Audi A4, S4

since 2000 release

Repair and operation of the car



Audi A4, S4
+ Introduction
+ Governing bodies and methods of safe operation
+ Current leaving and service
+ Engine
+ Cooling systems, heating and air conditioner
+ Power supply systems, release and decrease in toxicity of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


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Current leaving and service

This Head is made to help the amateur mechanic to support the car in a condition of maximum efficiency of operational parameters, profitability, safety and reliability. Further you will find the full schedule of procedures of routine maintenance of the car, and also the Sections devoted to the description of service of its separate systems in the Head. Sections included descriptions of visual checks, adjustments, replacements a component and other useful tips. Separate a component illustrations with types of a motive compartment and the bottom of the car will help to define location. Serving the car according to the kilometrazhno-time schedule and following the detailed remarks provided below, you receive the accurate program of service capable to provide long and reliable service of your car. Remember that this plan is exhaustive, and implementation of its separate points and neglect by others will not give the expected result.

Current leaving

In the course of service of the car you are convinced soon that is possible - and it is necessary - to combine many procedures in view of similarity of actions for their performance. For example, if the car is raised over the earth for chassis greasing, follows at the same time while you are under the car, to examine system of production of the fulfilled gases, a suspension bracket, system of a steering and fuel system. If wheels are removed for carrying out other works, there is a sense to check brake mechanisms. And at last, suppose, that you had to borrow or hire a dinamometrichesky key. Even if it is necessary to you only to tighten spark plugs, you can check efforts of a tightening of so many critical nuts and bolts at the same time, on time how many will be enough.

The first step in implementation of the program of maintenance of the car is self-preparation. Attentively study materials of all Sections relating to the forthcoming procedures then prepare all necessary materials, the equipment and tools. If you are afraid to face problems when performing any concrete works, consult at the expert or at the person who was already carrying out this work.

HUNDRED in addition, at each service, by means of the device for poll of memory of malfunctions read out data from memory of malfunctions of electronic control units of the engine, ABS, safety cushion and anticreeping system. It is for this purpose recommended to address through certain periods on HUNDRED. Thus it must be kept in mind that some malfunctions, for example the failed sensors of a control system of the engine, do not lead to noticeable decrease in characteristics of the car. Control units have the mode of emergency functioning or work at the average values of parameters brought in memory that cannot be revealed by the driver. Poll of memory of malfunctions is carried out via the diagnostic socket. Service is carried out according to a certain term and run of the car.

Cowl of a motive compartment

At an open cowl and the working engine there is a danger of traumatizing.

After switching off of the engine possibly rotation of blades of the electric fan of a radiator within about 30 seconds.

The engine is equipped with electronic system of ignition. In view of a high voltage of system of ignition it is very dangerous to touch elements of system of ignition (the ignition coil, the ignition distributor, a wire of a high voltage, tips of spark plugs, the control socket):

  • At the working engine,
  • At start of the engine,
  • When the key in the lock of ignition is in situation 2 and the crankshaft of the engine is turned by hand.

Unlocking of a cowl

The handle of unlocking of a cowl is in salon of the car.

 PERFORMANCE ORDER

  1. Pull the handle located under the dashboard in the direction of an arrow. Thus the cowl will be pushed out from a lock by effort of a spring. At the same time through a front grille the unlocking uvula outside moves forward.

Opening of a cowl

Before opening of a cowl be convinced that brushes of a screen wiper are on a windshield. Otherwise they can damage a paint and varnish covering.

 PERFORMANCE ORDER

  1. Raise a cowl a little.
  1. Pull the unlocking uvula in the direction of an arrow. Thus the cowl will be exempted from the hook-lovitelya holding it.
  1. Open a cowl. The open cowl is kept in the top situation by a gas-filled emphasis.

Work in podkapotny space

When carrying out any sort of works in podkapotny space extra care is required! Types under a cowl are given on sopr. illustrations.

Look under a cowl of the 4-cylinder petrol engine

1 Ч the Accumulator (under a cover)
2 Ч the Oil-filling opening of the engine
3 Ч the Tank of brake fluid
4 Ч the Maslomerny probe of the engine (orange)

5 Ч the Broad tank of the cooling system
6 Ч the Filling tank of windscreen washer
7 Ч the power steering liquid Tank (a green cover)

Look under a cowl of the 6-cylinder petrol engine

1 Ч the Accumulator (under a cover)
2 Ч the Oil-filling opening of the engine
3 Ч the Tank of brake fluid
4 Ч the Maslomerny probe of the engine (orange)

5 Ч the Broad tank of the cooling system
6 Ч the Filling tank of windscreen washer
7 Ч the power steering liquid Tank (a green cover)

Look under a cowl of the 4-cylinder diesel engine

1 Ч the Accumulator (under a cover)
2 Ч the Oil-filling opening of the engine
3 Ч the Tank of brake fluid
4 Ч the Maslomerny probe of the engine (orange)

5 Ч the Broad tank of the cooling system
6 Ч the Filling tank of windscreen washer
7 Ч the power steering liquid Tank (a green cover)

Look under a cowl of the 6-cylinder diesel engine

1 Ч the Accumulator (under a cover)
2 Ч the Oil-filling opening of the engine
3 Ч the Tank of brake fluid
4 Ч the Maslomerny probe of the engine (orange)

5 Ч the Broad tank of the cooling system
6 Ч the Filling tank of windscreen washer
7 Ч the power steering liquid Tank (a green cover)

In order to avoid serious functional violations watch to mixing operational liquids when refueling of various systems by them!

Regular control of the bottom of the car promotes timely identification of thinnesses. At detection of spots of oil or other operational liquids check the car in a workshop.

Closing of a cowl

 PERFORMANCE ORDER

  1. Pull a cowl down to full overcoming of effort of a gas-filled spring.
  2. Slam a cowl in easy blow so that it was latched on the lock; do not press in addition!