2026-11-03

暖通空调 (HVAC) 总成（不带加热泵款）（拆卸和更换）

校正代码 18101002 4.38 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.

Equipment:
  • 1134520-00-A 电子驻车制动 (EPB) 手动释放套件
  • 1129348-00-A XP-10 电源，XP-10
  • 2026-11-03: Added steps to run HVAC Case Test routine and reset the cabin air filter maintenance record.
  • 2025-11-05: Fixed grammatical error.
Note
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.

拆卸

  1. Remove the rear underhood apron. See 前备箱挡板 - 后部（拆卸和更换）.
  2. Remove the cabin intake duct. See 槽 - 上部 - 驾驶室进气（拆卸和更换）.
  3. Remove the hood latch cover. See 盖板 - 前备箱盖闩锁（拆卸和更换）.
  4. Remove the underhood storage unit. See 前备箱储物单元（拆卸和更换）.
  5. Remove the LH and RH wiper arms. See 雨刮器臂（拆卸和更换）.
  6. Remove the LH and RH shock tower covers. See 盖板 - 减震塔 - 左侧（拆卸和更换）.
  7. Remove the cowl screen panel. See 面板 - 前围篦板（拆卸和更换）.
  8. Remove the wiper motor. See 雨刮器模块（拆卸和更换）.
  9. Release the clip that attaches the electrical harness to the windshield washer reservoir.
  10. Disconnect the electrical connector from the windshield washer reservoir.
  11. Remove the outer HVAC plenum duct. See 气室 - 入口 - HVAC（拆卸和更换）.
  12. Remove the inner HVAC plenum duct. See 风管 - 暖通空调 (HVAC) 集气室 - 内（拆卸和更换）.
  13. Perform the A/C refrigerant recovery procedure. See 空调制冷剂（回收和重新加注）.
  14. Remove the 2nd row lower seat cushion. See 座椅座垫 - 下部 - 第二排（拆卸和更换）.
  15. Remove the LH and RH instrument panel end caps. See 端盖 - 仪表板 - 左侧（拆卸和更换）.
  16. Remove the LH and RH middle A-pillar trim. See 饰板 - A 柱 - 中部 - 左侧（拆卸和更换）.
  17. Remove the LH and RH lower A-pillar trim. See 饰板 - A 柱 - 下 - 左侧（拆卸和更换）.
  18. Remove the LH and RH upper A-pillar trim. See 饰板 - A 柱 - 上 - 左侧（拆卸和更换）.
  19. Remove the driver and front passenger footwell cover. See 盖板 - 脚部空间 - 驾驶位（拆卸和更换）.
  20. Perform steps 2 -7 of the removal of the driver and front passenger seats. See 座椅总成 - 第一排 - 左侧（拆卸和更换）.
    Note
    Do not remove the driver and front passenger seat at this time.
  21. Disconnect 12V power. See 12V/低压电源（断开和连接）.
  22. Perform the vehicle electrical isolation procedure. See 车辆高压禁用程序.
  23. Remove the LH and RH front wheels. See 轮毂（拆卸和安装）.
  24. Remove the LH front wheel arch liner. See 轮拱内衬 - 前 - LH（拆卸和更换）.
  25. Remove the windshield washer reservoir. See 储液罐 - 风挡玻璃清洗器（拆卸和更换）.
  26. Remove the front aero shield panel. See 面板 - 流线型护板 - 前（拆卸和更换）.
  27. Disconnect the HV harness connector from the PTC heater.
  28. Release the clips that attach the PTC heater electrical connector to the body.
  29. Fully release the rear park brake calipers. See 驻车制动 - 钳 - 后 - 左侧（释放）.
  30. Lower the vehicle partially.
  31. Install the LH front wheel, but do not fully tighten the lug nuts at this time.
  32. With an assistant, push the vehicle away from the lift.
    Note
    Secure the vehicle with wheel chocks.
  33. Perform step 8-12 for the removal of the driver and front passenger seats. See 座椅总成 - 第一排 - 左侧（拆卸和更换）.
  34. Remove the driver knee airbag. See 气囊 - 膝部 - 驾驶位（拆卸和安装）.
  35. Remove the LH footwell duct. See 风管 - 脚部空间 - LH（左侧驾驶）（拆卸和更换）.
  36. Remove the center console. See 中控台（拆卸和安装）.
  37. Remove the front passenger knee airbag. See 气囊 - 膝部 - 副驾位（拆卸和更换）.
  38. Remove the LH and RH air wave end cap. See 端盖 - 气波 - 左侧（拆卸和更换）.
  39. Remove the main instrument panel decor trim. See 饰板 - 仪表板 - 主（拆卸和更换）.
  40. Remove the glove box. See 手套箱 - 有膝部气囊（不带加热泵款）（拆卸和更换）.
  41. Remove the RH footwell duct. See 风管 - 脚部空间 - LH（左侧驾驶）（拆卸和更换）.
  42. Remove the RH air wave duct. See 槽 - 气波 - RH（左侧驾驶）（拆卸和更换）.
  43. Remove the driver air bag. See 气囊 - 驾驶位（拆卸和更换）.
  44. Remove the steering wheel. See 方向盘（拆卸和安装）.
  45. Remove the steering column control module. See 模块 - 转向柱控制（拆卸和更换）.
  46. Remove the touchscreen. See 触摸屏（拆卸和更换）.
  47. Remove the LH front vent. See 通风口 - 前 - 左侧（拆卸和更换）.
  48. Remove the RH front vent. See 通风口 - 前 - RH（拆卸和更换）.
  49. Remove the LH, center, and RH dash speakers. See 扬声器 - 前围板 - 左侧（拆卸和更换）.
  50. Remove the IP carrier. See 仪表板支架（拆卸和安装）.
  51. Remove the LH air wave duct. See 槽 - 气波 - LH（左侧驾驶）（不带加热泵款）（拆卸和更换）.
  52. Remove the LH front carpet. See 地毯 - 前 - 左侧（拆卸和更换）.
  53. Remove the RH front carpet. See 地毯 - 前 - RH（拆卸和更换）.
  54. Remove the cross car beam. See 梁 - 横（左侧驾驶）（拆卸和更换）.
  55. Release the clips that attach the RH and LH floor ducting to the floor, and remove the ducting.
  56. Disconnect the HVAC harness connector from the RH body controller.
  57. Remove the TXV valve. See 恒温膨胀阀 - 蒸发器（不带加热泵款）（拆卸和更换）.
  58. Remove the bolt that attaches the HVAC module to the body.
    5.5 Nm (4.1 lbs-ft)
  59. Remove the grommet and pull the PTC heater harness through the bulkhead.
  60. Remove the bolt that attaches the lower LH side of the HVAC assembly to the vehicle.
    5.5 Nm (4.1 lbs-ft)
  61. With assistance, remove the HVAC assembly from the vehicle.

