Volkswagen Polo Service & Repair Manual: A/C Compressor, Replacing
Refrigerant Still in Circuit
Discharge the refrigerant circuit.
–
Remove malfunctioning component, flush with compressed air,
collect escaping refrigerant oil.
...
Flushing Not Necessary
Note
For vehicles with an electrically-driven A/C compressor,
de-energize the high voltage system before removing the A/C
compressor. Refer to
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Other materials:
Checklist
Observe the following information both before and during every journey
to ensure your own safety, and the safety of all passengers and other road users
:
Check that all lights and turn signals are
working properly.
Check the tyre pressure Wheels and tyres
Wheels and tyres Tyres ...
Working on Airbag System
WARNING
When working on the airbag system (pyrotechnic
components, Airbag Control Module -J234-, wiring), the
ground cable must be disconnected with the ignition
switched on.
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Refrigerant Oil
Refrigerant oil mixes with the refrigerant (about 20 - 40%,
depending on compressor type and amount of refrigerant) and
circulates constantly in the system, lubricating the moving
parts.
Special synthetic refrigerant oils, for example,
...
