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:
Water Drain Hoses
Overview - Water Drain Hoses
Overview - Front Water Drain Hoses
1 -
Grommet
Push all the way into the body using a soap solution
2 -
Front Water Drain Hose
Cleaning. Refer to
→ Chapter "Water Drain Hoses, Cleaning".
Removing and installing. Refer to
→ Chapte
Sunroof Seals, Removing and Installing
Sunroof Seals, Removing and Installing, Sedan
Removing
- Remove the glass panel. Refer to
→ Chapter "Glass Panel, Removing and Installing, Sedan".
- Remove the seal -2- from the glass
panel -3-.
1 -
Roof
Installing
- Starting in the center, press the new seal on
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