2026-08-09

切断阀 - 液冷冷凝器(带加热泵款)(拆卸和更换)

校正代码 18401502 0.36 NOTE: Unless otherwise explicitly stated in the procedure, the correction code and its associated FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. NOTE: See 人员保护 to make sure wearing proper PPE when performing the below procedure. NOTE: See 人体工程学注意事项 for safe and healthy working practices.

  • 2026-05-15: 添加了检查制冷剂系统压力的步骤,删除了紧急响应回路步骤以及温度系统/暖通空调 (HVAC) 性能测试步骤。
  • 2023 年 4 月 4 日:更新了空调机油规格中要用于液体和容量的空调机油类型。
  • 2024 年 2 月 29 日:将执行例行程序的方式从使用 Toolbox 更新为使用触摸屏。
警告
Model 3 thermal management components operate under very tight specifications and can malfunction if Service procedures are not carefully followed. DO NOT rely on past experience with other thermal management systems; read through the Service Manual and do not deviate from the instructions.
注
This procedure requires the A/C Refrigerant (Recovery and Recharge) procedure to be performed. If not already automatically added to the Service Visit, add correction code 18200102 as a separate correction within the same activity to the Service Visit.

扭矩规格

表 1. 扭矩规格: 切断阀 - 液冷冷凝器(带加热泵款)(拆卸和更换)
描述 扭矩值 推荐工具 重复使用/更换 备注
Bolt that attaches the supermanifold-to-compressor A/C line to the supermanifold
22 Nm (16.2 lbs-ft)
  • 13 mm 套筒
重复使用
Bolt that attaches the liquid cooled condenser shut off valve connector assembly to the shut off valve
5 Nm (3.7 lbs-ft)
  • 3 毫米 6 角
重复使用
Liquid cooled condenser shut off valve
19 Nm (14.0 lbs-ft)
  • 1588744-00-A - 切断阀套筒,36 毫米,1/2 英寸钻头
N/A

拆卸

  1. 设置空调机。
  2. 打开左侧前车门,降下左侧前车窗。
  3. 通过“维护模式”或 Toolbox 执行以下例行程序(请参阅0005 - 维护模式): PROC_VCFRONT_X_START-THERMAL-FILL-DRAINvia Service Mode:
    • Thermal ➜ Actions ➜ Start Thermal Fill/Drain
    • Thermal ➜ Coolant System ➜ Start Coolant Fill/Drain
    • Thermal ➜ Refrigerant System ➜ Start Refrigerant Fill/Drain
    via Service Mode Plus:
    • Drive Unit ➜ Front Drive Unit Replacement ➜ Start Coolant Fill/Drain
    • Drive Unit ➜ Rear Drive Unit Replacement ➜ Start Coolant Fill/Drain
    via Toolbox:(link)
    注
    完成后,选择窗口右上角的“X”关闭,“Thermal Fluid Fill/Drain”例程的时间限制为 5 小时,5 小时后,EXV 将关闭,必须重新执行此例程,通过“Garage >Thermal > Refrigerant”回路 EXV 确认 EXV 处于打开位置,确认 LCC、左侧 CC、蒸发器、右侧 CC、冷却器均处于 ~100%。再循环处于 ~20% 状态,液冷器冷凝器 (LCC) 电磁阀处于打开状态
  4. 拆卸前备箱储物单元。请参阅 前备箱储物单元(拆卸和更换)。
  5. 回收空调制冷剂。请参阅 空调制冷剂(回收和重新加注)。
  6. On the touchscreen, make sure that the refrigerant system pressure is at atmospheric level (approx. 1 bar).
    注
    On the touchscreen, touch Service Mode > Thermal > Refrigerant System.
  7. 在触摸屏上,点击Safety > Power Off以关闭车辆电源。
  8. 将空调软管从车辆上拆下。
  9. Carefully depress the Schrader valves (x2) to level out any pressure difference between the A/C system pressure and the actual ambient atmospheric pressure.
    警告
    Make sure to depress both Schrader valves. Failure to do so may result in injury.
  10. 拆下将超级歧管至压缩机空调管路固定到超级歧管的螺栓。
    提示
    推荐使用以下工具
    • 13 mm 套筒
  11. 将超级歧管至压缩机空调管路从超级歧管上拆下,然后用 S 型钩将其挂在前备箱储物单元支撑梁上。
    注
    小心放置管路,避免机油滴出。
  12. 松开锁片,然后断开高压和温度传感器上的电气连接器。
    警告
    DO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling the main body of the connector to fully disconnect it.
  13. 松开锁片,然后断开再循环膨胀阀上的电气连接器。
    警告
    DO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling the main body of the connector to fully disconnect it.
  14. 松开锁片,然后断开液冷冷凝器膨胀阀上的电气连接器。
    警告
    DO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling the main body of the connector to fully disconnect it.
  15. 松开锁片,然后断开液冷冷凝器切断阀上的电气连接器。
    警告
    DO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling the main body of the connector to fully disconnect it.
  16. 松开锁片,然后断开驾驶室右侧冷凝器膨胀阀上的电气连接器。
    警告
    DO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling the main body of the connector to fully disconnect it.
  17. 松开锁片,然后断开高压和温度过冷式传感器上的电气连接器。
    警告
    DO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling the main body of the connector to fully disconnect it.
  18. 松开锁片,然后断开驾驶室左侧冷凝器膨胀阀上的电气连接器。
    警告
    DO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling the main body of the connector to fully disconnect it.
  19. 松开锁片,然后断开冷却器膨胀阀上的电气连接器。
    警告
    DO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling the main body of the connector to fully disconnect it.
  20. 松开锁片,然后断开蒸发器膨胀阀上的电气连接器。
    警告
    DO NOT push down on the red locking tab. Pull the tab away from the connector until the connector is unlocked, and then continue pulling the main body of the connector to fully disconnect it.
  21. 将超级歧管线束从超级歧管上拆下,并将其放置在前备箱支撑梁上。
  22. 拆下将液冷冷凝器切断阀线圈固定到切断阀的螺栓。
    提示
    推荐使用以下工具
    • 3 毫米 6 角
  23. 将液冷冷凝器切断阀连接器总成从超级歧管上拆下。
  24. 从超级歧管上拆下液冷冷凝器切断阀。
    警告
    Use only hand tools to remove the shut off valve. Impact or power tools will break the threads.
    提示
    推荐使用以下工具
    • 1588744-00-A - 切断阀套筒,36 毫米,1/2 英寸钻头

