Volkswagen Golf Quiz
Air conditioning system with refrigerant R134a

If the refrigerant circuit was completely empty

In this manual: Air conditioning system with refrigerant R134a
General body repairs, exterior — 230General body repairs, interior — 279General information, paint — 133Vechile- specific paint information — 27Heating, air conditioning — 156Auxiliary heater — 58Air conditioning system with refrigerant R134a — 1297- speed dual clutch gearbox 0CW — 544- cylinder injection engine(1.4 1 direct inction. turbocharger) — 182Fuel supply system - Petrol engines — 59Running gear, axles, steering — 221Brake system — 92Wheels and Tyres guide — 12Guide for using trailers — 11Wheels and Tyres Guide - General Information — 121Brake system (hybrid) — 73Electrical system — 326Communication — 65Electrical system, general information — 111
~1min read

Remove defective part.

  • Remove air conditioner compressor.
  • Remove oil drain screw from air conditioner compressor.
Note To speed up the draining of the refrigerant oil, rotate the shaft of the air conditioner compressor by hand using the poly V-belt pulley or the magnetic clutch. Pour old refrigerant oil out of air conditioner compressor, handling refrigerant oil → Volkswagen ServiceNet; Service handbook; Environmental protection; Waste disposal; Current situation; Disposal channels; Disposal of used oils; Refrigerant oils. Then fill the air conditioner compressor with the quantity of new refrigerant oil corresponding to the quantity in a genuine air conditioner compressor → Rep. gr.87. Different types and quantities of refrigerant oils are required for different air conditioner compressors → Rep. gr.87. To ensure proper lubrication of the air conditioner compressor when it runs for the first time, the air conditioner compressor must be filled with at least 80 cm3 of refrigerant oil; the remainder can be poured into the new reservoir or receiver → Rep. gr.87. If dirt enters the air conditioner compressor whilst the refrigerant circuit is open (e.g. after an accident), the air conditioner compressor should be renewed. Blow through refrigerant circuit with compressed air and remove moisture with nitrogen → Chapter.
  • Renew receiver or reservoir and restrictor.
  • Assemble the refrigerant circuit, evacuate it and charge it.

Test yourself

A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.