Audi A4, S4

since 2000 of release

Repair and car operation

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 Head. Descriptions of visual checks, adjustments are included in Sections, replacements a component and other good advice. Separate a component illustrations with types of an impellent compartment and the car bottom will help to define a site. Serving the car according to the kilometrazhno-time schedule and following the detailed remarks provided below, you receive the accurate program of the service, capable to provide long and reliable service of your car. Remember that this plan is exhaustive, and performance of its separate points and neglect others will not give expected result.

Current leaving

In the course of car service you are convinced soon that is possible - and it is necessary - to combine many procedures in view of similarity of actions on their performance. For example, if the car is raised over 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 a spark plug, you can check at the same time efforts of a tightening of so many critical nuts and bolts, on time how many will suffice.

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 at performance of 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, a safety cushion and anticreeping system. It is for this purpose recommended to address through certain periods on HUNDRED. Thus it is necessary to mean that some malfunctions, for example the failed sensors of a control system of the engine, do not lead to appreciable decrease in characteristics of the car. Control units have a 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 car run.

Cowl of an impellent compartment

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

After switching off of the engine possibly rotation of blades of the electrofan 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.

Cowl unlocking

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

PERFORMANCE ORDER

Pull in the arrow direction the handle located under the dashboard. Thus the cowl will be вытолкнут from a lock effort of a spring. At the same time through a front grille the unlocking uvula is outside put forward.

Cowl opening

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

PERFORMANCE ORDER

Raise a cowl a little. Pull unlocking uvula in the arrow direction. Thus the cowl will be released from a hook-lovitelya holding it. Open a cowl. The open cowl keeps in the top situation by a gas-filled emphasis.

Work in podkapotny space

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

Look under a cowl of the 4-cylinder petrol engine

Look under a cowl of the 6-cylinder petrol engine

1 — the Accumulator (under a cover) 2 — Maslonalivnoye an engine opening 3 — the Tank of brake liquid 4 — Maslomerny щуп the engine (orange)	5 — the Broad tank of system of cooling 6 — the Refueling tank of a stekloomyvatel 7 — the Tank of liquid of the power steering (a green cover)

Look under a cowl of the 4-cylinder diesel engine

1 — the Accumulator (under a cover) 2 — Maslonalivnoye an engine opening 3 — the Tank of brake liquid 4 — Maslomerny щуп the engine (orange)	5 — the Broad tank of system of cooling 6 — the Refueling tank of a stekloomyvatel 7 — the Tank of liquid of the power steering (a green cover)

Look under a cowl of the 6-cylinder diesel engine

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.

Cowl closing