Ford F150 Pickup. Instruction - part 600

Fig. 19: Installing Wheel Bearing Oil Seal 
Courtesy of FORD MOTOR CO. 

5. Install the axle shafts. For additional information, refer to AXLE SHAFT .  

DRIVE PINION FLANGE 

Special Tool(s) 

 

2003 Ford Pickup F150 

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

  

Fig. 20: Identifying Special Tool(s) 
Courtesy of FORD MOTOR CO. 

Removal 

1. Remove the rear brake discs and calipers. For additional information, refer to REAR BRAKE DISC and 

REAR DISC BRAKE CALIPER & PADS .  

2. Mark the driveshaft flange and pinion flange (4851) for correct alignment during installation. 

NOTE:

The rear wheels and brakes must be removed to prevent brake drag during 
drive pinion bearing preload adjustment.

 

2003 Ford Pickup F150 

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

  

Fig. 21: Index Marking Driveshaft Flange & Pinion Flange 
Courtesy of FORD MOTOR CO. 

3. Remove the four bolts. 

 

2003 Ford Pickup F150 

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

  

Fig. 22: Removing Driveshaft Flange Bolts 
Courtesy of FORD MOTOR CO. 

4. Using a suitable tool as shown, disconnect the driveshaft centering socket yoke from the rear axle pinion 

flange. 

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Position the driveshaft out of the way. 

CAUTION: The driveshaft centering socket yoke fits tightly on the rear axle 

pinion flange pilot. Never hammer on the driveshaft or any of its 
components to disconnect the yoke from the flange. Pry only in the 
area shown with a suitable tool to disconnect the yoke from the 
flange.

 

2003 Ford Pickup F150 

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