Audi Q7 Owners & Service Manuals

Audi Q7: Refrigerant R134a Servicing

Audi Q7 (4M) 2016-2025 Workshop Manual / Heating, Ventilation & Air Conditioning / Refrigerant R134a Servicing

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 Warnings when Working on Vehicles with High Voltage System

Working on Vehicles with 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.

 A/C System, General Information

 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 c

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 Fuel

Types of gasoline The correct gasoline grade is stated on the inside of the fuel filler door. The vehicle is equipped with a catalytic converter and must only be driven with unleaded gasoline. Audi recommends using TOP TIER Detergent Gasoline. For additional information on TOP TIER Detergent Gasol

 Ignition and Timing

Ignition A spark ignition (SI) engine requires a spark to initiate combustion in the combustion chamber. Voltage is supplied to the spark plug where the electricity will arc across a gap at a voltage as high as 100 kilovolts. The ECM determines the precise moment to fire each spark plug using ig

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