Ford F150 Pickup. Instruction — part 574

Fig. 93: Tightening Bearing Caps

2003 Ford Pickup F150

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 8.8-Inch Ring Gear - F150 Pickup

Courtesy of FORD MOTOR CO.

15. Measure the differential case runout without the ring gear, and check the case runout again with the new

differential bearings.

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If the runout is now less than the specification shown, use the new differential bearings for
assembly.

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If the runout is still excessive, the differential case is damaged and must be replaced.

Fig. 94: Measuring Differential Case Runout
Courtesy of FORD MOTOR CO.

Installation

CAUTION: Make sure that the notches on the case flange and the anti-lock

speed sensor ring are aligned.

2003 Ford Pickup F150

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 8.8-Inch Ring Gear - F150 Pickup

Fig. 95: Aligning Differential Case Flange Notch With Anti-Lock Speed Sensor Ring Notch
Courtesy of FORD MOTOR CO.

1. Press a new anti-lock speed sensor ring, if removed, and the ring gear on the differential case.

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Align the notch on the differential case flange with the notch on the anti-lock speed sensor ring.

2. Install the ring gear bolts.

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Apply stud and bearing mount to the ring gear bolts.

2003 Ford Pickup F150

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 8.8-Inch Ring Gear - F150 Pickup

Fig. 96: Tightening Ring Gear Bolts
Courtesy of FORD MOTOR CO.

3. With pinion depth set and the drive pinion installed, place the differential case in the rear axle housing.

2003 Ford Pickup F150

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 8.8-Inch Ring Gear - F150 Pickup