Audi A4: Refrigerant Circuit Components Allocation, High and Low Pressure Sides
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit General Information / Refrigerant Circuit Components Allocation, High and Low Pressure Sides
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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
Condenser
The condenser conducts heat from compressed refrigerant gas
to the ambient air.
This condenses the refrigerant gas to fluid.
Note
Depending on the version of the refrigerant circuit, the
r
Reservoir
The reservoir collects the vaporized and gaseous mixture
coming from the evaporator to ensure the compressor only
receives gaseous refrigerant. Gaseous refrigerant is formed from
the vapor.
The ref
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Removing
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- Remove the rear door trim panel. Refer to
→ Body Interior; Rep. Gr.70; Rear Door Trim Panels;
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Special tools and workshop equipment required
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Inner hex socket 8 mm or TORX
T50
Removing
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