Volkswagen Polo Service & Repair Manual: Electrical Components Not on Refrigerant Circuit

A/C Compressor Regulator Valve -N280

  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

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 fr ...

Other materials:

A/C Compressor without Magnetic Clutch
  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system. Only use tools and materials approved by the manufactu ...

Cleaning and changing windscreen wiper blades
Fig. 142 Variants A and B: Changing the windscreen wiper blades. Variants B and C: Changing the rear window wiper blade First read and observe the introductory information and safety warningsThe factory-fitted windscreen/window wiper blades are coated with graphite. The graphite coating ens ...

Refrigerant Still in Circuit
Discharge the refrigerant circuit. –  Remove malfunctioning component, flush with compressed air, collect escaping refrigerant oil. –  The new component is to be filled with the amount of refrig ...