2-2
Lubrication
Troubleshooting
Low oil pressure
Oil level low
Pressure relief valve stuck open
Plugged oil pick-up screen
Oil pump worm
External oil leaks
High oil pressure
Pressure relief valve stuck closed
Plugged oil filter, gallery, or metering orifice
In correct oil being used
No oil pressure
Oil level low
Oil pump drive gear broken
Oil pump faulty
Internal oil leakage