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Volkswagen Golf Service & Repair Manual: Retrofitting refrigerant circuit from R12 refrigerant to R134a refrigerant

Volkswagen Golf Service & Repair Manual / Air conditioning system with refrigerant R134a / Refrigerant circuit / Retrofitting refrigerant circuit from R12 refrigerant to R134a refrigerant

Chlorofluorocarbon (CFC) is no longer used as a refrigerant in the automotive sector.
R12Converting refrigerant circuits from refrigerant R12 to refrigerant R134a and repairing the converted circuits.
→ Repair manual for air conditioning systems with refrigerant R12 parts 2 and 3. This workshop manual is only available as a hard copy.
   
Important repair notes on air conditioning
Air conditioning systems designed for refrigerant R12 must not be charged with refrigerant R134a until specific conversion measures have been performed →& ...

Working with the air conditioner service station
  Caution If there is evidence to suggest that chemical substances have been added in the vehicle to seal leaks, ...

Other materials:

Removing and installing valve stem seals (cylinder head installed)
Special tools and workshop equipment required     Spark plug socket and extension -3122 B-   Removal and installation device for valve ...

Introduction
This chapter contains information on the following subjects:  → Running-in    → Accessories and parts    → Service fluids and consumables    → Repairs and technical modifications    → Repairs and faults in the airbag system    → Retrofitti ...

Safety precautions during road tests in which test and measuring equipment is used
Risk of injury due to unsecured test and measuring equipment If a front passenger airbag is triggered during an accident, unsecured test and measuring equipment can become dangerous projectiles. –  Secure test and measuring equipment with seat belts on ...

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