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 bonnet lock
Special tools and workshop equipment required Removing Torque wrench -V.A.G 1331- Note If the rear lid does not open, it can be opened in a ...

Removing and installing poly V-belt, vehicles with air conditioner compressor
Special tools and workshop equipment required Locking pin -T10060 A- Removing – To slacken poly V ...

Overview of fitting locations - fuel supply system, Golf Variant
Note Fuel lines are secured with O-type clips. These O-type clips must always be renewed every time they are removed. Start engine if fuel tank was empty. Then start the auxiliary heater repeatedly until the heater d ...