Volkswagen Golf Service & Repair Manual: Refrigerant circuit with restrictor and reservoir

Volkswagen Golf Service & Repair Manual / Air conditioning system with refrigerant R134a / General information on refrigerant circuit / Design of refrigerant circuit / Refrigerant circuit with restrictor and reservoir

1 -	Air conditioner compressor

2 -

Condenser

3 -	Restrictor

4 -	Evaporator

5 -	Reservoir with dryer cartridge

Note

Arrows show the direction of refrigerant flow.

Refrigerant circuit with restrictor and reservoir

Refrigerant circuit with expansion valve and evaporator

1 - Evaporator 2 - Expansion valve 3 - Valve for extracting, charging and measuring ...

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- ...

Other materials:

Removing and installing circulation pump -V55-
Special tools and workshop equipment required Hose clamps, up to 25 mm -3094- Pliers for spring-type clips -VAS 5024A- ...

Test preparations, wheel alignment with driver assist systems
The following steps are required if one or more driver assist systems on the vehicle are to be calibrated via the “Quick-start” procedure (i.e. without first checking and adjusting the wheel alignment): Before driving the vehic ...

General repair instructions
– → Chapter „Safety precautions when working on high-voltage system“ Comply with notes. – Read self-diagnosis of auxiliary heater using vehicle diagnostic tester. – ...