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:
Parking Lock Emergency Release Cable, Removing and Installing
Removing
WARNING
There is a risk of an accident from the vehicle
starting to roll.
Pull the parking brake button to activate the
electro-mechanical parking brake.
- Remove the selector mechanism. Refer to
→ Chapter "Selector Mechanism, Removing and Installing".
- Remove
Selector Lever Handle, Removing and Installing
Note
Both the selector lever handle and the selector lever boot
are removed together.
Special tools and workshop equipment required
Trim Removal Wedge -3409-
Torque Wrench 1410 - VAG1410-
Removing
Ignition switched off.
- Remove the selector lever handle upper section
-1- upward
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