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:
Attachments, Removing and Installing
Lock Carrier Cover, Removing and Installing
Special tools and workshop equipment
required
Removal Wedge -T40233-
Removing
- Remove the hook release lever. Refer to
→ Chapter "Hook Release Lever, Removing and Installing".
- Release the lock carrier cover catches -5-
on the radia
Overview - Rearview Camera System
The rear view camera system (KA2) assists the driver during
back-up driving for diagonal and parallel parking for trailer
towing and watching cross traffic by providing the driver with
an image of the traffic situation behind the vehicle via the
Front Information Display Control Head -J685-.
The
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