Audi A4 Owners & Service Manuals

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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 Rear Lid, Removing and Installing

Rear Lid, Removing and Installing, Sedan To complete the procedure, a second technician is required to be at the following position. Removing - Remove the rear lid lower trim panel. Refer to → Body Interior; Rep. Gr.70; Luggage Compartment Trim Panels; Rear Lid Lower Trim

 Glass Panel, Removing and Installing

Glass Panel, Removing and Installing, Sedan   Caution This procedure contains mandatory replaceable parts. Refer to component overview and parts catalog prior to starting procedure. Mandatory Replacement Parts Screw - Glass Panel The following components must be replaced after removal. R

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