2026-04-08

压缩机、超级歧管和空调管路（拆卸和更换） ((拆卸和更换))

校正代码 18204012 2.16 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。 注意：执行下述程序时，请参阅人员保护确认已穿戴适当的个人防护装备 (PPE)。

  • 2026-03-25: Revised procedure to eliminate oil adjustment and added flush procedure to reuse the existing supermanifold to HVAC A/C line and HVAC assembly.
  • 2025-03-31: Added note on separately adding correction code 18200102 for refrigerant recovery/recharge.
设备：
  • 1600279-00-A A/C Oil Flush Adapter Set or 1600279-N0-BHEAT PUMP VEHICLE A/C FLUSHING FOR UNKNOWN OIL CONDITIONS
  • 1838504-C0-A, 1838504-E0-A, 1838504-N0-A Debris Flush Adapter
  • 1711245-00-A - Snap On Ecotechnics Dual Gas A/C Machine, includes Flush Adapter Kit R134A & R1234YF or
  • 1120026-01-A A/C SERVICE MACHINE, WAECO, ASC5500 RPA
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注
此程序要求执行空调制冷剂（回收和重新加注）程序。如果尚未自动添加到“服务工单”中，请将校正代码 18200102 作为同一工项下的一个单独校正程序添加至“服务工单”中。
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注
更换超级歧管、压缩机以及超级歧管至压缩机空调管路时请执行本程序，使用 HVAC 加热泵碎屑冲洗适配器 1838504-C0-A、1838504-E0-A 或 1838504-N0-A 冲洗超级歧管至 HVAC 空调管路以及 HVAC 总成。冲洗后，超级歧管至 HVAC 空调管路以及 HVAC 总成可再次使用。本程序适用于压缩机发生机械故障，导致空调系统中产生碎屑且压缩机无法正常运转的情况。如果碎屑冲洗适配器 1838504-00-B 可用，请根据A/C Compressor and Supermanifold (Remove and Replace)中所述程序操作。

拆卸

  1. Enable Service Mode. See 维护模式（启用和禁用）
  2. Check the thermal alerts via the touchscreen by pressing the alert icon.
    If one or more of the following alerts are present, perform a full flush later in the procedure.
    • VCFRONT_a161_compressorSelfFault
    • VCFRONT_a163_compressorDisabledFSR
    • VCFRONT_a460_hardIsentropicTdFailed
    • VCFRONT_a467_lowPowerIndexFlagged
    • VCFRONT_a531_lowPowerIndexFlaggedUserFacing
    • VCFRONT_a543_compressorLowFlowDeliveryDetected
    If none of the alerts listed above are present, perform a fast flush later in the procedure.
  3. Remove the A/C compressor. See 空调压缩机（拆卸和更换）.
  4. Remove the supermanifold. See 超级歧管（拆卸和更换）.
  5. Install the supermanifold to HVAC A/C line to the HVAC assembly.
    22 Nm (16.2 lbs-ft)
  6. Flush the Supermanifold to HVAC A/C line and the HVAC assembly. See Flush HVAC system using the Snap-On A/C Machine or Flush HVAC system using the Waeco A/C Machine

