Volkswagen Golf Service & Repair Manual: Clearing refrigerant circuit of contaminants
- Blowing through refrigerant circuit with compressed air and nitrogen
- Purging (cleaning) refrigerant circuit with refrigerant R134a
Detecting leaks in refrigerant circuit using leak detecting system -VAS
6196- or leak detecting system -VAS 6201- or a later model
Note
Small leaks can be detected with, for example, an UV leak
detector additive.
–
Evacuate refrigerant circuit using a ...
Blowing through refrigerant circuit with compressed air and nitrogen
Use compressed air to force moisture and other contaminants
out of the refrigerant circuit and use nitrogen to force
moisture out of the refrigerant circuit.
...
Other materials:
Air conditioning system pressure switch -F129
This pressure switch has 3 functions:
1. Switches radiator fan to next higher speed when pressure
increases in refrigerant circuit (approx. 16 bar).
2. Switches the air conditioning system off in the event of
excess ...
Layout - infotainment system, Composition Touch and Composition Colour
version
Display unit for control device of front display and
information control panel -J685-
Optional
CD drive
Features of infotainment system Composition Touch
5-inch monochr ...
Connection diagram - activated charcoal filter
Note
Fuel tank leak detection takes advantage of the fact that a
vacuum develops naturally in the fuel system as the fuel in the
tank cools. The variables temperature and pressure are necessary
for fuel tank leak detection. The temperature senso ...
