Mitsubishi S4S - Page 29

2. Tightening Torques
2.1 Important Bolts and Nuts
MAINTENANCE 8TANDARD8
Thread Width
Tightening Torque
Description
Dia. x Pitch
across flats,
Remark
(M-thread) mm
N·m
kgf-rn
IbHt
Cylinder head
M12 x 1.75
19 113 to 123
11.5 ta 12.5
83 ta 90
Rocker cover M8 x 1.25
12
10.0 to 13.0 1.0 ta 1.3
7.23 to 9.40
Rocker shaft brackets M8 x 1.25
12
10.0 ro 20.0 1.0 to 2.0 7.23 ta 14.5
Main bearing caps
M14x2 22
98 to 108
10.0 to 11.0 72 ta 80
Connecting rod caps
MlO x 1.25
14
49.0 ta 59.0 5.0 to 6.0 36.2 ta 43.4
Flywheel M12x 1.25
17 78.5 ta 88.3
8.0 ta 9.0 57.9 to 65.1
Camshaft thrust plate
M8 x 1.25
12 10.0 to 13.0 1.0 ta 1.3 7.23 ta
9.40
Front plate
M8 x 1.25
12 10.0 ta 13.0
1.0 to 1.3 7.23 to
9.40
Timing gear case M8 x 1.25
12 10.0 ta 13.0
1.0 to 1.3 7.23 to 9.40
Crankshaft pulley
M30 x 1.5
46 480 to 500
49 ro 51 354 to 369
Idler gear thrust plate
MlO x 1.25
14 29.0 to 39.0
3.0 to 4.0 21.7 ta 28.9
Oil pan
M8 x 1.25
12 10.0 to 13.0 1.0 ta 1.3 7.23 ro
9.40 Press product
Cast oil pan
Oil pan
M8 x 1.25
12 27.5 ta 33.4 2.8 to 3.4 20.3 to 24.6 for agricul-
tural tractor
Rear plate MlO x 1.25 14 54.0 ta 65.7 5.5 ta 6.7 39.8 to 48.5
Agricultural
tractor use
Oil pan drain plug
M14 x 1.5
22 34.0 ta 44.0
3.5 to 4.5
25.3 to 32.5
M20x 1.5
24 73.0 to 83.0 7.5 to 8.5
54.2 to 61.5
Fuel injection nozzle
M8 x 1.25
12 21.0 ta 23.0
2.0 ta 2.4 14.5 to 17.4
glands (direct injection type)
Fuel injection nozzles
M20x 1.5
21 53.0 to 64.7
5.4 ta 6.6 39.1 ta 47.7
(swirl chamber type)
Fuel injection pump
22 34.0 to 39.0
3.5 to 4.0 25.3 ta 28.9
delivery valve holders
Fuel leak-off pipe nut
M12 x 1.5
17 20.6 to 24.5
2.1 ta 2.5 15.2 ta 18.1
Fuel injection pump gear
M14 x 1.5
22 76.5 to 86.3
7.8 ta 8.8
56.4 to 63.7
(distribution type)
Fuel injection pump gear
(in-line, swirl chamber type) M12 x 1.75 19 58.8 ta 68.6 6.0 ta 7.0 43.4 ta 50.6
(in-line, direct injection type)
M14 x 1.5
22 83.4 to 98.0 8.5 to 10.0 61.5 ta 72.3
Glow plug
(swirl chamber type)
MlO x 1.25
12
15.0 to 20.0 1.5 to 2.0 10.8 ta 14.5
(direct injection type) M12 x 1.25 12 20.0 to 30.0 2.0 ta 3.0 14.5 to 21.7
(terminal)
M4xO.7
8
1.0 ta 1.5 0.10 ta 0.15 0.72 ta 1.08
Exhaust manifold
(balt only) M8 x 1.25
12 27.5 to 33.3
2.8 ta 3.4 20.3 to 24.6
(with spacer) M8 x 1.25
12 15.0 to 22.0
1.5 ta 2.2
10.8 to 15.9
Oil pressure relief valve M22 x 1.5
27
44.1 ta 53.9 4.5 to 5.5
32.5
to 39.8
Safety valve ar blind plug M18 x2 24 64.0 to 74.0 6.5 to 7.5 47.0 to 54.2
Coolant drain plug 1/4 - 18NPTF 14 35.3 to 43.1
3.6 to 4.4
26.0 ta 31.8
Fuel injection pipe nuts
M12 x 1.5
19 26.5 to 32.4 2.7 to 3.3 19.5 ta 23.9
Fuel return pipe nuts
MlO x 1.25
14 17.7 ta 21.6
1.8 to 2.2 13.0 ta 15.9
Oil pump gear
MlO x 1.25 14 28.0 ta 38.0 2.9 ta 3.9 21.0 to 28.2
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