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

Drive Unit - Rear (Plaid) - Remove And Install: Remove

  1. Move the vehicle to a 2 post lift. See Raise Vehicle - 2 Post Lift .
  2. Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Connect and Disconnect) .
  3. Perform a thermal fluid fill/drain. See Thermal Fluid - Cooling System (Fill/Drain) .
  4. Release the electronic parking brake. See Park Brake Caliper - Release - Toolbox .
  5. Disconnect the laptop with Toolbox 3 from the vehicle. See Toolbox 3 (Connect and Disconnect) .
  6. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace) .
  7. Disconnect LV power. See LV Power (Disconnect and Connect) .
  8. Set the high voltage multimeter to DC voltage, lightly touch the probes to the auxiliary battery connector contacts, and verify that the multimeter displays a voltage.
    NOTE: Battery voltage is typically 14.5 to 15.5 volts.
    G15108049Courtesy of TESLA, INC.
    G15108050Courtesy of TESLA, INC.
  9. Remove the rear wheels. See Wheel (Remove and Install) .
  10. Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace) .
  11. Perform the vehicle electrical isolation procedure. See Vehicle Electrical Isolation Procedure .
  12. Remove the leather glove protectors and HV insulating gloves.
    G15108051Courtesy of TESLA, INC.
  13. Remove the rear fascia diffuser. See Diffuser - Rear Fascia (Remove and Replace) .
  14. Remove the LH and RH rear wheel arch liners. See Wheel Arch Liner - Rear - LH (Remove and Replace) .
  15. Remove the rear subframe assembly. See Subframe Assembly - Rear (Plaid) (Remove and Install) .
  16. Remove the bolt and release the clip that attach the ground strap to the rear drive unit and rear subframe, and then remove the ground strap from the subframe.
    G15108052Courtesy of TESLA, INC.
  17. Remove the bolt that attaches the LH ride height sensor arm to the LH upper fore link.
    G15108053Courtesy of TESLA, INC.
  18. Disconnect the electrical harness from the LH ride height sensor connector, and then release the clip that attaches the electrical harness to the rear drive unit.
    G15108054Courtesy of TESLA, INC.
  19. Remove the bolts (x2) that attach the LH upper aft link to the rear subframe.
    G15108055Courtesy of TESLA, INC.
  20. Remove the bolts (x2) that attach the LH upper fore link to the rear subframe.
    G15108056Courtesy of TESLA, INC.
  21. Remove the bolts (x2) that attach the LH toe link to the rear subframe.
    NOTE: Support the knuckle while removing.
    G15108057Courtesy of TESLA, INC.
  22. Install the axle removal tool around the inner joint of the LH rear halfshaft.
    NOTE: Make sure that the cable loop is not wrapped around the inner boot.
  23. Use the slide hammer to release the LH rear halfshaft from the rear drive unit.
    G15108058Courtesy of TESLA, INC.
  24. Repeat step  17 through step  23 for the RH side of the vehicle.
  25. Remove the bolts (x4) that attach the rear subframe stiffener to the rear subframe, and then remove the stiffener from the subframe.
    G15108059Courtesy of TESLA, INC.
  26. Release the clips (x3) that attach the powertrain coolant return hose to the rear subframe, and then remove the hose from the subframe.
    G15108060Courtesy of TESLA, INC.
  27. Position the subframe lift underneath the gantry.
    G15108061Courtesy of TESLA, INC.
  28. Install an additional shackle to the blue and red cables, and then use the hooks (x3) to attach the drive unit sling tool to the rear drive unit.
    G15108062Courtesy of TESLA, INC.
  29. Attach the drive unit sling tool to the gantry.
    G15108063Courtesy of TESLA, INC.
  30. Use the gantry to raise the drive unit sling tool so that there is slight tension in the cables.
    G15108064Courtesy of TESLA, INC.
  31. Remove the bolt that attaches the rear drive unit to the LH side of the rear subframe.
    G15108065Courtesy of TESLA, INC.
  32. Remove the bolt that attaches the rear drive unit to the RH side of the rear subframe.
    G15108066Courtesy of TESLA, INC.
  33. Remove the bolt that attaches the rear drive unit to the rear of the rear subframe.
    G15108067Courtesy of TESLA, INC.
  34. With the help of an assistant, use the gantry to raise the rear drive unit sling tool, guide halfshafts away from the rear drive unit, and separate the rear drive unit up from the rear subframe.
    CAUTION: Do not fully remove the drive unit from the rear subframe as the HV harnesses are still attached.
    G15108068Courtesy of TESLA, INC.
    G15108069Courtesy of TESLA, INC.
  35. Move the rear subframe and subframe lift out from underneath the rear drive unit.
    G15108070Courtesy of TESLA, INC.
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