12. Service Standards
12.4 Tightening Torques for Main Bolts and Nuts
Thread
Tightening
Lubricating
oil application
Reference
Tightening
position
diameter x pitch
torque
(threaded
portion, and
page
(mm)
Nm (kgfom)
bearing seat surface)
Cylinder
4TNE94*98
Ml1 xl.25
102.9 - 112.7
Necessary
4-4
head bolt
(10.5 - 11.5)
4TNElO6
(T)
M13x
1.5
181.4-
191.2
(18.5 - 19.5)
Connecting
4TNE94.98
MlOx
1.0
53.9 - 58.8
Necessary
4-l 8
rod bolt
(5.5 - 6.0)
4TNE106 (T)
Ml1 x 1.0
78.5 - 83.4
(8.0 - 8.5)
Flywheel set bolt
M14x
1.5
186.3 - 205.9
Necessary
4-13
(19-21)
Bearing cap/
4TNE94*98
1
Ml1 xl.25
/
107.9 - 117.7
/
Necessary
/
4-19
set bolt
j
(ll.O-
12.0)
/
I
4TNElO6
(T)
Ml4x
1.5
186.3 - 205.9
(19-21)
Crankshaft
pulley set bolt
Fuel valve set bolt
Ml4x
1.5
M6 x 1 .o
107.9 - 127.5
(11 - 13)
6.9 - 8.8
(0.7 - 0.9)
Necessary
Unnecessary
4-12
-
Fuel pump drive gear set nut
Ml4x
1.5
83.4 - 93.2
(8.5 - 9.5)
Unnecessary
4-12
12-7