安装

  1. With an assistant, position the HVAC assembly into the vehicle.
    Note
    Align the drain hose and TXV housing.
  2. Install the bolt that attaches the lower LH side HVAC assembly to the vehicle.
    5.5 Nm (4.1 lbs-ft)
  3. Push the PTC heater harness through the bulkhead, and then install the grommet.
    Note
    Use caution not to damage the HV cable while passing the cable through the bulkhead.
  4. Install the bolt that attaches the HVAC module to the body near the HVAC inlet.
    5.5 Nm (4.1 lbs-ft)
  5. Install the TXV valve. See 恒温膨胀阀 - 蒸发器（不带加热泵款）（拆卸和更换）.
  6. Perform the A/C refrigerant recharge. See 空调制冷剂（回收和重新加注）.
  7. Connect the HVAC harness connector from the RH body controller.
  8. Release the clips that attach the RH and LH floor ducting to the floor, and remove the ducting.
  9. Install the cross car beam. See 梁 - 横（左侧驾驶）（拆卸和更换）.
  10. Install the RH front carpet. See 地毯 - 前 - RH（拆卸和更换）.
  11. Install the LH front carpet. See 地毯 - 前 - 左侧（拆卸和更换）.
  12. Install the LH air wave duct. See 槽 - 气波 - LH（左侧驾驶）（不带加热泵款）（拆卸和更换）.
  13. Install the IP carrier. See 仪表板支架（拆卸和安装）.
  14. Install the LH, center, and RH dash speakers. See 扬声器 - 前围板 - 左侧（拆卸和更换）.
  15. Install the RH air wave duct. See 槽 - 气波 - RH（左侧驾驶）（拆卸和更换）.
  16. Install the RH front vent. See 通风口 - 前 - RH（拆卸和更换）.
  17. Install the RH footwell duct. See 风管 - 脚部空间 - LH（左侧驾驶）（拆卸和更换）.
  18. Install the LH front vent. See 通风口 - 前 - 左侧（拆卸和更换）.
  19. Install the touchscreen. See 触摸屏（拆卸和更换）.
  20. Install the steering column control module. See 模块 - 转向柱控制（拆卸和更换）.
  21. Install the steering wheel. See 方向盘（拆卸和安装）.
  22. Install the driver air bag. See 气囊 - 驾驶位（拆卸和更换）.
  23. Install the RH air wave duct. See 槽 - 气波 - RH（左侧驾驶）（拆卸和更换）.
  24. Install the RH footwell duct. See 风管 - 脚部空间 - LH（左侧驾驶）（拆卸和更换）.
  25. Install the glove box. See 手套箱 - 有膝部气囊（不带加热泵款）（拆卸和更换）.
  26. Install the main instrument panel decor trim. See 饰板 - 仪表板 - 主（拆卸和更换）.
  27. Install the LH and RH air wave end cap. See 端盖 - 气波 - 左侧（拆卸和更换）.
  28. Install the front passenger knee airbag. See 气囊 - 膝部 - 副驾位（拆卸和更换）.
  29. Install the center console. See 中控台（拆卸和安装）.
  30. Install the LH footwell duct. See 风管 - 脚部空间 - LH（左侧驾驶）（拆卸和更换）.
  31. Install the driver knee airbag. See 气囊 - 膝部 - 驾驶位（拆卸和安装）.
  32. Install the driver seat. See 座椅总成 - 第一排 - 左侧（拆卸和更换）.
  33. Install the windshield washer reservoir. See 储液罐 - 风挡玻璃清洗器（拆卸和更换）.
