Volkswagen Golf Service & Repair Manual: O-ring

Volkswagen Golf Service & Repair Manual / Air conditioning system with refrigerant R134a / General information on refrigerant circuit / Refrigerant circuit components / 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 and its associated refrigerant oils. This is assured by using genuine replacement parts.

→ Parts catalogue

O-ring:

Never reuse seals!

Check that diameters -a- and -b- are correct.

Before fitting a seal, coat it lightly with refrigerant oil.

Note

The colour coding of O-rings for R134a refrigerant circuits has been discontinued. Coloured and black O-rings are used.

→ Rep. gr.87

→ Parts catalogue

O-ring

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 t ...

Pipes and hoses in refrigerant circuit

The mixture of refrigerant oil and refrigerant R134a attacks certain metals (e.g. copper) and alloys and dissolves certain hose materials. Therefore, always use genui ...

Other materials:

Assembly overview - air duct and air distribution in passenger compartment
Note The illustration shows a left-hand drive vehicle. 1 - Air duct for defroster vent Removing and installing → Chapter. 2 - Air duct f ...

Assembly overview - front three-point seat belt, 2-door model
1 - Bolt If removed due to an accident with seat belt fastened, renew bolt. 20 Nm 2 - Belt end fitting Removing and installing → Chapter 3 - Bolt If removed due to an accident w ...

Cleaner for plastics, antistatic
Designation: Cleaner for plastics, antistatic -LVM 001 001 A2- Note Information on preparing and applying the cleaner for plastics, antistatic -LVM 001 001 A2- may be found in the documentation for t ...