Removal and installation of the engine are carried out as indicated in the section "Petrol 8-valve engines".
Disassembly and assembly of the engine, since the 8-valve and 16-valve engines are basically the same in design, are carried out as described in the subsection "Gasoline 8-valve engines", with the exception of removing and installing the cylinder head.
Cylinder block (fig. 2-138) sleeveless, cast iron. In the lower part of the cylinder block there are five supports for the crankshaft main bearing shells. The main bearing caps are finally machined together with the block and therefore they are not interchangeable.
Fig. 2-138. Cylinder block parts:
1 — cylinder block;
2 - oil pan gasket;
3 - oil deflector shield;
4 — oil pan;
5 — oil drain plug;
6 — front crankshaft oil seal holder;
7 — crankshaft rear oil seal holder;
8 — upper clutch housing cover;
9 — lower clutch housing cover;
10 — clutch housing cover on vehicles with automatic transmission;
11 — oil dipstick tube.
The cylinder diameters are given in Table 2-21.
- Clearance between piston and cylinder for new parts, mm: 0.03.
- Maximum allowable gap (when worn out), no more than, mm: 0.08.
The diameter of the cylinder is measured in three belts in mutually perpendicular directions at a distance of 10 mm from the upper and lower ends of the cylinder and at half its height.
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