Mitsubishi S6R Series

2-20
Chapter 2 SERVICE DATA
2.4 Tightening Torque Spec for Cooling System
2.5 Tightening Torque Spec for Inlet and Exhaust System
Description
Dia x Pitch
(M-thread)
Tightening torque
Remarks
N·m kgf·m lbf·ft
Water pump
Pump M 12 × 1.25 59 ± 5.9 6 ± 0.6 43.52 ± 4.35
Pump shaft pulley (nut) M 24 × 1.5 245 ± 12.3 25 ± 1.25 180.70 ± 9.07 For alternator driving
Pipe - 22.5 ± 2.25 2.29 ± 0.23 16.59 ± 1.66 R 1/4
Water pump for
air cooler cooling
Pump shaft pulley (nut) M 20 × 1.5 112 ± 4.9 11.5 ± 0.5 82.61 ± 3.61
Pipe - 22.5 ± 2.25 2.29 ± 0.23 16.59 ± 1.66
Water pump for
sea water pump
Pump M 10 × 1.25 18.6 ± 2.95 1.9 ± 0.3 13.72 ± 2.18
Pump shaft pulley (nut) M 24 × 2.0 220 ± 10 22.4 ± 1.0 162.26 ± 7.38
Fan drive
Camshaft gear (front) M 24 × 1.5 176 ± 8.8 17.9 ± 0.9 129.81 ± 6.49
Drive shaft gear (nut) M 30 × 1.5 392 ± 19.6 40 ± 2.0 289.12 ± 14.46
Plate fan M 12 × 1.25 108 ± 10.8 11 ± 1.1 79.66 ± 7.97
Description
Dia x Pitch
(M-thread)
Tightening torque
Remarks
N·m kgf·m lbf·ft
Mounting nut for turbocharger M 12 × 1.25 108 ± 5.4 11 ± 0.55 79.66 ± 7.97
Exhaust pipe V clamp 1/4-28 UNF 9 ± 0.45 0.9 ± 0.04 11.80 ± 1.48
Air cooler M 12 × 1.25 108 ± 10.8 11 ± 1.1 79.66 ± 7.97
Air cooler cover M 8 × 1.25 16 ± 2 1.6 ± 0.2 11.80 ± 1.48
Air cooler element M 10 × 1.5 49 ± 5 5 ± 0.5 36.14 ± 3.69