Volkswagen Golf Service & Repair Manual: Design of refrigerant circuit
- Refrigerant circuit with expansion valve and evaporator
- Refrigerant circuit with restrictor and reservoir
High-pressure safety valve
The high-pressure safety valve is fitted to the air
conditioner compressor or the receiver.
The valve opens at a pressure above approx. 38 bar and
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Refrigerant circuit with expansion valve and evaporator
1 -
Evaporator
2 -
Expansion valve
3 -
Valve for extracting, charging and measuring
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Other materials:
Removing and installing A-pillar trim
Special tools and workshop equipment
required
Removal wedge -3409
Torque wrench -V.A.G 1783
Removing
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Removing and installing spring, torsion beam axle
Special tools and workshop equipment
required
Spring compressor -V.A.G 1752/1-
Spring retainer -V.A.G 1752/3A-
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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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