Audi A4: Laws and Regulations
Audi A4 (B9) 2016-2025 Service Manual / Heating, Ventilation & Air Conditioning / Laws and Regulations
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General Information
Note
The laws and regulations listed below are applicable in
Germany. Different or additional laws and regulations may apply
in other countries.
The effects of climate change can be seen wor
Laws and Regulations
Refrigerant Circuit, Converting R12 to R134a and Servicing
Note
For environmental reasons and on account of the
corresponding legislation, refrigerant R12 can no longer be
manufactured or
SEE MORE:
Pressure Gauge, Tests and Measurements
General Information
Indicators on pressure gauge
1 - Temperature scale for refrigerant R134a CF3-CH2F or
CH2F-CF3.
2 - Pressure scale
Note
Pressure is measured in different units: 1 MPa (145 psi)
corresponds to 10 bar (145 psi) positive pressure. 1 bar (14.5
psi) abso
Differential
Overview - Differential
1 - Left Flange Shaft Seal
Replacing. Refer to
→ Chapter "Left Seal, Replacing".
2 - Shim
Behind the taper roller bearing outer race
3 - Taper Roller Bearing Outer Race
4 - Front Differential
5 - Bolt
Tighteni
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