Volkswagen Polo Service & Repair Manual: 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. |
|
|
|
| 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 - |
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 |
|
|
|
Special tools and workshop equipment
required
Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench
1783 - 1/4" Drive Ratchet -VA ...
Other materials:
Fitting the removable ball coupling
Fig. 91 Overview: removable ball coupling
First read and observe the introductory information
and safety warnings
The removable ball coupling is located under the luggage compartment floor with
the vehicle toolkit.
Key for :
Cap
Ball coupling
Retaining balls
Catch for locking ...
Battery Post/Terminal
WARNING
Risk of injury. Follow all Warnings and Safety
Precautions. Refer to
→ Chapter „Warnings and Safety Precautions“.
Caution ...
Explanation of Test Results
1 -
Type of test.
2 -
Battery test result.
3 -
Measured voltage
4 -
Measured cold start value.
5 -
Cold st ...
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Evacuating and Charging Valve, High Pressure Side