2025-07-03

热交换器，3DU ((拆卸和更换))

校正代码 4001020032 FRT 2.04 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)。

  • 1096075-00-A Tool, Hub Puller, Hydraulic
  • 1053589-00-A Slide Hammer
  • 1498673-00-A Cable Axle Removal Kit
  • 1135762-00-A Coolant Hose Plug Kit
  • 1459409-00-A Hub Jack Adapter
  • 1050448-00-B Vacuum Refill Tool
  • 1065131-00-A Battery Coolant Drain Kit
  • 1479505-00-A M3/Y Vacuum Fill Adapter

扭矩规格

表 1. 扭矩规格： 热交换器，3DU ((拆卸和更换))
描述 扭矩值 推荐工具 重复使用/更换 备注
将后驱动单元热交换器固定到后驱动单元的螺栓（2 个）
5 Nm (3.7 lbs-ft) + 30 degrees
  • 外梅花套筒 Plus EP10
  • 1/4 英寸至 3/8 英寸适配器
  • 2 英寸加长件
  • 4 英寸加长件
  • 回旋头棘轮/回旋头扭矩扳手
 重复使用

拆卸

  1. Verify there is no abnormal tire wear per Courtesy Inspection.
  2. Move the vehicle to a 2 post lift. See 举升车辆 - 双柱举升机.
  3. Open all doors and lower all windows.
  4. Remove the rear underhood apron. See 后裙板总成 ((拆卸和更换)).
  5. On the touchscreen, tap Controls > Service > Towing to place the vehicle into tow mode.
  6. Place the vehicle in Service Mode by using the touchscreen. See 维护模式.
  7. Unlock the vehicle gateway. See 网关解锁.
  8. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Coolant System > Coolant Fill/Drain, click Run, and allow the routine to complete.
  9. Disconnect LV power. See 低压电池 - 锂离子（断开和连接） (Modify).
  10. Remove the RH rear halfshaft. See 后半轴 - 半轴总成，后 (左侧） ((拆卸和更换)).
  11. Position the coolant drain collector underneath the RH rear of the HV battery.
  12. Release the clip that attaches the rear drive unit outlet hose to the rear drive unit heat exchanger.
  13. Release the coolant outlet hose from rear driver unit heat exchanger, and plug both ends.
    Informational PurposesAn informational icon, calling your attention
    注
    Use a shop towel to clean any residue coolant if necessary. Coolant loss greater than 1L requires vacuum fill.
  14. Release the fir tree clip (x1) for upper coolant hose.
  15. Release the rear drive unit inverter coolant hose from heat exchanger.
    Informational PurposesAn informational icon, calling your attention
    注
    Use a foldable funnel as required.
  16. 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.
    Informational PurposesAn informational icon, calling your attention
    注
    The number of fasteners may vary due to production changes.
    Informational PurposesAn informational icon, calling your attention
    TIp
    推荐使用以下工具：
    • 外梅花套筒 Plus EP10
    • 1/4 英寸至 3/8 英寸适配器
    • 2 英寸加长件
    • 4 英寸加长件
    • 回旋头棘轮/回旋头扭矩扳手
  17. Remove the heat exchanger from the drive unit assembly.

安装

  1. Apply a light coat of KAF1 oil to the O-rings of the heat exchanger, and then wipe away any residue.
  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 degrees
    Informational PurposesAn informational icon, calling your attention
    TIp
    推荐使用以下工具：
    • 外梅花套筒 Plus EP10
    • 1/4 英寸至 3/8 英寸适配器
    • 2 英寸加长件
    • 4 英寸加长件
    • 回旋头棘轮/回旋头扭矩扳手
  3. Secure the rear drive unit inverter coolant hose to heat exchanger.
    Informational PurposesAn informational icon, calling your attention
    注
    Use a foldable funnel as required.
  4. Secure fir tree clip (x1) for upper coolant hose.
  5. Install coolant outlet hose to rear driver unit heat exchanger and plug both ends.
    Informational PurposesAn informational icon, calling your attention
    注
    Use a shop towel to clean any residue coolant if necessary. Coolant loss greater than 1L requires vacuum fill.
  6. Secure the clip that attaches the rear drive unit outlet hose to the rear drive unit heat exchanger.
  7. Remove the coolant drain collector from under the vehicle.
  8. Install the RH rear halfshaft. See 后半轴 - 半轴总成，后 (左侧） ((拆卸和更换)).
  9. Refill the rear drive unit with gearbox fluid. See 变速箱液 - 后驱动单元（3DU）（排空和再充注） ((拆卸和更换)).
  10. Perform a cooling system vacuum refill. See 冷却系统 - 真空再充注 (Test/Adjust).
  11. Install the 2nd row seat cushion. See 第二排座椅坐垫 ((拆卸和更换)).
  12. Connect the LV battery power. See 低压电池 - 锂离子（断开和连接） (Modify).
  13. Hold the brake pedal and select the park icon on the touchscreen to disable the EPB service mode.
  14. Disable Service Mode. See 维护模式.
  15. Install the rear underhood apron. See 后裙板总成 ((拆卸和更换)).
  16. Raise all windows and close all doors.
  17. Remove the vehicle from the 2 post lift.
  18. Review the wheel alignment requirements and add correction code as needed.