Engine Lubrication System - Lubrication Circuit / Oil Pressure Check

LC-10flowchart

Lubrication circuit shown is for GA engines. The fuel pump cam feed (*) is for engines except GA16DE only.

NOTE

Lubrication Circuit

Oil strainer

drain

Oil pan

Oil pump

by-pass

Regulator valve

by-pass

Oil pressure relief valve

Oil filter

Main oil gallery

Orifice

Chain tensioner

Chain tensioner Timing chain

Cylinder head oil gallery

Main bearing

Crankshaft

Connecting rod bearing

Connecting rod

Oil jet

Piston pin, piston and cylinder wall

drain

Oil pan

NOTE

Legend: Oil passage; Oil gallery in cylinder block; By-pass passage; Drain. *: Except for GA16DE only.

WARNING

Be careful not to burn yourself, as the engine and oil may be hot. Oil pressure check should be done in "Neutral" gear position.