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:

Checking
–  Turn off the ignition. –  Connect pressure gauge battery (A/C service station). –  Take pressure gauge readings. There are two possible results A and B.   &nbs ...

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 System Operation
The temperature in the passenger compartment depends on the amount of heat radiated through the windows and conducted by the metal parts of the body. In hot weather it is possible to achieve a more comfortable temperature for the passengers by pumping of ...