Volkswagen Polo Service & Repair Manual: Refrigerant Still in Circuit
| Discharge the refrigerant circuit. |
| – |
Remove malfunctioning component, flush with compressed air,
collect escaping refrigerant oil. |
| – |
The new component is to be filled with the amount of
refrigerant oil flushed out (plus 20 cm3
for evaporator, plus 10 cm3 for
condenser, refrigerant pipes and refrigerant hoses) as fresh
refrigerant oil fill. |
| – |
Replace the restrictor depending on the vehicle. |
| – |
Assemble, evacuate and charge the refrigerant circuit. |
|
–
Remove malfunctioning component.
–
Remove the A/C compressor.
–
Remove oil drain plug fr ...
Other materials:
Refrigerant Circuit Pressures and Temperatures
WARNING
When performing work on refrigerant circuit, observe
all generally applicable safety precautions and pressure
vessel regulations.
The pressures and temperatures in ...
Pressure and Boiling Point
The boiling point given in tables for a liquid is always
referenced to an atmospheric pressure of 1 bar (14.5 psi). If
the pressure acting on a fluid changes, its boiling point also
changes.
For example, water boils at a lower temperatur ...
Pressures, Checking
Note
Check cooling performance. The A/C system is functioning
correctly when the air flowing from the instrument panel vents
has a temperature of 70C or lower.
Setting on Climatronic “LO”.
...
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Empty Refrigerant Circuit