Volkswagen Golf Service & Repair Manual: Removing and installing refrigerant line between air conditioner compressor
and evaporator
| Special tools and workshop equipment
required |
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Engine bung set -VAS 6122 |
| Torque wrench -V.A.G 1331/- (5…50 Nm) |
| Air conditioner service station |
| – |
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.
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Detach coolant expansion tank and place to one side. |
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Separate refrigerant lines. |
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Unscrew bolt -3- of refrigerant
line -4-. |
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Unclip refrigerant lines from retainers, and remove them. |
| 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. |
| → Chapter „System overview - refrigerant circuit“ |
| → Chapter „Assembly overview - drive unit of air conditioner
compressor“ |
| Noise insulation
→ General body repairs, exterior; Rep. gr.66 |
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Special tools and workshop equipment
required
Torque wr ...
Other materials:
Restrictor
The restrictor creates a restriction. This restriction
limits the flow, separating the high-pressure and low-pressure
sides in the refrigerant circuit. Upstream of the restrictor,
the refrigerant is warm due to the high pressure. Downstream of
the restri ...
Removing and installing coolant valve for high-voltage battery -N688-
Special tools and workshop equipment
required
Hose clamps, up to 25 mm -3094-
Hose clip pliers -VAS 6362-
...
First aid
In the event of contact with the eyes or mucous membranes,
wash immediately with copious running water and summon an eye
specialist.
In the event of contact with the skin, remove wetted
clothing and wash the affected skin with copi ...
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Removing and installing refrigerant line between condenser and air
conditioner compressor