Volkswagen Polo Service & Repair Manual: Contact Housings, Releasing and Disassembling

Contact Housings, Repairing Wire Terminals

  Note     For technical reasons, the contact housing for the wire terminals can be supplied only with the contacts p ...

Releasing and Disassembly Contact Housings, General Information

  Note Observe general notes for repairs on the vehicle electrical system. Refer to → Chapter „Vehicle Electrical System, General Repa ...

Other materials:

Leaks or Internal Damage, for Example Noises or No Output
  Note For vehicles with an electrically-driven A/C compressor, de-energize the high voltage system before removing the A/C compressor. Refer to → Electrical System Hybrid; Rep. Gr.93. –  Dischar ...

Refrigerant Circuit, Tracing Leaks, with Leak Detection System -VAS6196- or Leak Detection Kit -VAS6201A- or Succeeding Model
  Note This repair manual describes different methods for detecting leaks in the refrigerant circuit. These methods have been tested and result in success when used correctly. If when searching for compressed air / Nit ...

Physical Principles
The four known states of water also apply to air conditioning system refrigerants. 1 -  gaseous (invisible) 2 -  vapor 3 -  fluid 4&nbs ...