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:
TV Antenna Amplifier 1 -R82-, Removing and Installing, Sedan
The TV Antenna Amplifier 1 -R82- is located at the lower
right of the D-pillar.
Removing
- Turn off the ignition and all electrical equipment and
remove the ignition key.
- Remove the D-pillar trim panel. Refer to
→ Body Interior; Rep. Gr.70; Vehicle Interior Trim Panels
Control Arm Ball Bearing, Replacing
Control Arm Ball Bearing, Replacing, Wheel Bearing Housing Side
Special tools and workshop equipment required
Press Plate -VW402-
Press Piece - Multiple Use -VW412-
Press Piece - 42mm -VW516-
Press Piece - Reverse Gear Syncro -3296-
Assembly Paste -G 052 109 A2-
Caution
This procedur
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