  34. Perform the platter enclosure air leak test. See 磁盘外壳漏气测试.
  35. Install the clips that attach the PTC heater electrical connector to the body.
  36. Install the HV harness connector to the PTC heater.
  37. Install the front aero shield panel. See 面板 - 流线型护板 - 前（拆卸和更换）.
  38. Install the LH front wheel arch liner. See 轮拱内衬 - 前 - LH（拆卸和更换）.
  39. Install the front aero shield panel. See 面板 - 流线型护板 - 前（拆卸和更换）.
  40. Install the LH front wheel. See 轮毂（拆卸和安装）.
  41. Reconnect 12V power. See 12V/低压电源（断开和连接）.
  42. Reinstall the vehicle firmware. See 软件重新安装 - 触摸屏.
  43. Install the front passenger seat. See 座椅总成 - 第一排 - 左侧（拆卸和更换）.
  44. Install the driver and front passenger footwell cover. See 盖板 - 脚部空间 - 驾驶位（拆卸和更换）.
  45. Install the LH and RH upper A-pillar trim. See 饰板 - A 柱 - 上 - 左侧（拆卸和更换）.
  46. Install the LH and RH lower A-pillar trim. See 饰板 - A 柱 - 下 - 左侧（拆卸和更换）.
  47. Install the LH and RH middle A-pillar trim. See 饰板 - A 柱 - 中部 - 左侧（拆卸和更换）.
  48. Install the LH and RH instrument panel end caps. See 端盖 - 仪表板 - 左侧（拆卸和更换）.
  49. Install the 2nd row lower seat cushion. See 座椅座垫 - 下部 - 第二排（拆卸和更换）.
  50. Install the inner HVAC plenum duct. See 风管 - 暖通空调 (HVAC) 集气室 - 内（拆卸和更换）.
  51. Install the outer HVAC plenum duct. See 气室 - 入口 - HVAC（拆卸和更换）.
  52. Install the wiper motor. See 雨刮器模块（拆卸和更换）.
  53. Install the cowl screen panel. See 面板 - 前围篦板（拆卸和更换）.
  54. Install the LH and RH shock tower covers. See 盖板 - 减震塔 - 左侧（拆卸和更换）.
  55. Remove the A/C lines from the vehicle.
  56. Inject oil into the A/C system.
  57. Install the caps onto the A/C ports.
  58. Test the A/C function and make sure that the HVAC blows cold air.
  59. Install the underhood storage unit. See 前备箱储物单元（拆卸和更换）.
  60. Install the hood latch cover. See 盖板 - 前备箱盖闩锁（拆卸和更换）.
  61. Install the cabin intake duct. See 槽 - 上部 - 驾驶室进气（拆卸和更换）.
  62. Install the LH and RH wiper arms. See 雨刮器臂（拆卸和更换）.
  63. Install the rear underhood apron. See 前备箱挡板 - 后部（拆卸和更换）.
  64. Connect a laptop with Toolbox to the vehicle. See Toolbox（连接和断开）.
  65. Run the routine: TEST-SELF_VCRIGHT_X_HVAC-CASE-ACTUATORSvia Toolbox:(link)
  66. Disconnect the laptop from the vehicle.
  67. Exit Service Mode Plus.
  68. On the vehicle touchscreen, touch Service > Maintenance > Cabin Air Filter Replacement > Record maintenance details > Confirm to reset the cabin air filter maintenance record.
  69. Raise all the windows and close all the doors.