VW Polo manuals

Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Repair Information

  WARNING
When performing work on refrigerant circuit, observe all generally applicable safety precautions and pressure vessel regulations.
  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 manufacturer.
The warranty is voided if non-approved tools or materials are used.
Special tools and accessories:
The performance of proper workmanlike repairs on an air conditioning system:
Requires the use of special tools and materials as listed in. Refer to → Chapter „Special Tools“.
Requires compliance with the basic instructions for use of leak detectors. Refer to → Chapter „Refrigerant Circuit, Tracing Leaks, with Electronic Leak Detector -VAG1796-“.
Requires expert knowledge.
  Note
Releasing refrigerant into the environment is not permitted (punishable by law). Refer to → Chapter „Laws and Regulations“.
   
Charging Systems not Requiring a Permit
At this time, A/C service units for extracting, cleaning and filling refrigerant for motor vehicle A/C systems are available from various manufacturers. ...

Laws and Regulations
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Other materials:

Test Requirements
Radiator and condenser are clean (clean if necessary). The ribbed belt for the A/C compressor and alternator tensioned correctly. All air ducts, covers and seals are OK and installed correctly. ...

Searching for Refrigerant Circuit Leaks with Compressed Air or Nitrogen
  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 ...

Tires, Dismounting, Run-Flat Tires and Ultra High Performance Tires
Only trained personnel can perform the assembly work on run-flat tires and ultra high performance tires. If equipped check the tire pressure monitoring sensor with the vehicle diagnostic tester and if necessary replace. ...

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