03/06/2024 17:24:48

Befestigung – Antriebseinheit hinten – LH (4DU) (Ausbauen und Ersetzen)

Korrekturcode 40012012 2.22 HINWEIS: Sofern im Verfahren nicht ausdrücklich anders angegeben, spiegeln der obige Korrekturcode und die FRT den gesamten für die Durchführung dieses Verfahrens erforderlichen Aufwand wider, einschließlich der damit verbundenen Verfahren. Schichten Sie keine Korrekturcodes, wenn Sie nicht ausdrücklich dazu aufgefordert werden.HINWEIS: Unter Richtzeiten erfahren Sie mehr über FRTs und wie sie erstellt werden. Für Rückmeldungen zu den FRT-Werten senden Sie bitte eine E-Mail an LaborTimeFeedback@tesla.com. HINWEIS: Siehe Persönlicher Schutz, um sicherzustellen, dass Sie die richtige persönliche Schutzausrüstung tragen, wenn Sie das folgende Verfahren durchführen.

Warning IconA warning icon, calling your attention to a possibly risky situation
Warnung
Bei diesem Verfahren handelt es sich um einen ENTWURF, der jedoch bereits validiert wurde. Warn- und Sicherheitshinweise sind möglicherweise nicht vorhanden. Befolgen Sie die Sicherheitshinweise, und gehen Sie beim Arbeiten an oder in der Nähe von Hochspannungssystemen und -bauteilen äußerst vorsichtig vor. Übermitteln Sie Verbesserungsvorschläge und Feedback an ServiceDevelopment@teslamotors.com.

