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:
Front Seat Belt Guide, Removing and Installing
Removing
- Remove the B-pillar lower trim panel and bracket for the upper
B-pillar trim panel. Refer to
→ Chapter "B-Pillar Lower Trim Panel, Removing and Installing".
- Push the bracket together in the direction of
-arrows- and remove the belt guide
-1- upward.
- Guide out t
Repair a wiring 0.35 mm 2 or greater with
intermediate wire section
Note
For the repair use repair wires with a cross section of 0.35
mm2 through 6.0-mm2.
Procedure
- Free up the wire to be repaired at two places approximately
20 cm on both sides of the repair point.
Caution
Risk of damaging the electrical wires.
Expose wrapped wiring harness
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