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Volkswagen Golf Service & Repair Manual: Removing and installing refrigerant line between air conditioner compressor and evaporator

Volkswagen Golf Service & Repair Manual / Heating, air conditioning / Air conditioner / Refrigerant circuit / Removing and installing refrigerant line between air conditioner compressor and evaporator

Special tools and workshop equipment required
   
   
 

Engine bung set -VAS 6122
Engine bung set -VAS 6122

Torque wrench -V.A.G 1331/- (5…50 Nm)
Air conditioner service station
Removing
–  Observe safety precautions → Chapter „Safety precautions when handling refrigerants“.
–  Comply with notes → Chapter „Working on refrigerant circuit“.
–  Extract refrigerant using air conditioner service station before opening refrigerant circuit.
Depending on the engine, parts of the air filter must be removed → Rep. gr.24 or → Rep. gr.23.
Depending on the engine, parts of the air duct must be removed → Rep. gr.24 or → Rep. gr.23.
Depending on engine, parts of the charge air system must be removed → Rep. gr.21.
–  Remove front bumper cover → General body repairs, exterior; Rep. gr.63.
–  Remove noise insulation underneath engine → General body repairs, exterior; Rep. gr.66.
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.
–  Detach coolant expansion tank and place to one side.
 

Removing and installing refrigerant line between air conditioner compressor and evaporator

–  Unscrew nut -3-.
–  Separate refrigerant lines.
 

Removing and installing refrigerant line between air conditioner compressor and evaporator

–  Unscrew bolt -3- of refrigerant line -4-.
–  Unclip refrigerant lines from retainers, and remove them.
Installing
Installation is carried out in the reverse order. When installing, note the following:
–  Renew seals. For versions, refer to → Electronic Parts Catalogue.
–  Moisten seals with refrigerant oil before installing → Chapter.
  Note
Ensure proper seating of seals in the groove of the respective refrigerant line.
Specified torques
→ Chapter „System overview - refrigerant circuit“
→ Chapter „Assembly overview - drive unit of air conditioner compressor“
Noise insulation → General body repairs, exterior; Rep. gr.66
 

Removing and installing refrigerant line between air conditioner compressor and evaporator

Removing and installing refrigerant line between condenser and air conditioner compressor
Special tools and workshop equipment required         Torque wr ...

Air conditioner compressor
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Other materials:

Removing and installing door inner seal
During production, a sealant is applied to the door inner seals, which are then placed on the door flange and rolled on.   Note When removing the seal, the sealant is distributed across the inside of the seal. The sides are bent upwards ...

Adjusting clutch engagement
The position of the engagement bearings “K 1” and “K 2” must only be adjusted after the following work: Clutch has been renewed. Engaging levers were renewed. Small ba ...

Airbag system
Overview of fitting locations - airbag system 1 -  Airbag control unit -J234- Assembly overview → Chapter 2 -  Airbag warning lamp -K75- Integrated in dash panel insert Cannot be renewed separately. Rem ...

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