Ford F150 Pickup. Instruction — part 464

Fig. 31: Measuring Pinion Rotation Torque
Courtesy of FORD MOTOR CO.

6. Index-mark the axle universal joint flange to the pinion stem.

2003 Ford Pickup F150

2003 DRIVELINE/AXLES Front Drive Axle/Differential - Ford 8.8-Inch - F150 Pickup

Fig. 32: Axle Universal Joint Flange To Pinion Stem Index-Marks
Courtesy of FORD MOTOR CO.

7. Install the special tool, and loosen, but do not remove the pinion nut.

2003 Ford Pickup F150

2003 DRIVELINE/AXLES Front Drive Axle/Differential - Ford 8.8-Inch - F150 Pickup

Fig. 33: Installing Special Tool
Courtesy of FORD MOTOR CO.

CAUTION: Before proceeding, place a drain pan under the differential carrier

(3A412).

2003 Ford Pickup F150

2003 DRIVELINE/AXLES Front Drive Axle/Differential - Ford 8.8-Inch - F150 Pickup

Fig. 34: Separating Axle Universal Joint Flange From Pinion Gear
Courtesy of FORD MOTOR CO.

8. With the pinion nut still engaged by a few threads, use the special tool to separate the axle universal joint

flange from the pinion gear (3N175).

9. Remove the nut and the flange.

10. Inspect the axle universal joint flange for burrs, the nut counterbore and the seal contact surface for nicks,

and the bearing cone contact area for damage. Install a new flange if necessary.

11. Check the pinion stem splines for burrs. If burrs are evident, remove them with a fine crocus cloth.

Working in a rotating motion, wipe the pinion clean.

Installation

1. Lubricate the axle universal joint flange splines and the pinion seal (3N134).

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Use Motorcraft SAE 75W-90 Premium 4x4 Front Axle Lubricant XY-75W90-TQL or equivalent
meeting Ford specification WSP-M2C201-A.

CAUTION: Never install the axle universal joint flange with a hammer or power

2003 Ford Pickup F150

2003 DRIVELINE/AXLES Front Drive Axle/Differential - Ford 8.8-Inch - F150 Pickup