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:

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Special tools and workshop equipment required Radio release tool -T10057- Protective cap for wiring harness connector -VAS 6223/ ...

Permanent underbody protection -D 314 D36 M2-, grey
Designation: Permanent underbody protection -D 314 D36 M2-, grey Issued 02.2010 Product description, permanent underbody protection -D 314 D36 M2-, grey Permanent underbody p ...

Notes on repairs to contact housings and connectors
Note Observe the general notes on repairs to the vehicle electrical system → Chapter. Allocation of the appropriate crimp contacts to the contact housings is by way of the part number stamped on the ...