Audi 100

1982-1990 of release

Repair and car operation

3.1. Four-cylinder engines

THE GENERAL DATA

The four-cylinder engine

1 – oil картер; 2 – a lining картера; 3 – the water pump; 4 – a bolt of fastening of the generator; 5 – шпонка; 6 – a sealing ring of the water pump; 7 – a lining of a head of the block of cylinders; 8 – a camshaft cogwheel; 9 – a lining of a cover of a head of the block; 10 – a lining; 11 – a cover of a head of the block; 12 – a stopper маслозаливной mouths; 13 – a clamping plate;

14 – a bolt of fastening of a head of the block; 15 – a head of the block of cylinders; 16 – an arm of fastening of the generator; 17 – the ignition distributor; 18 – a bolt of fastening of the distributor of ignition; 19 – the holder of the distributor of ignition; 20 – a sealing ring of the distributor of ignition; 21 – a filter lining; 22 – a cover of the oil filter; 23 – the oil filter; 24 – the fuel pump; 25 – a lining of the fuel pump

The four-cylinder engines established on cars Audi 100, have the pig-iron block of cylinders with the head of the block cast from an aluminium alloy. In a block head the camshaft which is resulted by a gear belt from a cranked shaft is located. The same belt results an intermediate shaft which in turn is a drive for the distributor of ignition, oil and fuel pumps.

Cranked shaft – steel shod five-basic. Average radical bearings can be with the flanges playing a role of persistent rings, or without flanges, but with persistent rings. Pistons are cast from an aluminium alloy with steel inserts. On the piston two are established компрессионных and one маслосъемное rings.

Valves are put in action from a camshaft through pushers, and since September, 1985 establish hydraulic pushers. Directing plugs of valves are made of a special brass and запрессованы in a head of the block of cylinders.

The engine is equipped шестеренчатым by the oil pump established in картере, and полнопоточным the oil filter on a left-hand side of the block of cylinders.