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:
Warning and indicator lamps
First read and observe the introductory information
and safety warnings
Lit up
Possible cause
Solution
Engine oil level is too low.
Switch off the engine. Check the engine oil level .
Fl ...
Connecting Service Station
Turn off the ignition.
–
Connect the A/C service station to the power supply.
–
Connect quick-release coupling adapter to charging hoses of
service station (handwheels not screwed in/ha ...
Refrigerant R134a Physical Data
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as refrigerant.
The refrigerant employed is tetrafluoroethane R134a, which
bo ...
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Empty Refrigerant Circuit