Volkswagen Golf Service & Repair Manual: Evacuation and charging valves for quick-release couplings of air
conditioner service station on refrigerant circuit
| Special tools and workshop equipment
required |
| Torque wrench -V.A.G 1783- (2…10 Nm) with 1/4" ratchet
adapter -VAS 6234- |
WARNING
| Danger of freezing injuries. |
| If refrigerant circuit has not been evacuated,
refrigerant will escape. |
| Extract refrigerant before opening refrigerant
circuit. If the refrigerant circuit is not opened within
10 minutes after it has been evacuated, pressure may
develop in coolant circuit due to re-evaporation.
Extract refrigerant again. |
|
| Only valves and connections resistant to R134a refrigerant
and the related refrigerant oils may be used. |
| The connectors for the high-pressure and low-pressure sides
are different (outside diameter). |
| Always screw on sealing caps. |
| Arrangement within the vehicle. |
| See vehicle-specific repair manual
→ Rep. gr.87 |
|
|
|
1 -
Air conditioner compressor
2 -
Condenser
3 -
Restrictor
4 ...
Note
Torque wrench -V.A.G 1783- with 1/4" ratchet adapter -VAS
6234-
Appropriate insert -T10364- to remove Schrader valve ...
Other materials:
Rules for cleanliness for working on the auxiliary heater and the fuel
system
Thoroughly clean all connections and adjacent areas before
disconnecting.
Place parts that have been removed on a clean surface and
cover. Do not use fluffy cloths!
Carefully cover or seal opened components i ...
Cleaning the engine compartment
First read and observe the introductory information
and safety warnings The engine compartment of any motor vehicle is a hazardous
area .
The engine compartment should be cleaned by a qualified workshop. Corrosion protection
could be removed and electrical components damaged if the com ...
Subsequent bleeding of hydraulic system
Note
Carry out subsequent bleeding when:
brake pedal travel is too long or so-called
»soft brake pedal«
Subsequent bleeding requires the assistance of a second
mechanic.
–&n ...
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Refrigerant circuit with restrictor and reservoir
Evacuation and charging valve with Schrader valve