Ford F150 Pickup. Instruction - part 561

Fig. 40: Identifying Special Tool(s) 
Courtesy of FORD MOTOR CO. 

Material 

Fig. 41: Material Specification 
Courtesy of FORD MOTOR CO. 

Removal 

1. Remove the pinion flange. For additional information, refer to DRIVE PINION FLANGE .  

2. Force up on the metal flange of the rear axle drive pinion seal. Install gripping pliers and strike with a 

hammer until the rear axle pinion seal is removed. 

 

2003 Ford Pickup F150 

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

  

Fig. 42: Removing Rear Axle Pinion Seal 
Courtesy of FORD MOTOR CO. 

Installation 

 

2003 Ford Pickup F150 

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

  

1. Lubricate the new rear axle drive pinion seal with grease. 

Fig. 43: Installing Rear Axle Drive Pinion Seal 
Courtesy of FORD MOTOR CO. 

2. