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:

Interior mirror
Fig. 92 On the windscreen: automatic anti-dazzle interior mirror Fig. 93 On the windscreen: manual anti-dazzle interior mirror First read and observe the introductory information and safety warnings The driver must adjust the interior mirror to ensure clear visibility through the rear ...

Removing and installing camshaft control valve 1 -N205- and exhaust camshaft control valve 1 -N318-
Note On engines with codes CMBA, CPVA, CXSA, CZCA and CPVB, only camshaft control valve 1 -N205- is installed. Removing Inlet camshaft control valve 1 -N205- – Disconnect ele ...

Connecting air conditioner service station for measuring and checking
Depending on the type of equipment chosen, there may be variations in the required procedure; therefore always follow the user's manual for the equipment being used. Note Always follow the procedure described in the user's manua ...