Ford F150 Pickup. Instruction — part 637

Fig. 165: Installing Differential Pinion Shaft Lock Bolt
Courtesy of FORD MOTOR CO.

14. Install new differential bearings, if removed.

2003 Ford Pickup F150

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 9.75-inch - F150 Pickup

Fig. 166: Installing Differential Bearings
Courtesy of FORD MOTOR CO.

15. Check the torque required to rotate one differential side gear.

z

Install the special tools with the 1/2-inch drive hole as shown.

z

The initial break-away torque, if original clutch plates are used, must be within specification. The
rotating torque required to keep the differential side gear turning with new clutch plates may vary.

2003 Ford Pickup F150

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 9.75-inch - F150 Pickup

Fig. 167: Checking Rotating Torque
Courtesy of FORD MOTOR CO.

CAUTION: If equipped, 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 9.75-inch - F150 Pickup

Fig. 168: Installing Differential Ring Gear Aligning Notches
Courtesy of FORD MOTOR CO.

2003 Ford Pickup F150

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 9.75-inch - F150 Pickup