Volkswagen Golf Service & Repair Manual: Expansion valve

Volkswagen Golf Service & Repair Manual / Air conditioning system with refrigerant R134a / General information on refrigerant circuit / Refrigerant circuit components / Expansion valve

The expansion valve atomises incoming refrigerant and regulates the flow so that, depending on the heat transport, the vapour does not become a gas until it reaches the outlet of the evaporator.

Expansion valve

Receiver

The receiver collects the liquid droplets and directs them in a continuous stream to the expansion valve. Moisture which has entered the refrigerant circuit during as ...

O-ring

These O-rings seal the joints between the individual components of the refrigerant circuit. Use only seals that are resistant to refrigerant R134a an ...

Other materials:

Assembly overview - three-point seat belt, 4-door model, with belt tensioner
1 - Belt inertia reel Removing and installing → Chapter 2 - Electrical wiring harness 3 - Bolt If removed due to an accident with seat belt fastened, renew bolt 40 Nm 4 ...

Refrigerant machine oil
Refrigerant machine oil is miscible (approx. 20%–40% depending on the type of air conditioner compressor and the quantity of refrigerant) in the refrigerant. It circulates continuously in the circuit and lubricates the moving parts. ...

Connecting vacuum gauge for brake servo -VAS 6721-
Special tools and workshop equipment required Vacuum gauge for brake servo -VAS 6721- – Pull vacuum hose out of brake servo. First press the br ...