Ford F150 Pickup. Manual - part 629

Fig. 134: Engaging Differential Pinion Gears Opposite Differential Side Gears 
Courtesy of FORD MOTOR CO. 

5. Install the differential bearings, using the special tool. 

 

2003 Ford Pickup F150 

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

  

Fig. 135: Installing Differential Bearings 
Courtesy of FORD MOTOR CO. 

6. Rotate the differential pinion gears to align the differential pinion shaft bore. 

 

2003 Ford Pickup F150 

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

  

Fig. 136: Aligning Differential Pinion Shaft Bore 
Courtesy of FORD MOTOR CO. 

7. Insert the differential pinion shaft, and install a new differential pinion shaft lock bolt finger-tight. 

 

2003 Ford Pickup F150 

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

  

Fig. 137: Inserting Differential Pinion Shaft Lock Bolt 
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