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:
A/C System, Operating after Charging
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...
A/C System Operation
The temperature in the passenger compartment depends on the
amount of heat radiated through the windows and conducted by the
metal parts of the body. In hot weather it is possible to
achieve a more comfortable temperature for the passengers by
pumping of ...
4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing
Note
Do not repair the heated oxygen sensor wires. Repairing may
result in malfunctions.
Use the faulty sensor as a guide for installing all of the
accompanying attachments, cable ties or marking bands.
...
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Empty Refrigerant Circuit