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:

Recycling and refuse law
  Note The laws and regulations listed below are valid in the Federal Republic of Germany. Other or additional laws and regulations may apply in other countries. Sources in other countries may be obtained from the ...

Removing and installing lock carrier – petrol/diesel
Note The lock carrier is a safety-relevant component. For this reason, the lock carrier must only be repaired at the points indicated. In the event of damage, renew lock carrier For vehicles with adaptive cruise control unit -J428-, the adaptive cruise control unit -J428- must be adjus ...

Evacuation and charging valve with Schrader valve
  Note Torque wrench -V.A.G 1783- with 1/4" ratchet adapter -VAS 6234- Appropriate insert -T10364- to remove Schrader valve core → Fig. A -  Service port (soldered in) ...

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