2026-01-12

变速箱油 - 后驱动电机（4DU）（排空和再充注） (Maintenance)

校正代码 40300122 0.48 注意： 除非本程序中另有明确规定，否则上文所列校正代码和 FRT 反映的是执行本程序（包括关联程序）所需的所有工作。 除非明确要求，否则请勿堆叠校正代码。 注意： 请参阅平均维修工时深入了解 FRT 及其创建方式。 注意： 请参阅人员保护确保在执行以下程序时穿戴适当的个人防护装备 (PPE)。 注意： 请参阅人体工程学注意事项查看安全健康的作业规程。

  • 2025-12-29: Released new procedure.

拆卸

  1. Raise and support the vehicle. See 举升车辆 - 双柱举升机.
  2. Remove the rear aero shield. See 流线型护板 - 后 ((拆卸和更换)).
  3. Disconnect the oil pump connector.
  4. Position an oil drain container under the rear of the vehicle.
  5. Remove the fill plug from the rear drive unit.
  6. Release the oil drain plug from the rear drive unit.
  7. Connect 12V power to an oil pump switch box.
  8. Connect the oil pump switch box to the oil pump connector.
  9. Run the oil pump for 1 minute and drain remaining oil from the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    注
    Run the pump and allow the full capacity of oil to be drained from the rear drive unit. The pump speed increases when it runs dry. Do not run the pump for more than 10 seconds when it is running dry.
  10. Disconnect the oil pump switch box from the oil pump.

安装

  1. Install the oil drain plug onto the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    注
    Make sure that the O-ring is not damaged. Replace the plug as needed.
  2. Set up the fill kit with KAF1.
    Informational PurposesAn informational icon, calling your attention
    注
    Fill a measuring container to 2.5 ltr. The 4DU rear drive unit will take 2.3 ltr of fluid, but add extra oil to container as it will prevent underfill and additional air being introduced. Only use KAF1 fluid for the 4DU rear drive unit, and do not interchange or mix oil types.
  3. Install the fluid transfer pump.
    Informational PurposesAn informational icon, calling your attention
    注
    Trim both input and output hoses to 26". Insert output hose into fill hole until fully seated, then pull back 5 mm.
  4. Perform the oil filling process.
    Informational PurposesAn informational icon, calling your attention
    注
    Place the fluid container in the drain basket, fully submerge input hose, and then prime the pump.
  5. Pump fluid into the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    注
    Fill specification for the 4DU is 2.3 ltr. The excess gearbox fluid in the fill container allows the oil pump to dispense the full 2.3L without drawing air. Make sure that there is less than 200 ml left when completed.
  6. Install the oil drain plug onto the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    注
    Make sure that the O-ring is not damaged. Replace the plug as needed.
  7. Spray the working area with brake cleaner and wipe residual fluid off with a shop towel.
  8. Remove the oil drain container from underneath the rear drive unit.
  9. Connect the oil pump connector.
  10. Install the rear aero shield. See 流线型护板 - 后 ((拆卸和更换)).
  11. Enable Service Mode Plus. See 维护模式增强版.
  12. 运行 ODIN 例行程序 TEST-SELF_DIR_X_OIL-PUMP-PRESSUREvia Toolbox:(link).
  13. Remove the laptop from the vehicle.
  14. Exit Service Mode Plus. See 维护模式增强版.