Audi A4 Owners & Service Manuals

Audi A4: Heating, Ventilation & Air Conditioning

Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning

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 Warnings when Working on Vehicles with High Voltage System

Vehicles with a High-Voltage System (Hybrid Vehicles) Working on Vehicles with High-Voltage System (Hybrid Vehicles) Extremely Dangerous Due to High-Voltage The high-voltage system is under high-volta

 A/C System, General Information

 Introduction

The purpose of this repair manual is to provide service advisors and technicians with the basic knowledge needed to ensure professional and competent procedures.   Note Only the careful study

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 A/C Refrigerant High Pressure Switch -F23-

  Note Switch pressures, removing and installing switches as well as switch arrangement and version. Refer to vehicle specific refrigerant circuit → Heating, Ventilation and Air Conditioning; Rep. Gr.87; System Overview - Refrigerant Circuit (vehicle-specific repair manua

 Service Station, Connecting with No Connection on Low- and High Pressure Side of Refrigerant Circuit

General Information On the following vehicles, no service connection is provided for the service station on the low-pressure side of the refrigerant circuit; adapters must be used to connect the service station to the refrigerant circuit on these vehicles: Audi 80, Audi Cabrio, Audi Coupe Audi

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