Tightening Torques Table; Major Bolts And Nuts - Mitsubishi diesel engines Service Manual

SERVICE STANDARDS

2. Tightening Torques Table

2.1 Major Bolts and Nuts

Fittings
Engine proper
Cylinder head bolt
Rocker cover bolt
Rocker shaft bracket bolt
Thrust plate bolt
Main bearing cap bolt
Connecting rod cap nut
Flywheel bolt
Crankshaft pulley nut
Rear plate mounting bolt
Fuel system
Hollow screw
(fuel injection pump)
Delivery valve holder
(fuel injection pump)
Air bleeder plug
(fuel injection pump)
Nozzle retaining nut
Nozzle holder
Fuel injection pipe nut
Fuel leak-off pipe nut
Sliding sleeve shaft
Torque spring set special nut
Oil system
Oil relief valve
Oil pan drain plug
Oil filter
Oil pressure switch
Oil pan mounting bolt
Oil strainer nut
Cooling system
Thermoswitch
Thermostat cover bolt
Thermo case bolt
Inlet and exhaust systems
Inlet cover bolt
Exhaust manifold bolt
Electrical system
Starter terminal B
Stop solenoid fixing nut
Stop solenoid blind plug
Glow plug
1 - 16
Thread
diameter
• ~ pitch
(mm)
M10• ~ 1.75 83.4 to 93.2
M8• ~ 1.25 9.81 to 12.7
M8• ~ 1.25 9.81 to 19.6
M8• ~ 1.25 9.8 to 11.8
M10• ~ 1.25 49.0 to 53.9
M9• ~ 1.0 32.4 to 37.3
M12• ~ 1.25 127 to 137
147 to 196
M18• ~ 1.5
53.9 to 73.5
M12• ~ 1.25
M14• ~ 1.5 19.6 to 24.5
• \ 39.2 to 49.0
M8• ~ 1.25 9.81 to 13.7
M16• ~ 0.75 34.3 to 39.2
IDI
IDI 49.0 to 58.8
M20• ~ 1.5
24.5 to 34.3
M12• ~ 1.5
M12• ~ 1.5 20.6 to 24.5
M10• ~ 1.25 29.4 to 41.2
M12• ~ 1.0 14.7 to 24.5
M22• ~ 1.5 44.1 to 53.9
M14• ~ 1.5 34.3 to 44.1
M20• ~ 1.5 10.8 to 12.7
PT1/8 7.85 to 11.8
M8• ~ 1.25 9.80 to 12.7
M16• ~ 1.5 24.5 to 29.4
M16• ~ 1.5 18.6 to 26.5
M8• ~ 1.25
M16• ~ 1.5 39.2 to 49.0
M8• ~ 1.25 14.7 to 21.6
M8• ~ 1.25 14.7 to 21.6
M8• ~ 1.25 9.81 to 11.8
M30• ~ 1.5 39.2 to 49.0
M30• ~ 1.5 39.2 to 49.0
M10• ~ 1.25 14.7 to 19.6
Tightening torque
N¥ m kgf¥ m
8.5 to 9.5
1.0 to 1.3
1.0 to 2.0
1.0 to 1.2
5.0 to 5.5
3.3 to 3.8
13.0 to 14.0
15.0 to 20.0
5.5 to 7.5
2.0 to 2.5
4.0 to 5.0
1.0 to 1.4
3.5 to 4.0
5.0 to 6.0
2.5 to 3.5
2.1 to 2.5
3.0 to 4.2
1.5 to 2.5
4.5 to 5.5
3.5 to 4.5
1.1 to 1.3
0.8 to 1.2
1.0 to 1.3
2.5 to 3.0
1.9 to 2.7
16 to 20 1.6 to 2.0
4.0 to 5.0
1.5 to 2.2
1.5 to 2.2
1.0 to 1.2
4.0 to 5.0
4.0 to 5.0
1.5 to 2.0
Remarks
lbf¥ ft
61.5 to 68.7
7.2 to 9.4
7.2 to 14.5
7.2 to 8.7
36.2 to 39.8
23.9 to 27.5
94.0 to 101.3
108.5 to 144.6
39.8 to 54.2 Equivalent to 7T
14.5 to 18.1
28.9 to 36.1
7.2 to 10.1
25.3 to 28.9
36.2 to 43.4
18.1 to 25.3
15.2 to 18.1
21.7 to 30.4
10.8 to 18.1
32.5 to 39.8
25.3 to 32.5
8.0 to 9.4
5.8 to 8.7
7.2 to 9.4 Equivalent to 4T
18.1 to 21.7
13.7 to 19.6
11.8 to 14.8
28.9 to 36.1
10.8 to 15.9
10.8 to 15.9
7.2 to 8.7
28.9 to 36.1
28.9 to 36.1
10.8 to 14.5