Audi A4: Refrigerant Circuit General Information
Audi A4 (B9) 2016-2025 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:
Wheel Bearing Housing, Removing and Installing
Special tools and workshop equipment required
Spreader Tool -3424-
Torque Wrench 1332 40-200Nm -VAG1332-
Engine and Gearbox Jack -VAS6931-
Ball Joint Splitter -VAS251805-, not illustrated
Puller - Ball Joint -T40043-
Caution
This procedure contains mandatory replaceable parts.
Refer
Radiator Grille/Front Trim
Overview - Radiator Grille
1 -
Emblem
Overview. Refer to
→ Chapter "Overview - Name Badges and Emblems".
2 -
Cover
For the front camera
3 -
Radiator Grille
Removing and installing. Refer to
→ Chapter "Radiator Grille, Removing and Installing".
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