Cylinder Block - Alfa Romeo 159 Training Material

ENGINE

Cylinder block

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1. Oil filter housing
2. Crankshaft shaft speed sensor
3. Oil pressure switch
4. Knock sensors
5. Cylinder block
6. Bottom plate
FUNCTION: In addition to containing the cylinder liners, the cylinder block supports the mobile parts of the engine
(pistons, connecting rods, crankshaft, camshaft, etc.), the inserted fixed elements (cylinder head, oil sump, timing
box) and the auxiliary organs (alternator, starter motor, climate control compressor, etc.).
MATERIAL: Made entirely of aluminium alloy in two parts (the cylinder block itself and the bottom plate).
FEATURES:
- Dry inserted liners.
- Integrated balancing countershafts.
- Ventilation, lubrication and cooling conduits built into crankcase.
- Integrated oil filter housing.
- Main caps fully integrated in bottom plate to stiffen the crankshaft journal system.
MAINTENANCE: The cylinder block and bottom plate must be replaced at the same time. The liner inserts in the
cylinder block cannot be replaced.
Traccia Didattica Alfa 159-en-ridotta
ALFA 159 TRAINING MATERIAL
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