VW Golf manuals

Volkswagen Golf Service & Repair Manual: Removing and installing evacuating and charging valves on low and high-pressure side

Volkswagen Golf Service & Repair Manual / Heating, air conditioning / Air conditioner / Refrigerant circuit / Removing and installing evacuating and charging valves on low and high-pressure side

Special tools and workshop equipment required
   
   

Torque wrench -V.A.G 1783
Torque wrench -V.A.G 1783

   

Ratchet insert 1/4 inch -VAS 6234
Ratchet insert 1/4 inch -VAS 6234

Adapter set for service connections -T10364-
Air conditioner service station
  Note
Releasing refrigerant into the environment is a punishable offence.
All components of the refrigerant circuit which have been opened must be sealed with suitable plugs to prevent moisture intrusion.
Removing
–  Observe safety precautions → Chapter „Safety precautions when handling refrigerants“.
–  Comply with notes → Chapter „Working on refrigerant circuit“.
–  Observe safety precautions when working in the vicinity of high-voltage components → Chapter „Safety precautions when working in the vicinity of high-voltage components“.
 

Removing and installing evacuating and charging valves on low and high-pressure side

–  Unscrew protective cap -3-.
Risk of freezing injury caused by escaping pressurised refrigerant.There is a risk of injury to the skin and parts of the body due to freezing.Always wear safety gloves.Always wear safety goggles.Extract refrigerant, and open the refrigerant circuit immediately afterwards.If more than 10 minutes passed since the refrigerant has been extracted, do not open the refrigerant circuit prior to extracting refrigerant anew. Due to re-evaporation, pressure will be built up in the refrigerant circuit.
–  Evacuate refrigerant circuit with air conditioner service station. Then first renew valve -2-.
–  Unscrew valve insert -2- from refrigerant line.
Installing
–  Install in reverse order.
Specified torques
→ Chapter „System overview - refrigerant circuit“
 

Removing and installing evacuating and charging valves on low and high-pressure side

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