Audi A4 Owners & Service Manuals

Audi A4: Refrigerant Circuit Components Allocation, High and Low Pressure Sides

Audi A4 (B9) 2016-2023 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit General Information / Refrigerant Circuit Components Allocation, High and Low Pressure Sides


 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


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


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


 Seat Belt Latch, Function Test

Seat Belt Latch, Checking - Insert the belt tongue into the seat belt latch until it clicks into place. Check whether the locking mechanism is properly engaged by giving the seat belt webbing a firm jerk. Replace the entire seat belt with the seat belt latch if the belt tongue fails even o


General information You can apply the vehicle's brakes using the brake pedal. Operating noise Noises may occur when braking depending on the speed, braking force, and outside conditions such as temperature and humidity. Braking effect The response time from the brakes depends on the weather and envi

© 2019-2023 Copyright