Torque Specs

These torque specs were taken from International Harvester’s Service Manual for a late model Scout II. This is meant to be a general guideline. Actual values may vary depending on specific models, please double check values for your specific application.

General:

Lug Nuts90–110 ft⋅lbs
Body Bolts35–50 ft⋅lbs
Brake Hose Banjo Bolt24–27 ft⋅lbs
Driveshaft U-Bolts (5/16″, 24 thread)14–17 ft⋅lbs
Spark Plugs28–30 ft⋅lbs

Steering:

Manual Steering Box to Frame 1/2″ NC45–50 ft⋅lbs
Manual Steering Box to Bracket 1/2″ NC60–80 ft⋅lbs
Manual Steering Box to Frame 7/16″ NC35–40 ft⋅lbs
Power Steering Box to Frame60–70 ft⋅lbs
Pitman Arm to Steering Box Nut160–210 ft⋅lbs
Hose Connections20–30 ft⋅lbs
Tie-Rod Clamp Bolts10–14 ft⋅lbs
Steering Wheel to Steering Column Nut35-45 ft⋅lbs

Springs:

Shock Absorber Mounting Bolt Nuts45–50 ft⋅lbs
Spring U-Bolt Nuts (stock)65–80 ft⋅lbs
Spring Shackle and Mounting Bracket Bolt Nuts – tighten with body weight on springs75–85 ft⋅lbs

Front Axle:

Lower Ball Joint Nut80 ft⋅lbs
Upper Ball Joint Threaded Sleeve50 ft⋅lbs
Upper Ball Joint Nut – line up with cotter pin slot100 ft⋅lbs
Wheel Bearing Adjusting Nut – tighten, then back off 1/4 turn30 ft⋅lbs
Wheel Bearing Jam Nut125–150 ft⋅lbs
Hub Assembly Mounting Bolts32–40 ft⋅lbs
Front Differential Pinion Yoke Nut200–220 ft⋅lbs
Front Differential Ring Gear Bolts5–50 ft⋅lbs
Front Differential Bearing Cap Bolts35–50 ft⋅lbs
Front Differential Cover Plate15–25 ft⋅lbs

Rear Axle:

Rear Differential Pinion Yoke Nut175–225 ft⋅lbs
Rear Differential Ring Gear Bolts45–65 ft⋅lbs
Rear Differential Bearing Cap Bolts70–90 ft⋅lbs
Rear Differential Cover Plate15–25 ft⋅lbs
Rear Axle Shaft Flange Nuts15 ft⋅lbs 

Brakes:

Support Key Retaining Screw12-18 ft⋅lbs
Brake Hose Inlet Screw24-27 ft⋅lbs

Front Axle Brake Group Mounting Bolts with Conical Type Nuts:

1/2″ Bolts100-120 ft⋅lbs
5/8″ Bolts220-240 ft⋅lbs

Front and Rear Axle Brake Group Mounting Bolts with Regular Nuts:

7/16″ Bolts55-60 ft⋅lbs
1/2″ Bolts85-95 ft⋅lbs
9/16″ Bolts115-125 ft⋅lbs
5/8″ Bolts160-175 ft⋅lbs
3/4″ Bolts275-300 ft⋅lbs

*Tighten the brake group mounting bolts from the nut side.

Engine*:

*Below values based on threads lubricated with engine oil.

5/16-16 and 5/16-24 Bolts:

All locations except as listed14–16 ft⋅lbs
Oil Pump Mounting25–30 ft⋅lbs

3/8-16 and 3/8-24 Bolts:

All locations except as listed25–30 ft⋅lbs
Water Pump Mounting40–45 ft⋅lbs
Clamp, Water Pipe to Cylinder Head10–15 ft⋅lbs
Compressor Bracket to Cylinder Head40–45 ft⋅lbs
Oil Filter Base to Crankcase27–32 ft⋅lbs
Connecting Rod Bolts (V-304, V-304A, V-345)40–45 ft⋅lbs
Connecting Rod Bolts (V-392)40–45 ft⋅lbs
Flywheel to Crankshaft45–55 ft⋅lbs

7/16-14 and 7/16-20 Bolts:

All locations except as listed35–40 ft⋅lbs
Camshaft Gear to Camshaft55–65 ft⋅lbs

1/2-13 Bolts:

Cylinder Head Bolts90–110 ft⋅lbs
Main Bearing Cap Bolts75–85 ft⋅lbs
Engine Mounting Bracket70–80 ft⋅lbs
Stabilizer Bracket to Engine (where used)70–80 ft⋅lbs
Bell Housing Bolts to Engine (4 cyl. and V8)105 ft⋅lbs