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Audi A4, S4
Introduction
Controls and receptions of safe operation
Current leaving and service
The engine
Systems of cooling, heating and the air conditioner
Power supply systems, release and decrease in toxicity of the fulfilled gases
Systems of an electric equipment of the engine
Manual box of a gear change
Automatic transmission
Coupling, power shafts and differential
Brake system
Suspension bracket and steering
Body
Onboard electric equipment







Current leaving and service

The given Chapter is made to help the mechanic-fan to support the car in a condition of peak efficiency of operational parametres, 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. Descriptions of visual checks, adjustments are included in Sections, replacements a component and other good advice. Separate a component illustrations with kinds 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 resulted more low, you receive the accurate program of the service, capable to provide long and reliable service of your car. Remember that this plan is settling, and performance of its separate points and neglect others will not give expected result.

Current leaving

In the course of service of the car you are soon convinced 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 the earth for chassis greasing, follows simultaneously while you are under the car, to examine system of release of the fulfilled gases, a suspension bracket, system of a steering and fuel system. If wheels are removed for carrying out of other works, there is a sense to check up brake mechanisms. And at last, suppose, that you had to borrow or hire dynamometer a key. Even if it is necessary to you only to tighten a spark plug, you can check up at the same time efforts of a tightening стольких critical nuts and bolts, on time how many will suffice.

The first step in performance of the program of maintenance service of the car is self-preparation. Attentively study materials of all Sections concerning 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 has already spent given work.

HUNDRED in addition, at each service, by means of the device for interrogation of memory of malfunctions read out the data from memory of malfunctions of electronic blocks of management of the engine, ABS, pillows of safety and anticreeping system. With that end in view it is recommended to address through certain time intervals on HUNDRED. Thus it is necessary to mean that some malfunctions, for example failed gauges of a control system of the engine, do not lead to appreciable decrease in characteristics of the car. Management blocks have a mode of emergency functioning or work on the average values of parametres brought in memory that cannot be revealed the driver. Interrogation of memory of malfunctions is carried out through a diagnostic socket. Service is spent according to certain term and car run.

Cowl of an impellent compartment

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

After engine deenergizing probably rotation of blades of the electrofan of a radiator within approximately 30 seconds.

The engine is equipped by 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 high voltage wire, tips of spark plugs, a control socket):

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

Cowl unlocking

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

 PERFORMANCE ORDER

  1. Pull in an arrow direction located under the panel of devices the handle. Thus the cowl will be pushed out from a lock effort of a spring. Simultaneously through a radiator lattice the unlocking uvula is outside put forward.

Cowl opening

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

 PERFORMANCE ORDER

  1. A little raise a cowl.
  1. Pull unlocking uvula in an arrow direction. Thus the cowl will be released from a hook-lovitelja keeping it.
  1. Open a cowl. The open cowl is kept in the top position gas by an emphasis.

Work in hood space

At carrying out of any sort of works in hood space extra care is required! Kinds under a cowl are resulted on сопр. Illustrations.

Kind under a cowl of the 4-cylinder petrol engine

1 — the Accumulator (under a cover)
2 — Maslonalivnoe an engine aperture
3 — the Tank of a brake liquid
4 — Maslomernyj probe the engine (orange)

5 — the Broad tank of system of cooling
6 — the Refueling tank washer
7 — the Tank of a liquid of the hydraulic booster of a wheel (a green cover)

Kind under a cowl of the 6-cylinder petrol engine

1 — the Accumulator (under a cover)
2 — Maslonalivnoe an engine aperture
3 — the Tank of a brake liquid
4 — Maslomernyj probe the engine (orange)

5 — the Broad tank of system of cooling
6 — the Refueling tank washer
7 — the Tank of a liquid of the hydraulic booster of a wheel (a green cover)

Kind under a cowl of the 4-cylinder diesel engine

1 — the Accumulator (under a cover)
2 — Maslonalivnoe an engine aperture
3 — the Tank of a brake liquid
4 — Maslomernyj probe the engine (orange)

5 — the Broad tank of system of cooling
6 — the Refueling tank washer
7 — the Tank of a liquid of the hydraulic booster of a wheel (a green cover)

Kind under a cowl of the 6-cylinder diesel engine

1 — the Accumulator (under a cover)
2 — Maslonalivnoe an engine aperture
3 — the Tank of a brake liquid
4 — Maslomernyj probe the engine (orange)

5 — the Broad tank of system of cooling
6 — the Refueling tank washer
7 — the Tank of a liquid of the hydraulic booster of a wheel (a green cover)

In order to avoid serious functional infringements watch to mixing operational liquids at refuelling of various systems by them!

The regular control of the bottom of the car promotes timely revealing of thinnesses. At detection of stains of oil or other operational liquids check up the car in a workshop.

Cowl closing

 PERFORMANCE ORDER

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












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