Flush HVAC system using the Snap-On A/C Machine

  1. Install the flush adapter (1838504-C0-A, 1838504-E0-A, or 1838504-N0-A) to the Supermanifold to HVAC A/C line.
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    注
    1x nut, 13mm, 36 Nm
  2. Connect the HVAC case flush adapter to the A/C machine.
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    注
    Connect the red pressure line to the left side of the adapter, bolt the blue line coming from the flush kit to the right side of the adapter.
  3. Connect Snap on A/C machine hoses to the A/C flush adapters and run the flush procedure by selecting Menu > > Num 4 > OK > OK.
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    注
    The flush procedure runs for approximately 90 minutes, a minimum of 3.2 kg of refrigerant is needed in the tank to run the system flush procedure.
  4. After flushing is complete, disconnect the flush adapter from the A/C machine.
  5. Remove the flush adapter from the vehicle supermanifold to HVAC A/C line.
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    注
    1x nut, 13mm, 36 Nm
  6. Remove the supermanifold to HVAC A/C line from the HVAC assembly.
  7. Install new seal washers to the existing supermanifold to HVAC A/C line at the supermanifold and HVAC side.
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    注
    1111740-00-A WASHER,3/4,STEEL ZN,SEAL (x2), 1111738-00-A WASHER,1/2,STEEL ZN,SEAL (x2), 1111737-00-A WASHER, 3/8, STL ZN, SEAL (x6).
  8. Install the supermanifold to HVAC A/C line assembly to the supermanifold and install the nut hand tight.
  9. Disconnect the low pressure hose from the A/C machine to the quick connector of the filter.

Flush HVAC system using the Waeco A/C Machine

  1. Install the flush adapter (1838504-C0-A, 1838504-E0-A, or 1838504-N0-A) to the Supermanifold to HVAC A/C line.
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    注
    1x nut, 13mm, 36 Nm
  2. Set up flush kit to the A/C machine.
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    Attach the flush kit to the Waeco A/C machine. 2x bolts, 8mm, 1x Nyloc nut.
  3. Inspect the liquid line filter drier marking.
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    Mark the filter before every flush with paint marker, replace the filter after 10 flushes.
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    If replacement of the filter is not yet necessary, go to step #TASK_FLUSH__GUID-3C3235D2-1FCE-476D-A030-E3B40F3423D5.
  4. Remove the liquid inline filter drier
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    注
    Remove the filter from the container (the grey filter attached to the flush unit) PR052FM, Good to re-use copper o-ring, use hand force no tools
  5. Replace the liquid inline filter drier (the grey filter attached to the flush unit) PR052FM
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    1x new filter, 2x new copper sealing rings, Wear appropriate PPE, Swap the nipple from old to new filter, Install copper sealing ring between connections, Do not over tighten, hand tight, due to copper line Ensure old sealing was removed before installing new filter, use pick tool to remove copper ring if needed
  6. Connect the low pressure hose from the A/C machine to the quick connector of the filter
  7. Connect the HVAC case flush adapter to A/C machine
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    注
    Connect the red pressure line to the left side of the adapter, bolt the blue line coming from the flush kit to the right side of the adapter
  8. Connect the A/C machine hoses to the A/C flush adapter and flush the HVAC case and supermanifold to HVAC A/C line.
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    If one or more of the alerts mentioned in step 2 of the 'Remove' section are present, choose Full flushing. If no alerts are present, choose Fast flushing.
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    Fast flush procedure runs for approximately 40 minutes. If one of the Illustrated alerts are present, run full flush. This takes around 1 hours and 40 minutes. Must use A/C Service Machine WAECO ASC 5500G RPA R1234YF. A minimum of 6 kg of refrigerant is needed in the tank to run the system flush procedure. Press Enter => Other Selections => Enter => Flushing => Enter => Enter => Enter =>=> Full Flushing => Enter
  9. After flushing is complete, disconnect the flush adapter from the A/C machine.
  10. Remove the flush adapter from the vehicle supermanifold to HVAC A/C line.
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    注
    1x nut, 13mm, 36 Nm
  11. Remove the supermanifold to HVAC A/C line from the HVAC assembly.
  12. Install new seal washers to the existing supermanifold to HVAC A/C line at the supermanifold and HVAC side.
    Informational PurposesAn informational icon, calling your attention
    注
    1111740-00-A WASHER,3/4,STEEL ZN,SEAL (x2), 1111738-00-A WASHER,1/2,STEEL ZN,SEAL (x2), 1111737-00-A WASHER, 3/8, STL ZN, SEAL (x6).
  13. Install the supermanifold to HVAC A/C line assembly to the supermanifold and install the nut hand tight.
  14. Disconnect the low pressure hose from the A/C machine to the quick connector of the filter.