Tightening Specifications

The content of this article reflects changes called for in TSB 26-06-98.

TORQUE SPECIFICATIONS 5.9L DIESEL ENGINE

DESCRIPTION TORQUE

Air Fuel Control
Fitting 8 Nm (72 in. lbs)
Battery Cable (Negative) to Block
Bolt 77 Nm (57 ft. lbs.)
Belt Tensioner Mounting
Bolt 43 Nm (32 ft. lbs.)
Block Heater Mounting
Bolt 12 Nm (108 in. lbs.)
Cab Heater Hose Clamp
Screw 4 Nm (35 in. lbs.)
Cab Heater Tubing Bracket
Bolt 9 Nm (84 in. lbs.)
Camshaft Thrust Plate
Bolts 24 Nm (18 ft. lbs.)
Clutch Cover to Flywheel
Bolts 23 Nm (17 ft. lbs.)
Connecting Rod Nuts
Step 1- Preliminary 35 Nm (26 ft. lbs.)
Step 2 - Secondary 70 Nm (51 ft. lbs.)
Step 3 - Final 100 Nm (73 ft. lbs.)
Cooling Fan to Fan Clutch
Bolts 20 Nm (15 ft. lbs.)
Crankshaft Main Bearing Bolts
Step 1 - Preliminary 60 Nm (45 ft. lbs.)
Step 2 - Secondary 90 Nm (60 ft. lbs.)
Step 3 - Final Additional 90°
Cylinder Head Bolts
Step 1 - (All Bolts) 90 Nm (66 ft. lbs.)
Step 2 - (Re-check All Bolts) 90 Nm (66 ft. lbs.)
Step 3 - (Long Bolts) 120 Nm (90 ft. lbs.)
Step 4 - (Re-check Long Bolts) 120 Nm (90 ft. lbs.)
Step 5 - (Rotate All) Additional 1/4 Turn (90°)
Exhaust Manifold
Bolts 43 Nm (32 ft. lbs.)
Fan Clutch Mounting to Fan Hub
Left Hand Thread 57 Nm (42 ft. lbs.)
Fan Hub Bracket
Bolts 24 Nm (18 ft. lbs.)
Fan Hub Bearing
Bolt 77 Nm (57 ft. lbs.)
Fan Pulley to Fan Hub
Bolts 9 Nm (84 in. lbs.)
Fan Shroud Mounting
Bolts 11 Nm (95 in. lbs.)
Flywheel
Bolts 137 Nm (101 ft. lbs.)
Flywheel Housing Adaptor
Bolts 77 Nm (57 ft. lbs.)
Generator Mounting
Bolts 41 Nm (30 ft. lbs.)
Generator Pulley
Nut 80 Nm (59 ft. lbs.)
Generator Support
Bolt 24 Nm (18 ft. lbs.)
Gear Cover
Bolts 24 Nm (18 ft. lbs.)
Gear Cover Housing
Bolts 24 Nm (18 ft. lbs.)
Intake Manifold Cover
Bolts 24 Nm (18 ft. lbs.)
Intercooler Attaching
Bolts 2 Nm (17 in. lbs.)
Intercooler Duct Clamp
Nuts 8 Nm (72 in. lbs.)
Lift Bracket (Rear)
Bolts 77 Nm (57 ft. lbs.)
Oil Cooler Assembly
Bolts 24 Nm (18 ft. lbs.).
Oil Fill Tube Bracket
Bolt 43 Nm (32 ft. lbs.)
Oil Filter
Gasket 3/4 Turn After Gasket Contact
Oil Pan
Bolts 24 Nm (18 ft. lbs.)
Oil Pan Drain Plug
Plug 60 Nm (44 ft. lbs.)
Oil Pressure Regulator
Plug 80 Nm (60 ft. lbs.)
Oil Pressure Sender/Switch
Sender/Switch 16 Nm (144 ft. lbs.)
Oil Pump Mounting
Bolts 24 Nm (18 ft. lbs.)
Oil Suction Tube (Flange)
Bolts 24 Nm (18 ft. lbs.)
Oil Suction Tube (Brace)
Bolt 24 Nm (18 ft. lbs.)
Oil Supply to Vacuum Pump
Fitting 10 Nm (89 in. lbs.)
Rear Mount - Support Cushion to Crossmember
Bolts 47 Nm (35 ft. lbs.)
Rear Mount - Support Cushion to Support Bracket
Nuts 47 Nm (35 ft. lbs.)
Rear Mount - Support Bracket to Transmission
Bolts 102 Nm (75 ft. lbs.)
Rear Support Plate to Transfer Case
Bolts 41 Nm (30 ft. lbs.)
Rocker Arm
Bolts 24 Nm (18 ft. lbs.)
Starter Mounting
Bolts 68 Nm (50 ft. lbs.)
Tappet Cover With Breather Tube 24 N.m (17 ft. lbs.)
Torque Converter Drive Plate
Bolts 47 Nm (35 ft. lbs.)
Transfer Case to Insulator Mounting Plate
Nuts 204 Nm (150 ft. lbs.)
Transmission Support Bracket - (2wd)
Bolts 68 Nm (50 ft. lbs.)
Transmission Support Spacer - (4wd)
Bolts 68 Nm (50 ft. lbs.)
Transmission Support Spacer to Insulator Mounting Plate - (4wd)
Bolts 204 Nm (150 ft. lbs.)
Vacuum Pump to Adaptor
Nuts 24 Nm (18 ft. lbs.)
Vacuum Pump Adaptor to P/S Pump
Nuts 24 Nm (18 ft. lbs.)
Vacuum Pump Assy. to Gear Cover
Bolts 77 Nm (57 ft. lbs.)
Vacuum Pump Oil Supply Line
Fitting 10 Nm (89 in. lbs.)
Vibration Damper
Bolts 125 Nm (92 ft. lbs.)
Water Pump
Bolts 24 Nm (18 ft. lbs.)