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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Audi A6 (1997 release)

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Audi A6
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A6
General Information
Operation of the vehicle
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Ignition, fuel injection and exhaust of gasoline engines
Fuel Injection System
Overview
Safety requirements and warnings
Specifications
Employment engine management system
Checking the fuel injection system
Fuel tank
Fuel tank wheel drive vehicle
The fuel pump and fuel level sensor
The accelerator cable
Ignition system
Exhaust
The power supply system, and preheating the exhaust gases of diesel engines
Lubrication System
Cooling system
Coupling
Transmission
The front wheel drive shafts
Design features four-wheel drive transmission
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Fuel tank wheel drive vehicle



Withdrawal
Remove the rear seat cushion.
Remove the cover to the right under the rear seat cushion.
Disconnect the 4-pin electrical connector.
Remove the center and rear mufflers.

Fuel tank wheel-drive vehicles
Fig. 4.10. Fuel tank wheel drive vehicles: 1 - a bolt, M8h28 23 Nm; 2 - lock thermofilter; 3 - Mounting plate; 4 - a tube of return of fuel; 5 - supply pipe fuel vapor to the absorber; 6 - the fuel supply pipe from the fuel filter to the fuel line; 7 - bolt 2 Nm; 8 - thermofilter; 9 - bolt M8h28 23 Nm; 10 - overflow hose; 11 - a lock ring; 12 - a sealing ring; 13 - filler cap; 14 - Rubber cuff; 15 - wire connection with "weight"; 16 - bolt M8h28 23 Nm; 17 - toplivonalivnaya neck to expansion tank; 18 - the fuel tank; 19 - thermofilter fuel tank


Remove thermofilter toplivonalivnoy neck 17 (Fig. 4.10) on the right side of the rear muffler.
Remove the rear axle.
Remove protection arch rear right wheel.
Clean the area around the top of the toplivonalivnoy neck.
Remove the cover and acting as a lever blade screwdriver, remove the rubber sleeve from the top of toplivonalivnoy neck.
From under the arches of the rear right wheel bolts, remove the upper part of the neck toplivonalivnoy.

A WARNING
The fuel system is pressurized. Before releasing elements of the fuel system to relieve pressure in the system. To do this, close the connection point of the fuel system and a clean cloth, being careful, gently loosen the union nut.


Location of fuel hoses (3), the fuel return (2) and the ventilation (3)
Fig. 4.11. Location of fuel hoses (3), the fuel return (2) and the ventilation (3)


Sign the fuel hose 3 (Fig. 4.11), the fuel return hose and breather hose 2 1 and disconnect them.
Place the jack under the fuel tank to the base plate and lift the jack so that the weight of the fuel tank perceived jack.

Location of bolts fastening tapes fuel tank (1-8) and the mounting plate (9)
Fig. 4.12. Location of bolts fastening tapes fuel tank (1-8) and the mounting plate (9)


Note the location of the tape fastening the fuel tank, remove the bolts 1-8 (Fig. 4.12) and remove the tape.
With assistant lower the fuel tank with the mounting plate, at the same time, be careful not to bend the fuel tubes.

Setting
Installation is spent to sequences, return to removal, taking into account the following.
Make sure that the hoses are connected properly and securely attached with clamps.
When installing the new replace all O-rings.

Designated connecting wire with "weight"
Fig. 4.13. Designated connecting wire with "weight"


Connect the connection with "weight" (Fig. 4.13).
Make sure that the wire is connected to "weight" is connected to the ring on the neck toplivonalivnoy.
Under the arch rear right wheel screw bolt of the upper part of the neck with toplivonalivnoy "mass" contact.

A WARNING
Once installed, using an ohmmeter, check the resistance between the "weight" on toplivonalivnoy neck ring and the metal part of the body, which should be close to 0.


Attaching the fuel hose, fuel return and tank vent on the front right side of the fuel tank
Fig. 4.8. Attaching the fuel hose, fuel return and tank vent on the front right side of the fuel tank


Make sure that the fuel hoses, fuel return and ventilation tank mounted on the front right side of the fuel tank (see. Fig. 4.8).
Fit the rear right wheel arch.
Install the rear axle.
Install the center and rear mufflers and check that they have been set free, stress-free, with a sufficient gap relative to the vehicle.
Connect a wire of "weight" to the battery.
Turn on the radio and enter the code.
Lift up the power window glass until it stops. Then click on all window switches again for at least 1, in the closed position of the control unit to activate windows.
Set the clock.
After separation of the various electrical connections in the memory control unit writes error information to be erased after installation.
Start up the engine and check the tightness of supply.




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The fuel pump and fuel level sensor

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