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:

General description of Midtronics -INC 940- battery tester
Batteries in VW vehicles may only be charged with battery chargers approved by VW. In the USA/Canada, it is permitted for the Midtronics -INC 940- battery charger to be used. Midtronics -INC 940- battery charger combines battery charging ...

Spraying the evaporator with the suction feed spray-gun -V.A.G 1538- and spray lance
Spray the evaporator with Contra Sept directly using a spray lance (approx. 10 bar). Contra Sept neutralises microbes and bacteria directly at the evaporator. In order to enable access to the evaporator, some preliminary work and differe ...

Removing and installing curtain airbag with igniter, 2-door and 4-door models
Special tools and workshop equipment required       Release tool -VAS 1978/17- from release tool case -VAS 1978/35- Removing   ...

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