15/01/2024 18:46:53

热交换器 - 后驱动单元 (4DU)（拆卸和更换）

校正代码 40305232 0.90 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LaborTimeFeedback@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)。

  • 2024-01-10: Corrected spellings of "exchanger".
Warning IconA warning icon, calling your attention to a possibly risky situation
警告
本程序为“草案”。虽已通过验证，但可能仍有“警告”和“小心”事项缺失。请遵守安全要求，处理或靠近高压系统和部件时，请谨慎操作。请将校正修理内容及反馈发送至ServiceDevelopment@teslamotors.com。

拆卸

  1. Move the vehicle to a 2 post lift. See 举升车辆 - 双柱举升机.
  2. Enable Service Mode on the touchscreen. See 维护模式.
  3. Remove the rear underhood apron. See 前备箱挡板 - 后部（拆卸和更换）.
  4. Remove the cabin intake duct. See 槽 - 驾驶室进气（拆卸和更换）.
  5. Disconnect LV power. See 12V/低压电源（断开和连接）.
  6. Remove the mid aero shield panel. See 面板 - 流线型护板 - 中间（拆卸和更换）.
  7. Drain the gearbox fluid from the rear drive unit. See 变速箱油 - 后驱动单元 (4DU)（排放和重新加注）.
  8. Position the coolant drain collector underneath the RH rear of the HV battery.
  9. Release the clip that attaches the rear drive unit inverter to heat exchanger hose to the rear drive unit heat exchanger.
  10. Release the clip, disconnect the rear drive unit inverter to heat exchanger hose from the rear drive unit heat exchanger, immediately plug the heat exchanger fitting, allow the hose to drain, and then plug the hose fitting.
  11. Release the clip that attaches the rear drive unit outlet hose to the rear drive unit heat exchanger.
  12. Release the clip, disconnect the rear drive unit outlet hose from the rear drive unit heat exchanger, and then immediately plug both fittings.
  13. Remove the bolts (x2) that attach the rear drive unit heat exchanger to the rear drive unit, and then remove the heat exchanger from the drive unit.

安装

  1. Apply a light coat of KAF1 oil to the O-rings of the heat exchanger, and then wipe away any excess oil.
  2. Install the rear drive unit heat exchanger onto the rear drive unit, and then install the bolts (x2) that attach the heat exchanger to the drive unit.
    5 Nm (3.7 lbs-ft) +30 deg
  3. Remove the plugs from the fittings, immediately connect the rear drive unit outlet hose to the rear drive unit heat exchanger, fasten the clip, and then perform a Push-Pull-Push check of the fitting.
  4. Fasten the clip that attaches the rear drive unit outlet hose to the rear drive unit heat exchanger.
  5. Remove the plugs from the fittings, immediately connect the rear drive unit inverter to heat exchanger hose to the rear drive unit heat exchanger, fasten the clip, and then perform a Push-Pull-Push check of the fitting.
  6. Fasten the clip that attaches the rear drive unit inverter to heat exchanger hose to the rear drive unit heat exchanger.
  7. Remove the coolant drain collector from under the vehicle.
  8. Refill the rear drive unit with gearbox fluid. See 变速箱油 - 后驱动单元 (4DU)（排放和重新加注）.
  9. Install the mid aero shield panel. See 面板 - 流线型护板 - 中间（拆卸和更换）.
  10. Connect LV power. See 12V/低压电源（断开和连接）.
  11. On the touchscreen, touch the wrench icon > Diagnostics > Thermal > Actions.
    Informational PurposesAn informational icon, calling your attention
    注
    Alternatively, touch Controls (vehicle icon) > Service Mode > Diagnostics > Thermal > Actions.
  12. Hold up on the turn signal stalk, and then press and hold the brake pedal at the same time for 10 seconds to authorize.
  13. On the touchscreen, touch START to the left of “Start Coolant Air Purge” and wait for the task to complete (10 minutes).
    Informational PurposesAn informational icon, calling your attention
    注
    Alternatively, touch START to the left of “Start Coolant Air Purge”, touch RUN TASK, wait for the task to complete (10 minutes), then touch X in the upper left corner.
  14. Add coolant to the reservoir as necessary, and install the reservoir cap.
  15. Install the cabin intake duct. See 槽 - 驾驶室进气（拆卸和更换）.
  16. Install the rear underhood apron. See 前备箱挡板 - 后部（拆卸和更换）.
  17. Disable Service Mode. See 维护模式.
  18. Remove the vehicle from the 2 post lift. See 举升车辆 - 双柱举升机.