Lubrication System

Page

TROUBLESHOOTING LU-2

OIL PRESSURE CHECK LU-2

REPLACEMENT OF ENGINE OIL AND OIL FILTER LU-3

OIL PUMP LU-4

OIL PRESSURE REGULATOR

(For Lash Adjuster Valve) LU-9

TROUBLESHOOTING

Problem

Possible cause

Remedy

Page

Oil leakage

Cylinder head cylinder block or oil pump body damaged or cracked

Oil seal faulty

Gasket faulty

Replace as necessary Replace oil seal Replace gasket

LU-4

Relief valve faulty

Oil pump faulty

Engine oil poor quality

Crankshaft bearing faulty

Connecting rod bearing faulty

Replace as necessary Replace relief valve Replace oil pump Replace engine oil Replace bearing Roplace bearing

LU-4 LU-4 LU-3

High oil pressure

Oil filter clogged Relief valve faulty

Replace oil filter Replace reliof valve

LU-3 LU 4

OIL PRESSURE CHECK

CHECK OIL QUALITY

Check the oil for deterioration, entry of water, discoloring or thinning.

If the quality is poor, change the oil.

Use API grade SF or SF/CC multigrade, fuel-efficient and recommended viscosity oil.

CHECK OIL LEVEL

The oil level should be between the L and F marks on the level gauge. If low, check for leakage and add oil up to the F mark.

REMOVE OIL PRESSURE SWITCH OR SENDER GAUGE INSTALL OIL PRESSURE GAUGE START ENGINE

Start engine and warm it up to normal operating temperature.

MEASURE OIL PRESSURE

Oil pressure:

At Idle speed More than 0.3 kg/cm2 (4.3 psl. 29 kPa)

NOTE: Check for oil leakage after reinstalling the oil pressure switch or sender gauge.

Recommended Viscosity (SAE)

IRX'

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