AUDI S4 1998 B5 / 1.G Engine Manual

AUDI S4 1998 B5 / 1.G Engine Manual S4 1998 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/838/w960_838-0.png AUDI S4 1998 B5 / 1.G Engine Manual
Trending: water pump, ignition, gearbox, ESP, engine coolant, service, transmission

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AUDI S4 1998 B5 / 1.G Engine Manual  
Service. 
For internal use only
 
198 
All rights reserved. Subject 
to change.
AUDI AG
Dept.I/GS-5
D-85045 Ingolstadt
Fax +49.841/89-6367
740.2810.17.20
Technical status: 01/98
Printed in Germany

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AUDI S4 1998 B5 / 1.G Engine Manual  
2 
The 2.7-litre V6 biturbo ....... 
Turbocharged engines are already something 
of a tradition at AUDI. The task now facing 
AUDI’s engineers was to develop a worthy 
successor to the 5-cylinder

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AUDI S4 1998 B5 / 1.G Engine Manual  
3 
This Self-study Programme provides you with information 
regarding design and function.  
The Self-study Programme is not a Workshop Manual!   
Please refer to the Service Literature for all the

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AUDI S4 1998 B5 / 1.G Engine Manual  
4 
Engine 
The 2.7-litre V6 biturbo 
This engine will also be used in the Audi S4 
and Audi A6.
The engine used in the A6 has a comfort-
oriented setup, which means that it has 
different torque and

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AUDI S4 1998 B5 / 1.G Engine Manual  
5 
The technical data 
• 
Configuration: 
V6 engine with 90° V-angle and twin 
turbochargers 
• 
Engine code: 
S4: AGB
A6: AJK 
• 
Output: 
S4: 195 kW at 5800 rpm
A6: 169 kW at 5800 rpm 
•

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AUDI S4 1998 B5 / 1.G Engine Manual  
6 
Engine 
The crankshaft 
The crankshaft is identical to that used in the 
2.8-litre V6 engine.
The crankshaft bearing caps are attached to 
the central crankcase by 4 bolts. 
• 
The 4-bolt conne

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AUDI S4 1998 B5 / 1.G Engine Manual  
7 
Cylinder head 
The cylinder heads are largely identical to 
those used in the V6 naturally aspirated 
engine. Common parts are used for both banks 
of cylinders.
The mounting position of the righ

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AUDI S4 1998 B5 / 1.G Engine Manual  
8 
Engine 
The variable valve timing 
The camshaft timing has been modified 
compared to the 2.8-litre V6 engine to meet the 
demands of turbocharging technology.
Variable valve timing with an adju

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AUDI S4 1998 B5 / 1.G Engine Manual  
9 
SSP 198/03
 
Cooling circuit 
Both exhaust gas turbochargers are water-
cooled and integrated in the cooling circuit.
When the coolant thermostat is closed, the 
coolant flows back to the coolan

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AUDI S4 1998 B5 / 1.G Engine Manual  
10 
SSP 198/10
 
Engine 
Electrical coolant circulation pump V51 
Electrical coolant circulation pump V51 is 
located in the engine’s V angle.
If the coolant temperature is too high, 
thermoswitch
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Trending: cruise control, cooling, oil capacity, ESP, reset, torque, Fuse 34