Volkswagen Polo Service & Repair Manual: Possible Refrigerant Circuit Concerns

Concerns

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Test Requirements

  Note The A/C system is functioning correctly when the air flowing from the instrument panel vents has a temperature of 70C or lower. ...

Other materials:

Electrically-Driven A/C Compressor for High Voltage System
  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 ...

Coolant Fan Control Module -J293
  Note Available in different construction styles, some installed on coolant fan -arrows-.     This control module switches on and off the A/C clutch and therefore the A/C compressor. It switche ...

Flushing Not Necessary
  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 ...