Visual Inspection
3-Color Visual Indicator, CheckingA/C Compressor Regulator Valve -N280
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
Refer to
→ Rep. Gr.87.
...
Legal Requirements
The manufacturer is granted general type approval for the
whole vehicle including all parts and for specific retrofitting
(general type approval according to § 20 StVZO (Motor Vehicle
Construction and Use Regulations or EU type approval).
...
Tires, Rolling Noises, General Information
Rolling noise perceived by the human ear is caused by
vibrations transmitted from the noise source to the ear via the
air.
Here we are interested in noises created by certain
characteristics of the tires as well as the effects of rolling ...