Suzuki 2000 Grand Vitara SQ625 Service Manual page 245

ENGINE LUBRICATION
The oil pump is of a trochoid type, and mounted on
crankshaft at crankshaft pulley side.
Oil is drawn up through oil pump strainer and passed
through pump to oil filter.
The filtered oil flows into two paths in cylinder block.
In one path, oil reaches crankshaft journal bearings.
Oil from crankshaft journal bearings is supplied to
connecting rod bearings by means of intersecting
passages drilled in crankshaft, and then injected from
a small hole provided on big end of connecting rod to
lubricate piston, rings, and cylinder wall.
ENGINE MECHANICAL (G16 ENGINE) 6A1-3
In another path, oil goes up to cylinder head and lubri-
cates camshaft journals, rocker arms, camshaft, etc.,
passing through oil gallery in rocker arm shaft.
An oil relief valve is provided on oil pump. This valve
starts relieving oil pressure when the pressure comes
over about 400 kPa (4.0 kg/cm
oil drains back to oil pan.
2
, 56.9 psi). Relieved