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 systemInspection
1. INSPECT THERMOSTAT
HINT:
The thermostat is numbered with the valve opening temperature
is stamped on the thermostat.
(a) Immerse the thermostat in water and gradually heat the
water.
(b) Check the valve opening temperature.
Valve opening temperature: 80 to 84 C (176 to 183 F)
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