APPENDIX B – TORQUES 451
Table 88 Fuel System Special Torques
Bolt, M8 x 20
29 N·m (21 lbf·ft)
Drain valve
0.5-1N·m(5-10lbf·in)
Elbow jam nut
88 N·m (65 lbf·ft)
End plug assembly (AWA) or attenuator 204 N·m (150 lbf·ft)
Fitting assembly, 3/8 tube 27 N·m (20 lbf·ft)
Fuel bowl
39 N·m (29 lbf·ft)
Fuel drain plug
24 N·m (18 lbf·ft)
Fuel fitting 27 N·m (20 lbf·ft)
Fuel filter header mounting bolts, M8 x 100 27 N·m (20 lbf·ft)
Fuel filter housing cover 25 N·m (18 lbf·ft)
Fuel pressure regulator
1-1.7 N·m (10-15 lbf·in)
Fuel valve assembly (air bleed and pressure test port) 15 N·m (132 lbf·in)
High-pressure oil hose fitting, M18 (at head) 54 N·m (40 lbf·ft)
High-pressureoilhose(swivelnuts) 46N·m(34lbf·ft)
High-pressure oil manifold bolts, M8 x 90 27 N·m (20 lbf·ft)
High-pressure oil pump assembly bolts
30 N·m (22 lbf·ft)
High-pressure oil pump assembly (gea
r)
231-279 N·m (170-205 lbf·ft)
Injector hold down clamp assembly
41 N·m (30 lbf·ft)
IPR valve assembly
50 N·m (37 lbf·ft)
Low-pressure fuel supply pump b
olts, M6 x 16
15-18 N·m (132-160 lbf·in)
Low-pressure fuel pump tube coupling nuts 18 N·m (155 lbf·in)
Plug assembly, M12 (intake manifold fuel rail) 24 N·m (18 lbf·ft)
Post
8N·m(72lbf·in)
Self tapping screw 5 N·m (41 lbf·in)
Water In Fuel (WIF) sensor 1.7 N·m (15 lbf·in)
Table 89 Flywheel and Flyw
heel Housing Special Torques
Engine mounting bracket bolts
108 N·m (80 lbf·ft)
Flexplate mounting bolts
136 N·m (100 lbf·ft)
Flywheel housing mounting bolts
108 N·m (80 lbf·ft)
Flywheel mounting bolts
136 N·m (100 lbf·ft)
Rear engine mounting bracket bolts
108 N·m (80 lbf·ft)
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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