安装

  1. 使用适当的空调机油润滑液冷冷凝器切断阀螺纹和 O 型环。请参阅 液体和容量了解空调机油规格。然后用手将切断阀预拧到超级歧管中。
  2. 完全紧固超级歧管上的液冷冷凝器切断阀。
    19 Nm (14.0 lbs-ft)
    警告
    Use only hand tools to install the shut off valve. Impact or power tools will break the threads.
    提示
    推荐使用以下工具
    • 1588744-00-A - 切断阀套筒,36 毫米,1/2 英寸钻头
  3. 将液冷冷凝器切断阀连接器总成放置在切断阀上。
    注
    将连接器总成上的锁片与切断阀上的凹口对齐。
  4. 安装将液冷冷凝器切断阀线圈固定到切断阀的螺栓。
    5 Nm (3.7 lbs-ft)
    提示
    推荐使用以下工具
    • 3 毫米 6 角
  5. 将电气连接器连接到蒸发器膨胀阀。
    警告
    Push the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
  6. 将电气连接器连接到冷却器膨胀阀。
    警告
    Push the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
  7. 将电气连接器连接到驾驶室左侧冷凝器膨胀阀。
    警告
    Push the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
  8. 连接驾驶室右侧冷凝器膨胀阀电气连接器。
    警告
    Push the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
  9. 将电气连接器连接到高压和温度过冷式传感器。
    警告
    Push the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
  10. 连接液冷冷凝器切断阀电气连接器。
    警告
    Push the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
  11. 连接液冷冷凝器膨胀阀电气连接器。
    警告
    Push the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
  12. 连接再循环膨胀阀电气连接器。
    警告
    Push the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
  13. 连接高压和温度传感器电气连接器。
    警告
    Push the red locking tab towards the connector to engage the locking mechanism. DO NOT push down or pull up on the red locking tab.
  14. 在超级歧管至压缩机空调管路上的超级歧管一侧安装新的密封垫圈,然后用少量的适当空调机油润滑垫圈。请参阅 液体和容量了解空调机油规格。
  15. 将超级歧管至压缩机空调管路放置在超级歧管上,然后手动拧紧将空调管路固定到超级歧管的螺栓。
  16. 紧固将空调管路固定到超级歧管的螺栓。
    22 Nm (16.2 lbs-ft)
    提示
    推荐使用以下工具
    • 13 mm 套筒
  17. 执行真空泄漏测试和机油加注程序。请参阅 真空泄漏测试和机油加注(带加热泵款 Model 3)。
  18. 重新加注空调制冷剂。请参阅 重新加注(带加热泵款 Model 3)。
    警告
    请严格按照说明重新加注制冷剂。不按说明操作可能导致冷却系统受到严重损坏。
    注
    请勿断开笔记本电脑与车辆的连接。
  19. 解锁车辆网关。请参阅 网关(解锁)。
  20. 通过“维护模式”或 Toolbox 执行以下例行程序(请参阅0005 - 维护模式): TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONINGvia Service Mode:Thermal ➜ Refrigerant System ➜ Commission Heat Pumpvia Service Mode Plus:Drive Inverter ➜ Front Drive Inverter Replacement ➜ Heatpump commissioningvia Toolbox:(link)
    注
    如果进入 "Thermal Drain/Fill" 模式后,此例行程序未运行,空调压缩机将停止运转;完成后,点击右上角的 "X" 关闭窗口。
  21. 禁用“维护模式”。请参阅 维护模式。
  22. 安装前备箱储物单元请参阅 前备箱储物单元(拆卸和更换)。
  23. 升起左侧前车窗并关闭左侧前车门。