Ausbauen

  1. While performing the courtesy inspection, note any abnormal tire wear that could indicate the need for an alignment.
  2. Move the vehicle to a 2 post lift. See Fahrzeug heben - Zweisäulenhebebühne.
  3. Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Verbinden und Trennen).
  4. In Toolbox, click the Actions/Autodiag tab, type ‘Thermal' into the search field, click Start Thermal Fluid Fill/Drain (Coolant only), click Run, and then allow the routine to complete.
  5. Disconnect the laptop with Toolbox 3 from the vehicle. See Toolbox 3 (Verbinden und Trennen).
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Do not close this instance of Toolbox 3 as it is needed later on in the procedure.
  6. Remove the rear underhood apron. See Unterhaubenschürze – Hinten (Ausbauen und Ersetzen).
  7. Remove the HEPA filter assembly. See Baugruppe – Filter – HEPA (Ausbauen und Ersetzen).
  8. Disconnect LV power. See 12-V-/Niederspannungsversorgung (Trennen und Verbinden).
  9. Führen Sie das HV-Abschaltverfahren aus. Siehe HV-Abschaltverfahren des Fahrzeugs.
  10. Remove the LH and RH rear wheels. See Rad (Ausbauen und Ersetzen).
  11. Remove the LH and RH rear suspension covers. See Abdeckung – Hinterachsfederung – LH (Ausbauen und Ersetzen).
  12. Remove the mid aero shield panel. See Verkleidung – Windabweiser – Mitte (Ausbauen und Ersetzen).
  13. Remove the rear diffuser. See Diffusor – Hinterer Stoßfänger (Ausbauen und Ersetzen).
  14. Release the red locking tab and then disconnect the electrical harness from the rear subframe harness RH connector.
  15. Release the clip that attaches the rear subframe harness to the body on the RH side.
  16. Release the red locking tab and then disconnect the electrical harness from the rear subframe harness LH connector.
  17. Release the clip that attaches the rear subframe harness to the body on the LH side.
  18. Remove the nut that attaches the rear drive unit ground strap to the body, and then remove the ground strap from the body.
  19. Remove and discard the nut that attaches the LH rear stabilizer bar end link to the rear stabilizer bar.
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Use a 5mm allen wrench to prevent the ball joint stud from turning and damaging the ball joint.
  20. Remove LH rear stabilizer bar end link from the rear stabilizer bar.
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Move the stabilizer bar up and down to ease removal of the end link.
  21. Remove and discard the nut that attaches the RH rear stabilizer bar end link to the rear stabilizer bar.
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Use a 5mm allen wrench to prevent the ball joint stud from turning and damaging the ball joint.
  22. Remove RH rear stabilizer bar end link from the rear stabilizer bar.
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Move the stabilizer bar up and down to ease removal of the end link.
  23. Remove and discard the bolts (x4) that attach the rear stabilizer bar to the rear subframe, and then remove the stabilizer bar from the subframe.
  24. Release the clips (x2) that attach the coolant hoses to LH shear plate.
  25. Release the clips (x4) that secure coolant hoses to the rear skid plate.
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Clip quantity varies with older vehicles.
  26. Release the clips (x2) that attach the coolant hoses to RH shear plate.
  27. Remove the HV battery rear skid plate. See Rutschplatte – HV-Batterie – Hinten (Ausbauen und Ersetzen).
  28. Position a coolant drain collector underneath the LH rear of the HV battery.
  29. Release the clip, disconnect the rear drive unit inverter inlet hose from the HV battery, and then immediately plug both fittings.
  30. Release the clip, disconnect the rear drive unit inverter inlet hose from the rear drive unit inverter, and then immediately plug both fittings.
  31. Release the clip that attaches the rear drive unit inverter inlet tube from rear drive unit HV harness.
  32. Remove the rear drive unit inverter inlet tube down and out from between the rear subframe and the HV battery.
  33. Remove the coolant drain collector from under the vehicle.
  34. Release the locking tab, push the handle downward, and then disconnect the rear subframe electrical harness from the rear drive unit inverter logic connector.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    ACHTUNG
    Once disconnected, make sure that coolant does not get into the connectors.
  35. Release the clip that attaches the rear subframe electrical harness to the rear drive unit inverter.
  36. Remove the bolt that attaches the rear drive unit HV harness bracket to the rear drive unit inverter.
  37. Slide the locking tab, raise the black handle, disconnect the rear drive unit HV harness from the rear drive unit inverter HV header,and then set the HV harness aside.
  38. Remove the nut(s) that attach(es) the rear drive unit HV harness bracket to the HV battery.
  39. Slide the red locking tab, raise the black handle, and then disconnect the rear drive unit HV harness from the HV battery header.
  40. Remove the rear drive unit HV harness down and out from between the rear subframe and the HV battery.
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Rotate the harness as it is removed to allow access for the bracket.
  41. Position the subframe lifting tool under, and up against the rear subframe.
  42. With the help of an assistant, fully secure the straps (x3) that attach the rear subframe to the subframe lifting tool.
  43. Use a paint pen to trace around the LH and RH rear subframe mounting bolts, so that the bolts can be realigned later during the subframe installation.
  44. Use a paint pen to apply a witness mark where the rear subframe contacts the body at the LH and RH rear subframe mounting bolts, so that the subframe can be realigned to the body later during subframe installation.
  45. Remove the small bolts (x2) that attach the LH shear plate to the HV battery.
  46. Remove the large bolt that attaches the LH shear plate and rear subframe to the body, and then remove shear plate.
  47. Remove the small bolts (x2) that attach the RH shear plate to the HV battery.
  48. Remove the large bolt that attaches the RH shear plate and rear subframe to the body, and then remove shear plate.
  49. Remove and discard the LH rear subframe bolt that attaches the subframe to the body.
  50. Remove and discard the RH rear subframe bolt that attaches the subframe to the body.
  51. Carefully lower the subframe and rear drive unit assembly approximately 8.25 cm (3.25 in) from the vehicle.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warnung
    Do not lower the subframe any more than 8.25 cm (3.25 in) as suspension and brake components are still attached to both the subframe and the body.
  52. Tilt the subframe fixture forward in order to access motor mount fasteners.
  53. Insert a rubber or wood block between the rear drive unit and the subframe fixture so as to support the rear drive unit while the LH mount is removed.
  54. Release the clip that attaches the rear drive unit ground strap to the rear subframe.
  55. Release the clips (x2) that attach the rear drive unit inverter to heat exchanger hose to the rear drive unit.
  56. Remove the LH mount bolt that attaches the rear drive unit LH mount to the rear subframe.
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Use a pry bar between the block and rear drive unit to unload the bolt so that it can be removed.
  57. Remove and discard the bolts (x3) that attach the rear drive unit LH mount to the rear drive unit.
  58. Release the clip, disconnect the rear drive unit inverter to heat exchanger hose from the rear drive unit inverter outlet, and then immediately plug both fittings.
  59. Remove the rear drive unit LH mount up, over, and out between the rear subframe and the body.

