For 1990-2009 cars only
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. |
