Audi A4: Refrigerant Circuit General Information
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit General Information
- Vehicles with a High Voltage System (Hybrid Vehicles)
- Refrigerant Circuit Components Allocation, High and Low Pressure Sides
- Refrigerant Circuit
- Connections for Quick-Release Coupling on Refrigerant Circuit
- Switches and Sensors on Refrigerant Circuit and Connections
- Refrigerant Circuit Pressures and Temperatures
- Pressure Gauge, Tests and Measurements
- Service and Recycling Units
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Vehicles with a High Voltage System (Hybrid Vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Death or serious
bodily injury by electric shock.
- Individuals with electronic/medical life- and health su
General Information
High pressure side are the condenser, receiver/dryer and
restrictor or expansion valve to separate the high and low
pressure liquid ends.
High pressure results from the restrictor or expansion valve
SEE MORE:
Subframe Crossbrace, Removing and Installing
Special tools and workshop equipment required
Torque Wrench 1331 5-50Nm -VAG1331-
Engine and Gearbox Jack -VAS6931-
Puller - Ball Joint -T40043-
Gearbox Support -T40173-
Locating Pin -T40334-
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview an
Battery Tester with Printer -VAS5097A-
WARNING
Risk of injury. Follow all warning messages and
safety precautions. Refer to
→ Chapter "Warnings and Safety Precautions".
It is not necessary to disconnect or remove the Battery -A-
when using the Battery Tester with Printer -VAS5097A-.
The following Batteries -A- can be t
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