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:

Removing and installing eyelet for net partition
Special tools and workshop equipment required Removal wedge -3409- Removing Eyelet for net partition, without rear reading light ...

Assembly overview - wheel housing trim, estate
Note The illustration shows the wheel housing trim on the left side. The right-hand side is similar (mirror image of left-hand side). I: Vehicles without side padding II: Vehicles with side padding 1 - Wheel housing tri ...

Assembly overview - belt pulley, Sanden air conditioner compressor
1 - Nut 25 Nm Note In order to protect the thread of the air conditioner compressor drive shaft an additional plastic cap is fitted (not shown in illustration). – To unfasten and tighten the hex ...