VW Golf manuals

Volkswagen Golf Service & Repair Manual: 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:

Removing and installing door handle
Removing   Note Removal and installation are described only for the right door handle. The left side is similar.     General information and work instructions for the door handle key ...

Safety precautions when working on cooling system
Risk of scalding due to hot coolant The cooling system is under pressure when the engine is hot. Hot steam/hot coolant can escape - risk of scalding. –  Wear protective gloves. –  Wear eye protection. –  ...

Removing and installing control unit for daytime running light and side light -J860-/-J861-
  WARNING Risk of death due to high voltage! Risk of injury and environmental pollution! Observe operation and safety notes for gas discharge bulbs → Chapte ...

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