2026-05-28

AC Line - Supermanifold to Compressor (Remove and Replace)

Correction code 1820010102 FRT 0.30 NOTE: Unless otherwise explicitly stated in the procedure, the correction code and FRT listed above 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 Personal Protection to make sure you are wearing proper PPE when performing the procedure below. NOTE: See Ergonomic Precautions for safe and healthy working practices.

  • 2026-05-27: Added steps to replace seal washers; removed steps to connect/disconnect LV battery and first responder loop.
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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.

Torque Specifications

Table 1. Torque Specifications: Duct - Air Intake (Remove and Replace)
Description Torque Value Recommended Tools Reuse/Replace Notes
Nut that attaches the supermanifold to low pressure fitting to the compressor
22 Nm (16.2 lbs-ft)
  • 13 mm socket
Reuse
Nut that attaches the supermanifold to high pressure fitting to the compressor
22 Nm (16.2 lbs-ft)
  • 13 mm socket
Reuse
Bolt that attaches the supermanifold to compressor A/C line to the supermanifold
22 Nm (16.2 lbs-ft)
  • 13 mm socket
Reuse

Remove

  1. Set up the AC machine.
  2. Open the LH front door and lower the LH front window.
  3. Place the vehicle in Service Mode by using the touchscreen. See Service Mode.
  4. Unlock the vehicle gateway. See Gateway (Unlock).
  5. On the touchscreen, tap the Service Mode "wrench" (at the bottom of the touchscreen UI), and then tap Thermal > Refrigerant System > Start Thermal Fill Drain (Refrigerant only) > Run, and allow the routine to complete.
  6. Remove the HEPA filter assembly. See HEPA And Carbon Filters (Remove and Replace).
  7. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  8. Recover the A/C refrigerant. See A/C Refrigerant (Recovery and Recharge) (Restore).
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    Make sure there is no overpressure in the A/C system before performing the following steps. Failure to do so may result in damage to components and/or personal injury.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    HFO-R1234yf and R134a are considered hazardous and, if handled incorrectly, can cause serious injury. Suitable personal protective equipment, consisting of face and eye protection, safety glasses, face shield, heat-proof gloves, chemical resistant gloves, rubber boots and apron or waterproof overall must be worn when carrying out operations on the air conditioning system.
  9. On the touchscreen, make sure that the refrigerant system pressure is at atmospheric level (approx. 1 bar).
    Informational PurposesAn informational icon, calling your attention
    Note
    On the touchscreen, touch Service Mode > Thermal > Refrigerant System.
  10. Power off the vehicle from the center display.
    Informational PurposesAn informational icon, calling your attention
    Note
    On the touchscreen, touch Controls > Safety > Power Off > Power Off.
  11. Remove the nut that attaches the low pressure fitting to the compressor, then move the line aside for clearance.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use of the following tool(s) is recommended:
    • 13 mm socket
  12. Remove the nut that attaches the high pressure fitting to the compressor, then move the line aside for clearance.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use of the following tool(s) is recommended:
    • 13 mm socket
  13. Remove the bolt that attaches the supermanifold to compressor A/C line to the supermanifold , and then remove the supermanifold to compressor A/C line assembly from the vehicle.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use of the following tool(s) is recommended:
    • 13 mm socket

Replace

  1. Replace the seal washers (x2) on the supermanifold side of the supermanifold-to-compressor A/C line assembly, lubricating the new seal washers with ND-11 oil prior to installation.
  2. Position the supermanifold to compressor A/C line onto the supermanifold, and then hand-tighten the bolt that attaches the A/C line to the supermanifold.
  3. Tighten the bolt that attaches the supermanifold to compressor A/C line to the supermanifold.
    22 Nm (16.2 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Use of the following tool(s) is recommended:
    • 13 mm socket
  4. Replace the seal washer on the high side pipe, lubricating the new seal washer with ND-11 oil prior to installation.
  5. Replace the seal washer on the low side pipe, lubricating the new seal washer with ND-11 oil prior to installation.
  6. Install the nut that attaches the high pressure fitting to the compressor.
    22 Nm (16.2 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Use of the following tool(s) is recommended:
    • 13 mm socket
  7. Install the nut that attaches the low pressure fitting to the compressor.
    22 Nm (16.2 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Use of the following tool(s) is recommended:
    • 13 mm socket
  8. Perform the vacuum leak test and oil injection, and A/C refrigerant recharge. See A/C Refrigerant (Recovery and Recharge) (Restore).
  9. Unlock the vehicle gateway. See Gateway (Unlock).
  10. For vehicles built in Giga Berlin only: On the touchscreen, tap Service Mode > Thermal > Thermal Configurations > refrigACLineType and update refrigACLineType configuration to one of the following values:
    • If part number 1502020-00-B or newer is installed: CONTI_LIMITED
    • If part number 1625910-00-C or -D is installed: SAAA_LIMITED
    • If part number 1625910-00-E or newer is installed: UNLIMITED
    • If part number 1807596-XX-X is installed: UNLIMITED
  11. On the touchscreen, tap Service Mode > Thermal > Sensors and Valves > Run Heat Pump Commissioning > Run, and close once the routine is passed.
  12. Exit Service Mode. See Service Mode.
  13. Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  14. Install the HEPA filter assembly. See HEPA And Carbon Filters (Remove and Replace).