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Home >> Tesla >> 2024 >> Model 3 Base >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Rear Drive Unit -- Model 3 >> Rear Drive Unit Assembly >> Rear Drive Unit Assembly - Assembly, Breather, 3DU - Remove And Replace >> Install

Rear Drive Unit Assembly - Assembly, Breather, 3DU - Remove And Replace: Install

  1. Install the breather to the rear drive unit.

    5 N.m (3.7 lbs-ft) 

    Tip: Use of the following tool(s) is recommended:

    • 22 mm combination wrench
    G16604455Courtesy of TESLA, INC.
  2. Return the subframe fixture forward to its original position.
  3. Raise the rear subframe and rear drive unit.
  4. Hand-tighten the LH and RH bolts that attach the rear subframe to the body.
    NOTE: LH shown; RH similar
    G16604456Courtesy of TESLA, INC.
  5. Install the LH and RH rear subframe front shear plates. See REAR SUBFRAME - FRONT LEFT, REAR SUBFRAME SHEAR PLATE - REMOVE AND REPLACE .
  6. Position the subframe to the locations as marked during removal.
  7. Torque the LH and RH bolts that attach the rear subframe to the body, and then mark them with a paint pen after torquing.

    165 N.m (121.7 lbs-ft) 

    Tip: Use of the following tool(s) is recommended:

    • 21 mm socket
    • 6 in extension
    • Ratchet/torque wrench
    NOTE: LH shown; RH similar
    G16604457Courtesy of TESLA, INC.
  8. Lower the rear subframe lifting tool from the vehicle.
  9. Disconnect the air hose from the rear subframe lifting tool.
  10. Remove the subframe lifting tool from the vehicle.
  11. Install the HV battery to the rear drive unit harness. See HV HARNESSES - ASSEMBLY, HV HARNESS, RDU - REMOVE AND REPLACE .
  12. Install the rear drive unit inlet hose. See HOSES - TUBE (PT), RDU INVERTER INLET - REMOVE AND REPLACE .
  13. Install the rear HV battery skid plate. See HIGH VOLTAGE BATTERY ASSEMBLY - SKID PLATE, REAR, ECOAT, ENCLOSURE - REMOVE AND REPLACE .
  14. Install the stabilizer bar. See REAR STABILIZER BAR AND LINKS - REAR STABILIZER BAR ASSEMBLY - REMOVE AND REPLACE .
  15. Install the nut that attaches the rear drive unit ground strap to the body.

    10 N.m (7.4 lbs-ft) 

    Tip: Use of the following tool(s) is recommended:

    • 10 mm deep socket
    • Ratchet/torque wrench
    G16604458Courtesy of TESLA, INC.
  16. Fasten the clip that attaches the RH subframe harness to the body.
    G16604459Courtesy of TESLA, INC.
  17. Connect the RH subframe harness electrical connector.
    G16604460Courtesy of TESLA, INC.
  18. Install the rear fascia. See BUMPER AND FASCIA - REAR BUMPER FASCIA - REAR FASCIA - REMOVE AND INSTALL .
  19. Install the LH and RH rear suspension covers. See REAR UNDERTRAY AND DIFFUSER - LH REAR SUSPENSION COVER - REMOVE AND REPLACE .
  20. Install the rear aero shield panel. See REAR UNDERTRAY AND DIFFUSER - MODEL 3/Y, REAR AERO SHIELD - REMOVE AND REPLACE .
  21. Perform the vacuum refill procedure. See COOLING SYSTEM - VACUUM REFILL .
  22. Install the LH and RH wheels. See WHEEL ASSEMBLY - REMOVE AND INSTALL .
  23. Install the 2nd row lower seat cushion. See 2ND ROW SEAT ASSEMBLIES - 2ND ROW SEAT CUSHION - REMOVE AND REPLACE .
  24. Connect the LV power. See LV BATTERY - LI-ION - DISCONNECT AND CONNECT .
  25. Install the rear underhood apron. See UNDERHOOD TRIM - REAR APRON ASSEMBLY - REMOVE AND REPLACE .
  26. Install the LH and RH rear wheels. See WHEEL ASSEMBLY - REMOVE AND INSTALL .
  27. Remove the vehicle from the 2 post lift. See RAISE VEHICLE - 2 STANDS .
  28. In this procedure, the front or rear subframe was removed and reinstalled. Therefore, refer to the Alignment Requirement tables to determine whether an EPAS alignment check (EC) or four wheel alignment check (AC) is necessary. If performed, add the alignment check/adjust as a separate activity  . See ALIGNMENT REQUIREMENT - SUSPENSION .
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