Volkswagen Golf Service & Repair Manual: Pipes and hoses in refrigerant circuit

Volkswagen Golf Service & Repair Manual / Air conditioning system with refrigerant R134a / General information on refrigerant circuit / Refrigerant circuit components / 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 genuine replacement parts.

The hoses and pipes are held together with screwed joints or special push-fit joints.

Note

When assembling screwed joints, be careful to comply with the prescribed torques, and when working on push-fit joints, be careful to use the disconnection tools provided.

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 ...

High-pressure safety valve

The high-pressure safety valve is fitted to the air conditioner compressor or the receiver. The valve opens at a pressure above approx. 38 bar and ...

Other materials:

2-pack HS Optimum clear coat
Designation: 2-pack HS Optimum clear coat -LZK 769 K02 A5- Issued 10.2012 Product description 2-pack HS Optimum clear coat is a VOC compliant (VOC content < 420 g/l), high ...

Introduction
This chapter contains information on the following subjects: → Contents of the breakdown set → Preparation → Sealing and inflating tyres → Test after driving for 10 minutes You can use the breakdown set (tyre mobility set) to safely seal any tyre damage cause ...

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 ...