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:

Switching the front passenger front airbag on and off manually using the key-operated switch
Fig. 72 In the dash panel on the front passenger side: key-operated switch for switching the front passenger front airbag on and off First read and observe the introductory information and safety warnings The front passenger front airbag must be switched off when securing a rear-facing c ...

1-pack anti-corrosion primer
Designation: 1-pack anti-corrosion primer -LLS MAX 003 M2-, red brown Issued 03.2013 Product description The 1-pack anti-corrosion primer -LLS MAX 003 M2- is a zinc chromate- ...

Removing and installing bulb for rear interior light -W43- with incandescent bulbs
Special tools and workshop equipment required Removal wedge -3409- Note The lights used for the rear interior light -W43- are the same as the rear left and rea ...