Ford F150 Pickup. Manual - part 586

Fig. 141: Installing Differential Pinion Gears 
Courtesy of FORD MOTOR CO. 

5. Rotate the differential pinion gear to align with the differential pinion shaft bore. 

 

2003 Ford Pickup F150 

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

  

Fig. 142: Rotating Differential Pinion Gears 
Courtesy of FORD MOTOR CO. 

6. Insert the differential pinion shaft. 

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Align the hole in the differential pinion shaft with the hole in the differential case. 

 

2003 Ford Pickup F150 

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

  

Fig. 143: Installing Differential Pinion Shaft 
Courtesy of FORD MOTOR CO. 

NOTE:

If a new pinion shaft lock bolt is unavailable, coat the threads with 
threadlock prior to installation.

 

2003 Ford Pickup F150 

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

  

Fig. 144: Installing Differential Pinion Shaft Lock Bolt 
Courtesy of FORD MOTOR CO. 

7. Install a new differential pinion shaft lock bolt and tighten finger-tight.  

8. Using the special tool, install the new differential bearings on the differential case. 

 

2003 Ford Pickup F150 

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