HOW TO DETERMINE BOLT STRENGTH

SPECIFIED TORQUE FOR STANDARD BOLTS

HOW TO DETERMINE NUT STRENGTH

*: Nut with 1 or more marks on one side surface of the nut.
HINT: Use the nut with the same number of the nut strength classification or the greater than the bolt strength classification number when tightening parts with a bolt and nut.
Example: Bolt = 4T
Nut = 4N or more
Engine control systemOverhaul
1. REMOVE OIL PUMP RELIEF VALVE
(a) Remove the plug, spring and relief valve.
2. INSPECT OIL PUMP RELIEF VALVE
(a) Apply a light coat of engine oil to the oil pump relief valve
(b) Check that the valve falls smoothly into the valve hole by
its own weight.
If it does not, replace the relief ...