Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Design
- Refrigerant Circuit with Expansion Valve and Evaporator
- Refrigerant Circuit with Restrictor and Reservoir
Pressure Relief Valve
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
sys ...
Refrigerant Circuit with Expansion Valve and Evaporator
1 -
Evaporator
2 -
Expansion Valve
3 -
Valve for extracting, filling and measuring
...
Other materials:
Welding and Soldering on Refrigeration Systems
Before performing welding or soldering work on vehicles near
the air conditioning system components, extract the refrigerant
and remove the residue by flushing with compressed air and
nitrogen.
The products of refrigerant decomposition d ...
Wheel Bolt Versions
Shank Designs
There are two shank designs: rounded and conical.
The rounded shank has a curved surface
-arrow A-. This design was used for original rims.
The conic ...
Refrigerant Circuit with A/C Service Station, Draining
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.
...
