VW Polo manuals

Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Design

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. ...

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