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
READ NEXT:
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:
Locking Mechanism Trim, Removing and Installing
Special tools and workshop equipment required
Trim Removal Wedge -3409-
Removing
- Unlock the rear seat backrest.
- Make sure the button -2-
(indicator) is in the "up" position.
- Push the tabs in the direction of -arrows-
on both sides of the trim using a -3409-.
- Remove t
Front Peripheral Camera -R243-, Removing and Installing
The Front Peripheral Camera -R243- is installed in the
radiator grille under the Audi rings.
Removing
- Turn off the ignition and all electrical equipment and
remove the ignition key.
- Remove the front bumper cover. Refer to
→ Body Exterior; Rep. Gr.63; Front Bumper; B
© 2019-2025 Copyright www.audia4b9.com
