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:
Driver/Front Passenger Seat Adjustment Control Head -E470-/-E471-,
Removing and Installing
Special tools and workshop equipment required
Trim Removal Wedge -3409-
Removing
- Carefully pry the actuators -1 and 2-
from the retainer using the -3409-.
- Remove the seat side trim on the side sill side. Refer to
→ Chapter "Seat Side Trim on Side Sill Side, Removing and
Ins
Overview - Suspension Strut and Upper Control Arm
Overview - Suspension Strut and Upper Control Arm
1 - Bolt
Replace after removing
2 - Control Arm
3 - Shock Absorber Fork
Removing and installing. Refer to
→ Chapter "Shock Absorber Fork, Removing and Installing".
4 - Bolt
Replace after removi
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