VW Golf manuals

Volkswagen Golf Service & Repair Manual: 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:

Preparing new windows for installing
  Note   The area on which the adhesive bead is applied is not precoated or primed.   The sealing lip is included with a new windscreen.   No win ...

After purging refrigerant circuit of contaminants, e.g. due to moisture intrusion (because refrigerant circuit has stood open for a length of time) or due to dirt
The reservoir or receiver or cartridge of the dryer bag need not be renewed under the following circumstances: After an accident in which there was no damage to the reservoir or receiver. Repairs are performe ...

Removing and installing infotainment system display
Special tools and workshop equipment required     Removal wedge -3409-   Radio release tool -T10057- Removing ...

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