Volkswagen Polo Service & Repair Manual: 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. |
|
|
|
| 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
Schrader valve insert. Refer to
→ Fig. „“ Refrigerant Sockets -T10364- for the high pressure/low
pressure side service connection valves in the refrigerant
circuit”“ |
| A - |
Service connection (soldered in) |
| B - |
Schrader valve insert (2.4 ± 0.2 Nm) |
| C - |
O-ring (belongs to the valve) |
| D - |
Sealing cap with seal |
|
|
|
Special tools and workshop equipment
required
Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench
1783 - 1/4" Drive Ratchet -VA ...
Other materials:
Two-Part Steel Filling Paste Set
Definition:
Two-Part Steel Filling Paste Set -DA 787 300 A2-
Edition 09/2012
Product Description
This filling paste is made of polyester and a metal powder
mixture and is use ...
Service fluids and consumables
First read and observe the introductory information
and safety warningsAll service fluids and consumables, e.g.
toothed belts, tyres, coolant, engine oil, spark plugs and vehicle batteries, are
being constantly developed. For this reason, service fluids and consumables should
be replaced at ...
Run-Flat Tire, General Information
Run-flat tires have a reinforced sidewall in comparison to
standard tires. This reduces the tendency for the sidewall to
roll when there is a loss of pressure and prevents the sides of
the tire from being pinched. This allows the vehicle to be
driven whi ...
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Evacuating and Charging Valve, High Pressure Side