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:
Upgrade Kit For VAS1978 -VAS1978/50
The Upgrade Kit For VAS1978 -VAS1978/50- is required in
order to bring the “old”Wiring Harness Repair Set -VAS1978- up
to the new standard of the Wiring Harness Repair Set -VAS1978A-.
The upgrade kit contains four assembly- and ten release tools as
w ...
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 ...
Refrigerant Circuit with Restrictor and Reservoir
Arrows point in direction of refrigerant flow.
A-Low pressure side of refrigerant circuit.
B-High pressure side of refrigerant circuit.
Component
Aggregate state of refrigerant
...
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Empty Refrigerant Circuit