Lubrication Description

Lubrication Description





The oil distribution in the LA3 and LY9 engines is as follows:
^ Suction from the crankcase via the oil intake pipe to the oil pump.
^ Oil pump to the engine oil cooler.
^ Engine oil cooler to the oil filter.
^ Oil filter to the following:
- Main bearings 2, 3 and 4
- Oil pressure regulating valve and the main bearing 1
- Oil ventilation nozzles in the cylinder heads
^ Oil return galleys to crankcase.