Volkswagen Golf Service & Repair Manual: 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 and
its associated refrigerant oils. This is assured by using
genuine replacement parts. |
| Check that diameters -a- and
-b- are correct. |
| Before fitting a seal, coat it lightly with refrigerant oil. |
 Note
| The colour coding of O-rings for R134a refrigerant circuits
has been discontinued. Coloured and black O-rings are used. |
|
|
|
The expansion valve atomises incoming refrigerant and
regulates the flow so that, depending on the heat transport, the
vapour does not become a gas until it reaches t ...
The mixture of refrigerant oil and refrigerant R134a attacks
certain metals (e.g. copper) and alloys and dissolves certain
hose materials. Therefore, always use genui ...
Other materials:
Removing and installing speed sensors on front axle -G45-/-G47
Note
Removal and installation is described for the front left
speed sensor. Removal and installation of the front right speed
sensor is analogous.
Removing
–
Raise vehicle.
&n ...
Introduction
This chapter contains information on the following subjects:
→ Preparation for changing a wheel
→ Wheel bolts
→ Lifting the vehicle with the jack
→ Changing a wheel
→ After changing a wheel
Some models are delivered without a factory-fitted jack or bo ...
Checking the electrolyte level of the vehicle battery
Fig. 197 Engine compartment: pushing up
the vehicle battery sleeve
First read and observe the introductory information
and safety warnings The electrolyte level of the vehicle battery should be
checked regularly in high-mileage vehicles, in hot countries and in older vehicle
batteries. T ...
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Expansion valve
Pipes and hoses in refrigerant circuit