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 an air conditioner
service station
→ Chapter.
Note
...
Assembly overview - track rod, multi-link suspension, four-wheel drive
1 -
Subframe
2 -
Bolt
Renew after removing
70 Nm +180°
3 -
Wheel bearing housing
4 -
Track rod
Removing and installing
→  ...
Effects on metal
In its pure state, refrigerant R134a is chemically stable
and does not attack iron or aluminium.
However, impurities such as chlorine compounds in the
refrigerant do attack certain metals and plastics. This can lead
to blockages, leaks a ...