2-22 PERIODIC MAINTENANCE
If oil pressure is lower or higher than specification, the follow-
ing causes may be considered.
(See page 7-62 for oil passage locations)
Low oil pressure
• Clogged oil filter
• Leakage from oil passages
• Defective oil pump
• Defective oil pressure
regulator
• Damaged O-ring
• Combination of above items.
OIL PRESSURE
Oil pressure ( at normal operating temp. ):
400 – 500 kPa (4.0 – 5.0 kg / cm
2
, 57 – 71 psi.)
at 3000 r/min.
NOTE:
The figure shown above is a guideline only, not an absolute
service limit.
High oil pressure
• Using an engine oil of too
high viscosity
• Clogged oil passage
• Clogged oil pressure
regulator
• Combination of above items
TEST PROCEDURE
(1) Check the engine oil level.
(2) Loosen screw and disconnect blue / yellow lead wire from
switch.
(3) Remove oil pressure switch 1.
(4) Install the oil pressure gauge in oil pressure switch hole.
[ 09915-77310 : Oil pressure gauge
09915-78211 : Oil pressure gauge adapter
To Next Page
Loading...
