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:
Air Filter
Overview - Air Filter Housing
1 - Snow Screen
Market-Specific Version
2 - Air Duct
On the lock carrier
Clean off any salt and dirt
3 - Water Drain
Clean
4 - Mount
For the air filter housing
5 - Sealing Piece
6 - Air Duct
Mar
Door Lock Cable, Removing and Installing
NOTICE
Risk of damaging the operating cable by deforming it.
- Never sharply bend or kink the operating cable.
Removing
- Remove the door window guide rail. Refer to
→ Chapter "Door Window Guide Rail, Removing and Installing".
- Remove the bolts -arrows-.
- Push t
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