Volkswagen Polo Service & Repair Manual: Refrigerant Circuit, Flushing with Compressed Air and Nitrogen
General Information
In order to be able to force moisture and other contaminants
out of refrigerant circuit, compressed air and nitrogen (to
force moisture out of refrigerant circuit) ar ...
Other materials:
Refrigerant Circuit with Expansion Valve
A-Low pressure side of refrigerant circuit.
B-High pressure side of refrigerant circuit.
Component
Aggregate State of Refrigerant
Pressure bar (psi) Positive Pressure
Temperature
...
Special Tools
Special tools and workshop equipment
required
Battery Charger -VAS5903-
Battery Tester -VAS6161-
...
A/C Service Station, Connecting for Measuring and Testing
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.
...
