Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
2. The engine
3. Transmission
4. A running gear
5. The steering mechanism
6. Brake system
7. An onboard electric equipment
7.1. The general data
7.2. Power supplies system
7.2.1. The storage battery
7.2.2. Switching-off and connection of the storage battery in a motor compartment
7.2.3. Switching-off and connection of the storage battery in a luggage carrier
7.2.4. Removal and installation of the storage battery in a motor compartment
7.2.5. Removal and installation of the storage battery in a luggage carrier
7.2.6. Check of reliability of fastening АКБ
7.2.7. Accumulators with a magic eye
7.2.8. Measurement of pressure of rest
7.2.9. Check of level of electrolit – АКБ with stoppers
7.2.10. Check of density of electrolit in all sections – АКБ with stoppers
7.2.11. Pressure measurement under loading
7.2.12. Gymnastics of the storage battery
7.2.13. Strongly discharged АКБ
7.2.14. Fast gymnastics of accumulators
7.3. The generator
7.4. A starter
7.5. Relay blocks, sockets and safety locks
8. A body
9. Electric equipment schemes
 




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7.2.4. Removal and installation of the storage battery in a motor compartment

ATTENTION
On cars with system Telematik before switching-off АКБ activate an operating mode of the block of management Telematik.
For the cars equipped with a radio tape recorder / by radio navigating system with a protective code (only cars of other manufacturers), consider a protective code, if necessary request it.

Removal
Switch off ignition.
Extend a rubber lining of a cover of a water taking away box on an arrow.

Fig. 7.5. Removal of a cover of a water taking away box


Uncover a water taking away box 1 advance (fig. 7.5).

Fig. 7.6. A weight and plug AKB wire


Disconnect a wire of weight 1 from a negative pole of the accumulator and disconnect плюсовой a wire 2 from a positive pole of the accumulator (fig. 7.6).
Unscrew the screw with internal шестигранником 4 on fixing скобе 3 accumulators.

THE NOTE
On cars with an extension the screw with internal шестигранником 4 is necessary for unscrewing a key for screws with internal шестигранником with a spherical head.

Unscrew the screw with internal шестигранником until the spherical head of a key will not start to rub about an extension.
Leave the screw with internal шестигранником and fixing bracket on a place and incline the accumulator under fixing bracket.

Fig. 7.7. A corner central газоотвода


Pull out a corner central газоотвода (fig. 7.7).
Take the storage battery from a water taking away box.

ATTENTION
At recycling of accumulators necessarily observe instructions on recycling of accumulators and sulfuric acid.

Installation
Establish in return sequence.

THE NOTE
Installation of accumulators not demanding technical leaving under the standard TL82506 (since December, 1997) and VW75073 (since August, 2001) is supposed only.

Accumulators of the program of spare parts Audi have a basic lath-adapter for adaptation to a various lath of fastening. The information on presence and a way of use of a basic lath-adapter is resulted in the accumulator operation manual.

Fig. 7.8. Dredging of a basic lath


Establish the accumulator in a support so that the ledge of an arm of fastening has entered into dredging in a basic lath of case AKB 1 (fig. 7.8).
АКБ should not move more.

Fig. 7.9. Correctly established АКБ


АКБ it is established correctly if average cut of a basic lath of the battery coincides with a carving aperture in a support of the battery (arrow) (fig. 7.9).
Tighten fixing bracket 3 accumulators the screw with internal шестигранником 4 (fig. 7.6).

THE NOTE
The ledge in fixing скобе АКБ should enter into dredging on a basic lath of case AKB.

Connect plugs AKB at the switched off ignition and the disconnected electroconsumers in the following sequence.
First of all manually spread a polar tip 2 positive wires on a positive pole of the accumulator + and tighten a nut.
Manually spread a polar tip of 1 wire of weight on a negative pole of the accumulator – and tighten a nut.
Insert a hose central газоотвода, observe instructions.
After installation check up reliability of fastening АКБ.

THE NOTE
If АКБ it is connected repeatedly, it is necessary to take care of activating the devices entering into a complete set of the car (a radio tape recorder, radio navigating system, hours, electric glass lifts) according to the operation manual.

Деактивируйте an operating mode of the block of management Telematik.
Check up functioning of remote radio management, if necessary, synchronise a radio code.
After repeated connection of power supplies alarm lamp ESP dies away only through some metres of movement.

The inhaling moments
The screw to fixing скобе АКБ: 12 Нм.
The storage plug to a polar conclusion: 7,5 Нм.


7.2.3. Switching-off and connection of the storage battery in a luggage carrier

7.2.5. Removal and installation of the storage battery in a luggage carrier