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
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Tires and vehicle load limits
There are limits to the amount of
load or weight that any vehicle
and any tire can carry. A vehicle
that is overloaded will not handle well and is more difficult to stop.
Overloading can not only lead to
loss of vehicle control, but can also
damage important parts of the
vehicle and can lead to sudd
Subframe Mount
Overview - Subframe Mount
1 - Bolt
70 Nm for FWD vehicles (M10x40 10.9)
40 Nm +90º for AWD vehicles (M10x40 8.8)
2 - Tunnel Crossmember
Removing and installing. Refer to
→ Chapter "Tunnel Crossmember, Removing and Installing".
3 - Stop
For the transmi
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