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:
Introduction
This chapter contains information on the following subjects:
→ Warning lamp
→ Checking the electrolyte level of the vehicle battery
→ Charging, replacing, disconnecting and connecting the vehicle battery
The vehicle battery is a component of the electrical system in t ...
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 -
gaseous (invisible)
2 -
vapor
3 -
fluid
4&nbs ...
Pressure Gauge, Tests and Measurements
Indicators on pressure gauge
1 -
Temperature scale for refrigerant R134a CF3–CH2F or
CH2F–CF3.
2 -
Pressure scale
The pressure gauge may have one or more temperature s ...
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Empty Refrigerant Circuit