Montieren

  1. Install the rear drive unit LH mount in, over, and down between the rear subframe and the body.
  2. Remove the plugs from the fittings, immediately connect the rear drive unit inverter to heat exchanger hose to the rear drive unit inverter outlet, fasten the clip, and then perform a Push-Pull-Push check of the fitting.
  3. Install the rear drive unit LH mount to the rear drive unit, and then install and hand-tighten new bolts (x3) to attach the mount to the drive unit.
  4. Tighten the bolts (x3) that attach the rear drive unit LH mount to the rear drive unit in the sequence shown.
    35 Nm (25.8 lbs-ft) +55 deg
  5. Install the LH mount bolt that attaches the rear drive unit LH mount to the rear subframe.
    80 Nm (59.0 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Use a pry bar between the block and rear drive unit to position the mount so that the bolt can be installed.
  6. Fasten the clips (x2) that attach the rear drive unit inverter to heat exchanger hose to the rear drive unit.
  7. Fasten the clip that attaches the rear drive unit ground strap to the rear subframe.
  8. Remove the block from between the rear drive unit and the subframe fixture.
  9. Tilt the subframe fixture backward to its original position.
  10. Carefully raise the subframe and rear drive unit assembly until they are up against the body.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    ACHTUNG
    Be mindful of the suspension and brake components that are still attached to both the subframe and the body.
  11. Install and hand-tighten a new RH rear subframe bolt to attach the rear subframe to the body.
  12. Install and hand-tighten a new LH rear subframe bolt to attach the rear subframe to the body.
  13. Install the RH shear plate to the rear subframe, and then install a new large bolt to attach the RH shear plate and rear subframe to the body.
  14. Install and hand-tighten the small bolts (x2) that attach the RH shear plate to the HV battery.
  15. Install the LH shear plate to the rear subframe, and then install a new large bolt to attach the LH shear plate and rear subframe to the body.
  16. Install and hand-tighten the small bolts (x2) that attach the LH shear plate to the HV battery.
  17. Use a pry bar to shimmy the rear subframe with respect to the body, so that the subframe mounting bolts are centered in the tracings, and the witness marks align where the subframe contacts the body.
  18. Tighten the RH rear subframe bolt that attaches the rear subframe to the body, and then mark the bolt after tightenting.
    165 Nm (121.7 lbs-ft)
  19. Tighten the LH rear subframe bolt that attaches the rear subframe to the body, and then mark the bolt after tightenting.
    165 Nm (121.7 lbs-ft)
  20. Tighten large bolt that attaches the LH shear plate and rear subframe to the body, and then mark the bolt after tightenting.
    130 Nm (95.9 lbs-ft)
  21. Tighten large bolt that attaches the RH shear plate and rear subframe to the body, and then mark the bolt after tightenting.
    130 Nm (95.9 lbs-ft)
  22. Tighten the small bolts (x2) that attach the RH shear plate to the HV battery.
    35 Nm (25.8 lbs-ft)
  23. Tighten the small bolts (x2) that attach the LH shear plate to the HV battery.
    35 Nm (25.8 lbs-ft)
  24. Release the straps (x3) that attach the rear subframe to the subframe lifting tool.
  25. Lower the subframe lifting tool, and move it out from under the vehicle.
  26. Install the rear drive unit HV harness in and up between the rear subframe and the HV battery.
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Rotate the harness as it is installed to allow access for the bracket.
  27. Verify that the black release lever of the rear drive unit HV harness connector is in the open position, install the connector flat and square to the HV battery header, secure the release lever to the closed position, and then slide the red connector locking tab.
  28. Install the nut(s) that attach(es) the rear drive unit HV harness bracket to the HV battery.
    10 Nm (7.4 lbs-ft)
  29. Verify that the black release lever of the rear drive unit HV harness connector is in the open position, install the connector flat and square to the rear drive unit inverter HV header, secure the release lever to the closed position, and then slide the connector locking tab.
  30. Install the bolt that attaches the rear drive unit HV harness bracket to the rear drive unit inverter.
    6 Nm (4.4 lbs-ft)
  31. Inspect the rear subframe electrical harness logic connector and the rear drive unit inverter logic connector for coolant, and use shop air and a clean dry shop towel to remove any coolant from the connectors.
  32. Connect the rear subframe electrical harness to the rear drive unit inverter logic connector, raise the handle upward, and fasten the locking tab.
