VW Polo manuals

Volkswagen Polo Service & Repair Manual: Special Tools

Replacing Reservoir, No Contaminants, No Loss of Refrigerant
  Discharge the refrigerant circuit. –  Replace the restrictor depending on the vehicle. –  Rem ...

Commercially Available Tools and Materials
  Note This list outlines the testers, tools and materials required for expert refrigerant circuit repair work.   ...

Other materials:

Service Test, Performing
  Note The printed test results can differ depending on the software version. Read the Battery Tester -VAS6161- Operating Instructions.   WARNING Do not ch ...

A/C Programmer -J127
This programmer switches the refrigerant flow direction through the second evaporator if the temperature on the cooling fins on the second evaporator lowers to the freezing point for water (icing protection).   ...

A/C Service Station, Emptying
  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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