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:

Professional cleaning cloth -VAS 6006
Designation: Professional cleaning cloth -VAS 6006- Product description: The cloth is suitable for cleaning dust and micro dust from dry surfaces. It has anti-static properties when used to clean ...

Outer shoulder wear
Unsuitable use of self-levelling adjustments on pneumatic suspension system The use of the offroad level is recommended only for driving offroad. Permanent use of the offroad level during normal road operation can lead to increased tyre ...

Cleaning and caring for chrome and aluminium trim parts
First read and observe the introductory information and safety warnings Use a damp, clean, lint-free and soft cloth to clean the surfaces. For heavy soiling use a special solvent-free cleaning product. Polish the chrome and aluminium trim parts using a soft, dry cloth. NOTIC ...