m, Discard after removal
    G00625534Courtesy of TESLA, INC.
    G14839028Courtesy of TESLA, INC.
    G14839047Courtesy of TESLA, INC.
  97. Remove bolts securing the front portion of the front subframe to body
    NOTE: 2x bolts, 18mm, 72 N.m, Discard after removal
    G00627966Courtesy of TESLA, INC.
    G14839030Courtesy of TESLA, INC.
    G14839055Courtesy of TESLA, INC.
  98. Remove smaller bolts securing the rear portion of the front subframe to body
    NOTE: 2x bolts, 15mm, 50 N.m, Discard after removal
    G00625535Courtesy of TESLA, INC.
    G14839052Courtesy of TESLA, INC.
    G14839033Courtesy of TESLA, INC.
  99. Remove larger bolts securing the rear portion of the front subframe to body
    NOTE: 2x bolts, 21mm, 125 N.m, Discard after removal
    G00625536Courtesy of TESLA, INC.
    G14839040Courtesy of TESLA, INC.
    G14839035Courtesy of TESLA, INC.
  100. Lower front subframe assembly from vehicle
    NOTE: Keep an eye out for any components that could get caught while lowering
    G00625537Courtesy of TESLA, INC.
    G00625538Courtesy of TESLA, INC.
    G00625539Courtesy of TESLA, INC.
  101. Disconnect air supply from subframe lifting tool
    G14839841Courtesy of TESLA, INC.
  102. Remove subframe lifting tool from under vehicle
    G00625540Courtesy of TESLA, INC.
    G00625541Courtesy of TESLA, INC.
  103. Release the FDU inverter to oil cooler hose from the from inverter fluid coupling
    NOTE: 1x hose clip, Use a foldable funnel as required
    G00628026Courtesy of TESLA, INC.
    G00628027Courtesy of TESLA, INC.
    G00628028Courtesy of TESLA, INC.
  104. Remove the fastener securing the straight fluid coupling to the front drive inverter
    NOTE: 1x screw, T25, 6 N.m
    G00628023Courtesy of TESLA, INC.
  105. Remove the straight fluid coupling from the front drive inverter and discard
    G00628029Courtesy of TESLA, INC.
    G00628025Courtesy of TESLA, INC.
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