Volkswagen Golf Service & Repair Manual: If the refrigerant circuit was completely empty
| – |
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. |
|
|
|
Drain refrigerant circuit.
–
Remove defective part, purge with compressed air and collect
escaping refrigerant oil.
...
Other materials:
Removing and installing window slot inner seal
Note
Removal and installation are only described for the left
window slot inner seal. Removal and installation of the right
window slot outer seal are similar.
Removing
–
R ...
Removing and installing Bowden cable for remote release mechanism for seat
backrest
Note
Removal and installation are described for the left vehicle side.
Follow same instructions for the right side as appropriate.
Removing
Bowden cable on backrest end
–
Remove rear seat backrest
→ Chapter.
...
O-ring
Use only O-rings that are resistant to refrigerant R134a and
related refrigerant oils. O-rings are no longer colour-coded.
Coloured and black O-rings are used.
Check that the O-rings used have the correct internal
diameters.
...
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If there is still refrigerant in the refrigerant circuit