Audi 100/A6

1990-1997 of release

Repair and car operation

Audi 100/A6
+ 1. The maintenance instruction
+ 2. Maintenance service
+ 3. Engines
+ 3.2. Diesel engines
- 3.3. Removal and a partition of engines
   + 3.3.2. Technical characteristics
   3.3.3. Repair work, possible without engine dismantle
   + 3.3.4. Major repairs
   3.3.5. Removal and engine installation
   3.3.6. An engine partition
   + 3.3.7. A head of cylinders
   3.3.8. Pistons and rods
   + 3.3.9. A cranked shaft
   3.3.10. An intermediate shaft
   3.3.11. The block of cylinders
   3.3.12. Radical bearings and bearings of rods
   3.3.13. Piston rings
   3.3.14. The first start of the engine after a partition
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. An exhaust system
+ 8. Systems of start, ignition
+ 9. Transmission
+ 10. Brake system
+ 11. Suspension brackets, a steering
+ 12. A body
+ 13. An electric equipment
+ 14. A good advice


3.3.11. The block of cylinders


1. Disconnect from the block all external details and gauges. Unscrew oil jets of pistons.
2. Remove an ear for fastening of lifts.
3. Remove an arm of a support of the engine.
4. Remove the pump of a cooling liquid.
5. Remove a shaft of the cooling fan.
6. Remove a casing of fastening of the oil filter.
7. Remove a lining.
8. Remove an arm of the fuel pump.
9. Clean off all traces of hermetic.
10. Unscrew заглушки oil channels.
11. Clean and wash out oil apertures and channels warm water and dry them, having blown compressed air.

12. Clean carvings of bolts by means of taps of the necessary size.
13. Oil the block and twist new заглушки.


1. Examine the block on presence of cracks and corrosion or rust traces. Examine carvings of apertures of the block. At detection of defects, it is necessary to repair or replace the block whenever possible.
2. Examine cylinders.
3. Measure diameter of each cylinder in the top average and bottom its parts, in parallel an axis of a cranked shaft.

4. Measure diameter of each cylinder in the top average and bottom its parts, perpendicularly axes of a cranked shaft.
5. Конусность the cylinder it is calculated as a difference between top and bottom in diameters. Ovality – as a difference between parallel and perpendicular gaugings.
6. If the received results do not coincide with technical requirements, address to experts.