VW Tiguan Manuals

Volkswagen Tiguan Service and Repair Manual: Refrigerant Circuit Extraction and Filling Valves for Service Station Couplings

Volkswagen Tiguan Service and Repair Manual / Refrigerant R134a Servicing / Refrigerant Circuit General Information / Refrigerant Circuit Extraction and Filling Valves for Service Station Couplings

Evacuating and Charging Valve with Schrader Valve

Special tools and workshop equipment required

  • Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VAS6234-

WARNING

There is a danger of ice-up.

Refrigerant will leak out if refrigerant circuit is not discharged.

Refrigerant must be extracted before opening refrigerant circuit. If refrigerant circuit is not opened within 10 minutes of extraction, pressure may form in refrigerant circuit due to evaporation. Extract the refrigerant once more.

  • Only valves and connections that are resistant to refrigerant R134a and refrigerant oil must be installed.
  • Different connections (outer diameter) for high pressure and low pressure side.
  • Always screw on sealing caps.

Allocation in vehicle.

Note

  • Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VAS6234-
  • Use a suitable Refrigerant Sockets -T10364- to loosen the Schrader valve insert.

Volswagen Tiguan. V87-1405

  1. Service connection (soldered in)
  2. Schrader valve insert (2.4 +- 0.2 Nm)
  3. O-ring (belongs to the valve)
  4. Sealing cap with seal

Evacuating and Charging Valve, High Pressure Side

Special tools and workshop equipment required

  • Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VAS6234-

WARNING

There is a danger of ice-up.

Refrigerant will leak out if refrigerant circuit is not discharged.

Refrigerant must be extracted before opening refrigerant circuit. If refrigerant circuit is not opened within 10 minutes of extraction, pressure may form in refrigerant circuit due to evaporation. Extract the refrigerant once more.

  • Only valves and connections that are resistant to refrigerant R134a and refrigerant oil must be installed.
  • Different connections (outer diameter) for high pressure and low pressure side.
  • Always screw on sealing caps.

Allocation in vehicle.

Note

  • Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VAS6234-
  • Use a suitable Refrigerant Sockets -T10364- to loosen the valve insert.
  1. Socket with external and internal threads
  2. O-ring: 10.8 mm; 1.8 mm identification: black or with colors
  3. Valve with M12 x 1.5 mm external threads and groove for O-ring (7 +- 1 Nm)
  4. O-ring for the cap: 10.8 mm; 1.8 mm identification: black or with colors
  5. Cap

Volswagen Tiguan. V87-1435

Evacuating and Charging Valve, Low Pressure Side

Special tools and workshop equipment required

  • Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VAS6234-

WARNING

There is a danger of ice-up.

Refrigerant will leak out if refrigerant circuit is not discharged.

Refrigerant must be extracted before opening refrigerant circuit. If refrigerant circuit is not opened within 10 minutes of extraction, pressure may form in refrigerant circuit due to evaporation. Extract the refrigerant once more.

  • Only valves and connections that are resistant to refrigerant R134a and refrigerant oil must be installed.
  • Different connections (outer diameter) for high pressure and low pressure side.
  • Always screw on sealing caps.

Allocation in vehicle.

Note

  • Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VAS6234-
  • Use a suitable Refrigerant Sockets -T10364- to loosen the valve insert.
  1. Connection with external thread and groove for O-ring
  2. O-ring: 7.6 mm; 1.8 mm identification: black or with colors
  3. Valve with M10 x 1.25 mm external threads and groove for O-ring (7 +- 1 Nm)
  4. O-ring for the cap: 7.6 mm; 1.8 mm identification: black or with colors
  5. Cap

Volswagen Tiguan. V87-1434

    Refrigerant Circuit Components
    Refrigerant Circuit Component Arrangement Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system. Only use tools and materials approved ...

    Switches and Sensors on Refrigerant Circuit and Connections
    A/C Refrigerant High Pressure Switch -F23- Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. Function: Swit ...

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