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:

1-pack test paint
Designation: 1-pack test paint -LLS MAX 005-, black Issued 10.2008 Product description The 1-pack test paint -LLS MAX 005- is a one-pack product based on special NC resin com ...

Cavity sealing, body at front and centre
Cavity sealing, door of 2-door Illustration shows left side. The right side is the mirror image. Note The indicated areas have been treated with cavity sealant and must be resealed following repairs. ...

Overview of fitting locations – lights in roof trim
1 - Driver side illuminated vanity mirror -W20- In the case of vanity mirrors with LED lighting, the entire light must be renewed in the event of a fault. Removing and installing → Chapter 2 - ...