F-7
Lubrication
GENERAL
The maintenance of the oil pump and engine oil can be done with the engine install in the frame.
When removing and install the oil pump, use care not to allow dust or dirt to enter the engine and oil
line.
SPECIFICATION
ITEM STANDARD mm (in) SERVICE LIMT mm (in)
Rotor tip clearance 0.15 (0.006) 0.20 (0.008)
Body clearance 0.15-0.20 (0.006-0.008) 0.25 (0.010)
Oil pump
Rotor end clearance 0.04-0.09 (0.002-0.004) 0.12 (0.005)
TORQUE VALUES
Oil drain plug 20-25 N.m (15-18 ft-lb)
Oil filter screen cap 18-22 N.m (13-16 ft-lb)
Transmission oil check bolt 10-15 N.m (7-11 ft-lb)
Transmission oil drain bolt 10-15 N.m (7-11 ft-lb)
Troubleshooting
Oil level too low
◦ External oil leaks
◦ Worn valve guide or seal
◦ Worn piston rings
Oil contamination
◦ Oil not changed often enough
◦ Head gasket faulty
◦ worn piston rings
Low oil pressure
◦ Oil level too low
◦ Clogged oil filter, oil passage, and or oil pipe
◦ Faulty oil pump
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