2025-07-03

驱动单元电动油泵，4DU ((拆卸和更换))

校正代码 4001010032 0.84 注意：除非本程序中另有明确规定，否则上述校正代码和 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。要提供有关 FRT 值的反馈，请发送电子邮件至ServiceManualFeedback@tesla.com。 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)。

扭矩规格

表 1. 扭矩规格：
描述 扭矩值 推荐工具 重复使用/更换 备注
机油塞上的加注塞
15 Nm (11.1 lbs-ft)
  • 8 毫米套筒
  • 回旋头棘轮/回旋头扭矩扳手
 重复使用
机油塞上的排放塞
15 Nm (11.1 lbs-ft)
  • 8 毫米套筒
  • 回旋头棘轮/回旋头扭矩扳手
 重复使用
将后驱动单元机油泵固定到后驱动单元的螺栓（2 个）
5 Nm (3.7 lbs-ft) + 20 deg
  • EPL10 套筒
  • 带角度测量的扭矩扳手

拆卸

  1. Move the vehicle to a 2 post lift. See 举升车辆 - 双支撑架.
  2. Disconnect the LV battery power. See 低压电源（断开和连接）.
  3. Remove mid aero shield. See 流线型护板 - 中 ((拆卸和更换))
  4. Pull the red tab, and then pull the red tab again to disconnect the rear subframe harness from the rear drive unit oil pump connector.
  5. Remove the fill plug from the oil pump.
    Informational PurposesAn informational icon, calling your attention
    TIp
    推荐使用以下工具：
    • 8 毫米套筒
    • 回旋头棘轮/回旋头扭矩扳手
  6. Position an oil drain collector under the rear drive unit oil pump.
  7. Remove the drain plug from the oil pump.
    Informational PurposesAn informational icon, calling your attention
    注
    Inspect the O-ring for damage, and if the O-ring is damaged, replace the O-ring.
    Informational PurposesAn informational icon, calling your attention
    TIp
    推荐使用以下工具：
    • 8 毫米套筒
    • 回旋头棘轮/回旋头扭矩扳手
  8. Allow 10 minutes for the oil to drain naturally until it reaches the droplet stage.
  9. Install the drain plug from the oil pump.
    15 Nm (11.1 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    注
    Inspect the O-ring for damage, and if the O-ring is damaged, replace the O-ring.
    Informational PurposesAn informational icon, calling your attention
    TIp
    推荐使用以下工具：
    • 8 毫米套筒
    • 回旋头棘轮/回旋头扭矩扳手
  10. Remove the bolts (x2) that attach the rear drive unit oil pump to the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    TIp
    推荐使用以下工具：
    • EPL10 套筒
    • 带角度测量的扭矩扳手
  11. Use a plastic pry tool to separate the rear drive unit oil pump from the rear drive unit, remove the oil pump, and allow the fluid to drain.

安装

  1. Apply a light coat of ATF-9 oil to the O-rings of the rear drive unit oil pump, and then wipe away any excess oil.
  2. Position the oil pump to the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    注
    Inspect the O-rings for damage; if damaged, replace the O-rings.
  3. Install the bolts (x2) that attach the rear drive unit oil pump to the rear drive unit.
    5 Nm (3.7 lbs-ft) + 20 deg
    Informational PurposesAn informational icon, calling your attention
    TIp
    推荐使用以下工具：
    • EPL10 套筒
    • 带角度测量的扭矩扳手
  4. Fill a 3000mL measuring container with 2.5L/2500mL of KAF1 gearbox fluid.
    Informational PurposesAn informational icon, calling your attention
    注
    The rear drive unit requires 2.3L/2300mL of fluid, however the excess fluid will prevent underfill and air entrapment.
  5. Connect the 12V power supply to the oil pump.
  6. Install the hoses onto the fluid transfer pump.
  7. Place the measuring container and the fluid transfer pump into the oil drain basket.
  8. Insert the output hose of the fluid transfer pump into the fill hole of the rear drive unit until fully seated, then pull back 5 mm.
  9. Fully submerge the input hose of the fluid transfer pump into the measuring container.
  10. Pump 2.3L/2300mL of KAF1 gearbox fluid into the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    注
    Recommend an assistant to perform this step; the assistant will run oil pump switchbox using XP-10 Jump Pack and have the fill plug ready for installation.
    Informational PurposesAn informational icon, calling your attention
    注
    Make sure the input hose end remains submerged, so that air is not pumped into the gearbox.
    Informational PurposesAn informational icon, calling your attention
    注
    When properly filled, there should be 200mL or less of gearbox fluid left in the measuring containter.
  11. Remove the output hose from the rear drive unit.
  12. Install the fill plug from the oil pump.
    15 Nm (11.1 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    注
    Inspect the O-ring for damage, and if the O-ring is damaged, replace the O-ring.
    Informational PurposesAn informational icon, calling your attention
    TIp
    推荐使用以下工具：
    • 8 毫米套筒
    • 回旋头棘轮/回旋头扭矩扳手
  13. Put on face shielding PPE.
  14. Spray the working area of the rear drive unit with brake cleaner, and then wipe off residual fluid with a clean shop towel.
  15. Disconnect the 12V power supply tool from the oil pump.
  16. Connect the oil pump connector.
  17. Remove the oil drain collector out from under the rear drive unit.
  18. Install mid aero shield. See 流线型护板 - 中 ((拆卸和更换))
  19. Connect the LV battery power. See 低压电源（断开和连接）.
  20. Reinstall vehicle software. See 软件重新安装 - 触摸屏.
  21. Locally connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3（连接和断开）.
  22. On the laptop, select Actions tab, and search for "Oil Pump Low Pressure Test - Rear Drive Unit". Select TEST-SELF_DIR_X_OIL-PUMP-PRESSUREvia Toolbox: (link), click Run, and allow the routine to complete.
  23. Disconnect the laptop.
  24. Exit Service Mode. See 维护模式.
  25. Raise LH front window and close LH front door.
  26. Remove the vehicle from the 2 post lift. See 举升车辆 - 双支撑架.