Volkswagen Polo Service & Repair Manual: 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. |
|
|
|
| Refer to
→ Rep. Gr.87 for the vehicle-specific repair manual. |
 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. Refer to
→ Fig. „“ Refrigerant Sockets -T10364- for the high pressure/low
pressure side service connection valves in the refrigerant
circuit”“ |
| 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 |
|
|
|
Special tools and workshop equipment
required
Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench
1783 - 1/4" Drive Ratchet -VA ...
Special tools and workshop equipment
required
Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench
1783 - 1/4" Drive Ratchet -VA ...
Other materials:
Vibration, Road Test, Performing Before Balancing
If a vehicle comes to the workshop with the complaint
“vibration”, a road test must be performed before balancing the
wheels.
That way, information about the type of vibration can be
obtained.
Obser ...
Description and function of the airbags
First read and observe the introductory information
and safety warnings
The airbags can protect vehicle occupants during frontal and side collisions
by reducing their movement in the direction of the collision.
When an airbag is triggered, it is inflated by a gas generator. This causes the
...
Refrigerant Circuit, General Precautions
Follow the instructions for the workplace. They should be
displayed in the workplace.
Ensure absolute cleanliness when working.
Wear work clothing, safety goggles and gloves when working
with refrigerant and ...
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Evacuating and Charging Valve with Schrader Valve
Evacuating and Charging Valve, Low Pressure Side