Datsun 1000 1200 A10 A12 Engine Service Manual
The four cylinder overhead valve engine has a cast iron alloy cylinder block and crankcase. The cylinder head is of cast aluminium alloy, with replaceable valve guides. Each valve has its individual port and is operated by a tappet, push rod and rocker arm from the camshaft.
Pistons are slipper skirt aluminium alloy type with two compression rings and one oil ring. The lower compression ring is taper faced and the oil ring comprises an upper and lower chrome faced steel segment with a spacer in between.
The gudgeon pin is an interference fit in the small end of the connecting rod and this is the only means of retaining the gudgeon pin in the assembly.
The crankshaft is counter balanced and runs in three (A 10) or five (A 12) steel backed copper lead split shell main bearings. Crankshaft end-float is taken at the centre main bearing.
Connecting rod big end bearings are split steel.backed copper lead replaceable shells.
Pistons are marked on the crown with a code number of the cylinder bore size, which must be to the front of the engine.
- COOLING SYSTEM
- FUEL SYSTEM
- MANUAL TRANSMIAAION
- AUTOMATIC TRANSMISSION
- REAR AXLE
- FRONY SUSPENSION
- BEAR SUSPENSION
- ELECTRICAL SYSTEM
- WHEELS AND TYRES
- LUBRICATION AND MAINTENANCE
- EMISSION CONTRIL SYSTEMS
- GLOSSARY OF TERMS
- ROAD TEST