Volkswagen Golf Service & Repair Manual: Pipes and hoses in refrigerant circuit
 Note
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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:
An economic driving style
First read and observe the introductory information
and safety warnings Changing gear earlier
In principle, the highest gear is always the most economical gear. A rule of
thumb for most vehicles: at a speed of 30 km/h (18 mph) drive in 3rd gear, at 40
km/h (25 mph) in 4th gear and at 50 km/ ...
Permissible deviation in tread depth
Only tyres of the same construction and tread pattern should
be used on all four wheels.
Always fit the tyres with the deeper tread to the front
axle.
It is basically possible to replace tyres individually.
...
Notes concerning odours in air conditioned vehicles
If the evaporator emits unpleasant odours, clean the
evaporator.
Volkswagen has tested and approved the ultrasound A/C
cleaner -VAS 6189A- as well as the suction feed spray-gun -V.A.G
1538- with the appropriate spray probe.
...
