Audi 100/A6

1990-1997 of release

Repair and car operation

Audi 100/A6
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
- 3.2. Diesel engines
   + Technical characteristics
   - 3.2.2. 5-cylinder engines Technical characteristics Sinkhronizatsionnye of a gazoraspredeleniye label Compression check Gas-distributing belt Driving belt of the fuel pump Natyazhitel of a gas-distributing belt and asterisk Additional driving belt Camshaft cover Camshaft epiploons Epiploons of a cranked shaft Head of cylinders Hydraulic pushers Flywheel Engine fastenings Oil pallet Oil pump and maslozaborny branch pipe
+ 3.3. Removal and partition of engines
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. Exhaust system
+ 8. Systems of start, ignition
+ 9. Transmission
+ 10. Brake system
+ 11. Suspension brackets, steering
+ 12. Body
+ 13. Electric equipment
+ 14. Good advice

ff85f19c Head of cylinders


Identification openings of laying of a head of cylinders (AAT)

Adjusting probes (AAT)

1. Disconnect a wire of the minus plug of the accumulator.
2. Remove plastic covers.
3. Unscrew nuts.
4. Uncover.
5. Merge engine oil and cooling liquid.
6. Disconnect all hoses from a head.
7. Remove an additional driving belt.
8. Remove a natyazhitel of a gas-distributing belt and a camshaft asterisk.
9. Unscrew short bolts.
10. Unscrew long bolts.
11. Uncover a gas-distributing belt.
12. Uncover a camshaft and a driving belt of the fuel pump.
13. Disconnect fuel tubes from injectors.
14. Disconnect from a head all wires disturbing to its removal.
15. Remove a turbonagnetatel, disconnect an exhaust pipe from a turbonagnetatel.
16. Disconnect an exhaust pipe from a final collector.
17. Remove inlet and final collectors.
18. Unscrew bolts.
19. Disconnect ventilating hoses.
20. Remove the vacuum pump of brake system.
21. Get the piston from a head of cylinders (AAT).
22. Remove a sealing ring.
23. Unscrew head bolts in sequence of return sequence of a tightening (see fig. Sequence of a tightening of bolts of a head of cylinders).
24. Remove a head (AAT).
25. Remove head laying.


1. Not to damage a natyazhitel of a belt of the fuel pump and a branch pipe of a hose of cooling liquid, it is recommended to remove them from a head.
2. Remove a natyazhitel (AAT).
3. Unscrew bolts.
4. Remove a branch pipe (AAT).
5. Carefully clean all surfaces and openings of elements of a head.


Label on the top part of laying (AAT)

Sequence of a tightening of bolts of a head of cylinders

Installation of a head is carried out upside-down removals, thus do not forget to establish new laying of a head and to replace old bolts.

1. Establish new laying of a head (AAT).
2. After installation of a head get adjusting probes.
3. Tighten bolts till the demanded moment of an inhaling.
4. Hold on bolts on a demanded corner.