Section 05-03C: Wheel Hubs and Bearings, Front Wheels, 4-Wheel Drive
1997 F-250 Heavy Duty and F-350 Workshop Manual
SPECIFICATIONS

SPECIFICATIONS

Lubricant/Adhesive/Cleaner Specifications
DescriptionPart NumberFord Specification
4x4 Gear OilF1TZ-19580-AWSL-M2C191-A
High Temperature 4x4 Front Axle and Wheel Bearing GreaseE8TZ-19590-AESA-M1C198-A
Axle LubricantC6AZ-19580-EESW-M2C105-A

Wheel Torque Specifications
DescriptionNmLb-Ft
8-Lug Wheel, 9/16-18170-230126-170

Note: Torque specifications are for clean, dirt- and paint-free, dry bolt and nut threads. Never use oil or grease on studs or nuts.

Wheel Hub Specifications
DescriptionSpecifications
Front Disc Brake Hub and Rotor End Play0.00-0.50 mm
(0.000-0.002 Inch)
Torque to Rotate the Front Disc Brake Hub and Rotor2.3 Nm
(20 Lb-In) Maximum

Torque Specifications
DescriptionNmLb-FtLb-In
Torx® Head Capscrews4-6—35-53
Retaining Nuts, Front Wheel Spindle-to-Knuckle68-8150-60—
Wheel Retainer (Bearing Adjusting Nut) — Automatic Hublock68a50a—
Inner Lock Nut, Front Wheel Bearing — Manual Hub Lock68b50b—
Outer Lock Nut, Front Wheel Bearing — Manual Hub Lock217-278160-205—
a After tightening to specified torqued, back lock nut off 90 degrees (1/4 turn) and torque 1.8 Nm (16 lb-in).
b After tightening to specified torque, back lock nut off 90 degrees (1/4 turn).