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

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Audi A6
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Audi
A6
General Information
Operation of the vehicle
Maintenance
Engines
Four-cylinder petrol engines
Six-cylinder petrol engines
Diesel engines 1.9 l
Diesel engines 2.5 l
Overview
Control parameters of the engine parts
Tightening torques of the main threaded connections
Removing and installing engine
Ribbed Belts
Toothed belt
The oil pan, front and rear engine cover
Crankshaft
Intake manifold
Cylinder heads
Gas distribution
Ignition, fuel injection and exhaust of gasoline engines
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
Suspension
Wheels and tires
Steering
Brakes
Body
Heating and air conditioning
Electrical
Electric schemes
 


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Intake manifold



The front section of the intake manifold
Switch off the ignition and disconnect a wire of "weight" from the storage battery.

Location screws engine cover
Fig. 3.4.1. Location screws engine cover


Remove the screws and remove the engine cover (see. Fig. 3.4.1).
Disconnect vacuum hose control flap, if any.
Disconnect the hose from the air intake flap and pull the hoses to the side.

Location bolts of the front section of the intake manifold
Fig. 3.4.40. Location bolts of the front section of the intake manifold


Unscrew and remove the bolts from the intake manifold front section (Fig. 3.4.40).
Installation is performed in reverse order of removal.

The left section of the intake manifold
Remove the front section of the intake manifold.

Location bolts thermofilter of turbocharger
Fig. 3.4.4. Location bolts thermofilter of turbocharger


Unscrew the bolts and remove thermofilter of turbocharger (see. Fig. 3.4.4).
Mark and disconnect fuel tubes from injectors.
Release and move the wiring harness from the left section of the intake manifold.

Location bolts left section of the intake manifold
Fig. 3.4.41. Location bolts left section of the intake manifold


Unscrew the bolts and remove the left-hand section of the intake manifold (Fig. 3.4.41).
Installation is performed in reverse order of removal.

The right-hand section of the intake manifold
Remove the front section of the intake manifold.
Disconnect the vacuum hoses from the turbocharger and the mechanical valve EGR hoses and swing to the side.
Mark and disconnect fuel tubes from injectors.
Free fuel lines and take them away from the right-hand section of the intake manifold.

Location bolts right section of the intake manifold
Fig. 3.4.42. Location bolts right section of the intake manifold


Remove the screws and remove the right section of the intake manifold (Fig. 3.4.42).
Installation is performed in reverse order of removal.




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Cylinder heads

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