Volkswagen Polo Service & Repair Manual: A/C Technology Basic Principles
Additional Information Sources
Technical Service Handbook outlining action to be taken to
rectify current problems.
For the repair manual for model-specific repair work. Refe ...
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 -
gaseous (invisible)
2&n ...
Other materials:
General Information
Vehicles with a high voltage system (hybrid vehicles)
Observe all of the additional warnings for all work
performed on vehicles with the high voltage system. Refer to
→ Electrical Equipment; Rep. Gr.93.
...
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,
...
Checking with Restrictor, Reservoir and A/C Compressor Regulator Valve
-N280-, Externally Regulated A/C Compressor
Note
Connecting service station. Refer to
→ Chapter „Connecting Service Station“.
Observe test requirements. Refer to
→ Chapter „Pressures, Checking“.
–
...
