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:
Introduction
This chapter contains information on the following subjects:
→ Operating ParkPilot
→ Acoustic and optical ParkPilot signals
→ ParkPilot menu
→ Vehicle path display
→ Towing a trailer
The ParkPilot assists the driver when manoeuvrin ...
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 ...
Lowering rear axle, multi-link suspension, four-wheel drive
Special tools and workshop equipment
required
Torque wrench -V.A.G 1332-
Engine and gearbox jack -V.A.G 1383 A-
...
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Expansion valve
Pipes and hoses in refrigerant circuit