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Home >> Tesla >> 2021 >> Model X Long Range Plus >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Rear Drive Unit (1 Of 2) -- Model X >> Rear Drive Unit Assembly >> Drive Unit - Rear (Plaid) - Remove And Install >> Install
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Drive Unit - Rear (Plaid) - Remove And Install: Install

  1. Move the rear subframe and subframe lift to underneath the rear drive unit.
    G15420913Courtesy of TESLA, INC.
  2. With the help of an assistant, use the gantry to lower the rear drive unit sling tool, guide halfshafts away from the rear drive unit, and position the rear drive unit just above the rear subframe.
    G15420914Courtesy of TESLA, INC.
  3. Lower the rear drive unit sling tool so as to install and hand tighten the bolt that attaches the rear drive unit to the rear of the rear subframe.
    G15420915Courtesy of TESLA, INC.
  4. Install and hand tighten the bolt that attaches the rear drive unit to the RH side of the rear subframe.
    G15420916Courtesy of TESLA, INC.
  5. Install and hand tighten the bolt that attaches the rear drive unit to the LH side of the rear subframe.
    G15420917Courtesy of TESLA, INC.
  6. Lower the drive unit sling tool to release tension in the cables, and then remove the sling tool from the gantry.
    G15420918Courtesy of TESLA, INC.
  7. Remove the hooks (x3), and then remove the drive unit sling tool from the rear drive unit.
    NOTE: Remove the extra shackles on the blue and red cables.
    G15420919Courtesy of TESLA, INC.
  8. Tighten the rear drive unit mount bolts (x3).

    120 N.m (88.5 ft-lbs) 

    213 N.m (157.1 ft-lbs) 

    NOTE: Torque E18 120 N.m, torque EP20 213 N.m.
    G15420920Courtesy of TESLA, INC.
    G15420921Courtesy of TESLA, INC.
    G15420922Courtesy of TESLA, INC.
  9. Install the powertrain coolant return hose to the rear subframe, and then fasten the clips (x3) that attach the hose to the subframe.
    G15420923Courtesy of TESLA, INC.
  10. Install the rear subframe stiffener to the rear subframe, and then install the bolts (x4) that attach the stiffener to the subframe.

    120 N.m (88.5 ft-lbs) 

    G15420924Courtesy of TESLA, INC.
  11. Loosen the nut and bolt that attach the LH toe link to the LH rear knuckle.
    NOTE: Do not remove the nut or bolt.
    G15420925Courtesy of TESLA, INC.
  12. Loosen the nut and bolt that attach the LH upper fore link to the LH rear knuckle.
    NOTE: Do not remove the nut or bolt.
    G15420926Courtesy of TESLA, INC.
  13. Loosen the nut and bolt that attach the RH toe link to the RH rear knuckle.
    NOTE: Do not remove the nut or bolt.
    G15420927Courtesy of TESLA, INC.
  14. Loosen the nut and bolt that attach the RH upper fore link to the RH rear knuckle.
    NOTE: Do not remove the nut or bolt.
    G15420928Courtesy of TESLA, INC.
  15. Loosen the nut and bolts that attach the LH and RH upper aft links to the LH and RH rear knuckles.
    NOTE: Do not remove the nut or bolt.
    G15420929Courtesy of TESLA, INC.
  16. Remove the axle seal plug, and with the help of an assistant, install the LH rear halfshaft into the rear drive unit, and then firmly press the halfshaft into the drive unit so that the halfshaft is fully seated.
    NOTE: An audible click is heard when the halfshaft is fully seated and the C-clip is fully engaged.
    G15420930Courtesy of TESLA, INC.
  17. Install the bolts (x2) that attach the LH toe link to the rear subframe.

    85 N.m (62.7 ft-lbs) 

    NOTE: Support the knuckle while installing.
    G15420931Courtesy of TESLA, INC.
  18. Install the bolts (x2) that attach the LH upper fore link to the rear subframe.

    85 N.m (62.7 ft-lbs) 

    G15420932Courtesy of TESLA, INC.
  19. Install the bolts (x2) that attach the LH upper aft link to the rear subframe.

    85 N.m (62.7 ft-lbs) 

    G15420933Courtesy of TESLA, INC.
  20. Fasten the clip that attaches the electrical harness to the rear drive unit, and then connect the electrical harness to the LH ride height sensor connector.
    G15420934Courtesy of TESLA, INC.
  21. Install the bolt that attaches the LH ride height sensor arm to the LH upper fore link.

    8 N.m (5.9 ft-lbs) 

    G15420935Courtesy of TESLA, INC.
  22. Repeat step  28 through step  33 for the RH side of the vehicle.
  23. Install the ground strap to the rear drive unit and rear subframe, and then install the bolt and fasten the clip that attach the ground strap to the subframe.

    10 N.m (7.4 ft-lbs) 

    G15420936Courtesy of TESLA, INC.
  24. Install the rear subframe assembly. See Subframe Assembly - Rear (Plaid) (Remove and Install) .
  25. Install the rear fascia diffuser. See Diffuser - Rear Fascia (Remove and Replace) .
  26. Install the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace) .
  27. Install the rear wheels. See Wheel (Remove and Install) .
  28. Perform a cooling system vacuum refill. See Cooling System (Vacuum Refill) .
  29. Connect LV power. See LV Power (Disconnect and Connect) .
  30. Engage the electronic parking brake. See Park Brake Caliper - Release - Toolbox .
  31. Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Connect and Disconnect) .
  32. Perform a cooling system air purge. See Cooling System (Partial Refill and Bleed) .
  33. Disconnect the laptop with Toolbox 3 from the vehicle. See Toolbox 3 (Connect and Disconnect) .
  34. Install the underhood storage unit. See Underhood Storage Unit (Remove and Install) .
  35. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace) .
  36. Hold the LH and RH B-pillar upper buttons in the close position to manually calibrate the LH and RH falcon wing doors.
  37. Remove the vehicle from the 2 post lift. See Raise Vehicle - 2 Post Lift .
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