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

Removing and installing damper weight for refrigerant line, low-pressure side
Special tools and workshop equipment required     Torque wrench -V.A.G 1331/- (5…50 Nm) ...

Removing and installing refrigerant pressure and temperature sender -G395
Special tools and workshop equipment required         Torque wrench -V.A.G 1331/- (5…50 Nm) ...

Other materials:

Installing engine
Procedure Engine/gearbox assembly secured to engine support T10497.   Note Renew bolts that are tightened with specified tightening angle. Renew self-locking nuts and bolts ...

Water content
Only very small amounts of water are soluble in liquid refrigerant. On the other hand, refrigerant vapour and water vapour mix in any proportion. Any water present in the refrigerant circuit will be carried along as droplets. The dessica ...

Removing and installing clutch engagement
Removing Dual clutch removed → Chapter. –  Remove large engaging lever with small engagement bearing.   Note The upper section of bushing cannot be removed or i ...

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