ENGINE
E. TIGHTENING TORQUES
NOTE :
• For *marked screw, bolts and nuts on the table, apply engine oil to their threads and seats before
tightening.
• The letter “M” in Size x Pitch means that the screw, bolt or nut dimension stands for metric.
The size is the nominal outside diameter in mm of the threads. The pitch is the nominal distance
in mm between two threads.
Item
Size*Pitch
kgf•m
N•m
ft-lbs
Cylinder head screws
M11*1.25
10.5~11.0
103.0 to 107.9
75.9 to 79.6
Head cover nuts
M10*1.25
0.7~0.9
6.9 to 8.8
5.1 to 6.5
* Bearing case screw 1
M9*1.25
4.7~5.2
46.1 to 51.0
34.0 to 37.6
* Bearing case screw 2
M10*1.25
7.0~7.5
69.7 to 73.6
50.6 to 54.2
* Flywheel screw
M12*1.25
10.0~11.0
98.1 to 107.9
72.3 to 79.6
* Connecting rod screws
M8*1.0
4.7~5.2
46.1 to 51.0
34.0 to 37.6
Rocker arm bracket studs
M10*1.25
4.9~5.7
48.1 to 55.9
35.4 to 41.2
Drain plug
M12*1.25
3.3~3.8
32.4 to 37.3
23.9 to 37.3
Glow plugs
M10v1.25
2.0~2.5
19.6 to 24.5
14.5 to 18.1
Oil switch
PT 1/8
1.5~2.0
14.7 to 19.6
10.8 to 14.5
Nozzle locating screws
M20*1.5
5.0~7.0
49.1 to 68.7
36.2 to 50.6
Injection pipe nuts
M12*1.5
2.5~3.5
24.5 to 34.3
18.1 to 25.3
