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:
Restraint System Pyrotechnic, Electric and Mechanical Components,
Replacing After a Collision
Special tools and workshop equipment required
Vehicle Diagnostic Tester
The airbag control module must be replaced
If the display "Control module faulty" appears after checking
the DTC memory
After three side/ driver/ front passenger airbag or belt
tensioner deployments
If housing is damage
Front seats
General information
Make sure that:
You can press the pedals down completely
while your legs are slightly bent
The distance between your upper body and the
steering wheel or instrument panel is at least
10 inches (25 cm)
The distance between your knees and the instrument
panel is at least 4
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