APPENDIX B – TORQUES 449
Table 82 Front Cover, Vibration Damper, Gerotor Oil Pump, F ront Engine Mount, and Gear Train
Special Torques
Automatic belt tensioner assembly
50 N·m (37 lbf·ft)
Damper retaining plate bolts
163 N·m (120 lbf·ft)
Retorque all bolts until no
movement
End cover adapter (PTO equipped engines only) 52 N·m (38 lbf·ft)
Fan drive, high-mount, Horton DriveMaster (20, 18.3 in.) 26 N·m (19 lbf·ft)
Fan drive, mid-mount, Horton DriveMaster (16.2 in.) 26 N·m (19 lbf·ft)
Fan drive, low-mount, Horton DriveMaster (12.2 in.) 26 N·m (19 lbf·ft)
Fan spacer retaining bolt, M10 x 20 (bolt-on drive only) 52 N·m (38 lbf·ft)
Front cover mounting bolts (rear half) 26 N·m (19 lbf·ft)
Front engine mounting bracket bolts (4) 386 N·m (284 lbf·ft)
Horton DriveMaster bearing retainer nut
177 N·m (130 lbf·ft)
Lower idler gear mounting bolt
639 N·m (470 lbf·ft)
Oil pump and rotor housing M8 bolts 25 N·m (18 lbf·ft)
Upper idler gear mounting bolt
326 N·m (240 lbf·ft)
Viscous or rubber vibration damper mounting bolts
54 N·m (40 lbf·ft)
Water outlet tube assembly at cylinder head
33 N·m (24 lbf·ft)
Water outlet tube assembly at front cover 33 N·m (24 lbf·ft)
Wear plate (water pump) 7 N·m (60 lbf·in)
Table 83 Oil Pan and Oil Suction Tube Special Torques
Oil pan drain plug 68 N·m (50 lbf·ft)
Oil heating element assembly (optional) 68 N·m (50 lbf·ft)
Oil pan heater plug 68 N·m (50 lbf·ft)
Oil pan mounting bolts 32 N·m (24 lbf·ft)
Oil suction tube bracket, M10 x 25 63 N·m (46 lbf·ft)
Oil suction tube, M8 x 35 27 N·m (20 lbf·ft)
Table 84 Power Cylinder Special Torque
Connecting rod bolts (verify connecting rod type) See Torque Procedures for
Connecting Rod with M12
Bolts (page241)orM11Bolts
(page241).
Piston cooling tube bol
ts, M6 x 12
13 N·m (115 lbf·in)
Piston cooling tube bolts, M6 x 16
13 N·m (115 lbf·in)
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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