  33. Fasten the clip that attaches the rear subframe electrical harness to the rear drive unit inverter.
  34. Position a coolant drain collector underneath the LH rear of the HV battery.
  35. Install the rear drive unit inverter inlet tube in and up between the rear subframe and the HV battery.
  36. Fasten the clip that attaches the rear drive unit inverter inlet tube to rear drive unit HV harness.
  37. Remove the plugs from the fittings, immediately connect the rear drive unit inverter inlet hose to the rear drive unit inverter, fasten the clip, and then perform a Push-Pull-Push check of the fitting.
  38. Remove the plugs from the fittings, immediately connect the rear drive unit inverter inlet hose to the HV battery, fasten the clip, and then perform a Push-Pull-Push check of the fitting.
  39. Remove the coolant drain collector from under the vehicle.
  40. Install the HV battery rear skid plate. See Rutschplatte – HV-Batterie – Hinten (Ausbauen und Ersetzen).
  41. Fasten the clips (x2) that attach the coolant hoses to RH shear plate.
  42. Fasten the clips (x4) that secure coolant hoses to the rear skid plate.
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Clip quantity varies with older vehicles.
  43. Fasten the clips (x2) that attach the coolant hoses to LH shear plate.
  44. Install the rear stabilizer bar to the rear subframe, and then install new bolts (x4) to attach the stabilizer bar to the subframe.
    30 Nm (22.1 lbs-ft)
  45. Install the LH rear stabilizer bar end link into the rear stabilizer bar.
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Move the stabilizer bar up and down to ease installation of the end link.
  46. Install a new nut to attach the LH rear stabilizer bar end link to the rear stabilizer bar.
    55 Nm (40.6 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Use a 5mm allen wrench to prevent the ball joint stud from turning and damaging the ball joint.
  47. Install the RH rear stabilizer bar end link into the rear stabilizer bar.
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Move the stabilizer bar up and down to ease installation of the end link.
  48. Install a new nut to attach the RH rear stabilizer bar end link to the rear stabilizer bar.
    55 Nm (40.6 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Anmerkung
    Use a 5mm allen wrench to prevent the ball joint stud from turning and damaging the ball joint.
  49. Install the rear drive unit ground strap to the body, and then install the nut that attaches the ground strap to the body.
    10 Nm (7.4 lbs-ft)
  50. Fasten the clip that attaches the rear subframe harness to the body on the LH side.
  51. Connect electrical harness to the rear subframe harness LH connector and then fasten the red locking tab.
  52. Fasten the clip that attaches the rear subframe harness to the body on the RH side.
  53. Connect electrical harness to the rear subframe harness RH connector and then fasten the red locking tab.
  54. Install the rear diffuser. See Diffusor – Hinterer Stoßfänger (Ausbauen und Ersetzen).
  55. Install the mid aero shield panel. See Verkleidung – Windabweiser – Mitte (Ausbauen und Ersetzen).
  56. Install the LH and RH rear suspension covers. See Abdeckung – Hinterachsfederung – LH (Ausbauen und Ersetzen).
  57. Install the LH and RH rear wheels. See Rad (Ausbauen und Ersetzen).
  58. Perform a cooling system vacuum refill. See Kühlsystem (Vakuumbefüllung).
  59. Connect LV power. See 12-V-/Niederspannungsversorgung (Trennen und Verbinden).
  60. Reconnect the laptop with Toolbox 3 to the vehicle.
  61. In Toolbox, click the Actions/Autodiag tab, type ‘Thermal' into the search field, click Stop Thermal Fluid Fill/Drain, click Run, and then allow the routine to complete.
  62. Click the Actions/Autodiag tab, type ‘Purge' into the search field, click Coolant Air Purge, click Run, and then allow the routine to complete.
  63. Disconnect the laptop with Toolbox 3 from the vehicle.
  64. Add coolant to the reservoir as necessary, and install the reservoir cap.
  65. Install the HEPA filter assembly. See Baugruppe – Filter – HEPA (Ausbauen und Ersetzen).
  66. Install the rear underhood apron. See Unterhaubenschürze – Hinten (Ausbauen und Ersetzen).
  67. Remove the vehicle from the 2 post lift. See Fahrzeug heben - Zweisäulenhebebühne.
  68. Perform a validation test drive at road and highway speeds to determine if an alignment check is necessary.
    • If the test drive shows the vehicle to track poorly or pull to the side, or if steering is sloppy or off center, then perform a four wheel alignment check. See Achsvermessung, and add this service to the SV.
    • If the test drive shows the vehicle to steer and handle as expected, then an alignment check is not necessary.