Audi Q3 Owners & Service Manuals

Audi Q3: A/C System, General Information

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  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 s

  A/C Technology Basic Principles

Physical Principles The four known states of water also apply to air conditioning system refrigerants. 1 - Gaseous (invisible) 2 - Vapor 3 - Liquid 4 - S

  Refrigerant Oil

General Information   Caution When handling refrigerant oil, pay attention to local regulations. Refrigerant oil mixes with the refrigerant (about 20-40%, depending on compressor type a

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  Roof rack

General information Applies to: vehicles with roof rack mount Fig. 77 Roof rail: mounting points If luggage or cargo is to be carried on the roof, you must observe the following: These roof racks are the basis for a complete roof rack system. Only roof racks that are suitable for your vehicle m

  Overview - Subframe

Overview - Subframe, Vehicles with FWD   Caution There is a risk of damaging the subframe threaded connection threads on the body. The subframe bolts on the body must not be loosened or tightened with an impact wrench. Always install all bolts by hand for the first few turns.

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