Note
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Colour
Like water, the refrigerant is colourless both in the vapour state and the liquid state. Gases are invisible. Only the boundary layer between gas and liquid is visible. (Fluid level in indicator tube of charging cylinder for bubbles in sight glass.) Liquid refrigerant R134a may appear coloured (milky) in a sight glass. This cloudiness is caused by partially dissolved refrigerant oil and does not indicate a fault.
Assembly overview - control unit and hydraulic unit, LHD vehicles
1 -
Brake line
From primary piston circuit of brake master cylinder to hydraulic
unit.
Identification: Ш 6 mm and flare nut with thread M 12 x 1
14 Nm
2 -
Brake line
Fr ...
Assembly overview - subframe, multi-link suspension, front-wheel drive,
except for e-Golf
1 -
Subframe
Removing and installing subframe with attachments
→ Chapter
2 -
Bolt
Renew after removing
70 Nm +180°
3 -
Bolt
Re ...
Without needing to purge refrigerant circuit of contaminants (cleaning),
e.g. in cases of external damage after an accident
Drain refrigerant circuit.
–
Remove air conditioner compressor.
Note
If a different air conditioner compressor with other
refrigerant oil is fitted, purge the refrigerant circuit with
R134a r ...