Audi A4: Switches and Sensors on Refrigerant Circuit and Connections
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit General Information / Switches and Sensors on Refrigerant Circuit and Connections
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A/C Refrigerant High Pressure Switch -F23-
Note
Switch pressures, removing and installing switches as well
as switch arrangement and version. Refer to vehicle specific
refrigerant circuit
→ Heating, Ventilation and Air Condit
A/C Pressure Switch -F129-
Note
Switch pressures, removing and installing switches as well
as switch arrangement and version. Refer to vehicle specific
refrigerant circuit
→ Heating, Ventilation and Air Condit
A/C Pressure/Temperature Sensor
There are different versions of this sensor with different
functions and with different names. For exact name, allocation
and notes doe the respective function, refer to
→ Heating, Ventilatio
SEE MORE:
Upper Control Arm, Removing and Installing
Special tools and workshop equipment required
Vehicle Diagnostic Tester
Torque Wrench 1331 5-50Nm -VAG1331-
Torque Wrench 1331 Insert - Ring Wrench - 16mm -VAG1331/12-,
not illustrated
Torque Wrench 1332 40-200Nm -VAG1332-
Engine and Gearbox Jack -VAS6931-
Engine/Gearbox Jack Adapter - Wheel
Balance Shaft
Overview - Balance Shaft
1 - Cylinder Block
2 - Bolt
Tightening specifications. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.13; Balance Shaft;
Overview - Balance Shaft.
3 - Intake Side Balance Shaft
Removing and installing. Re
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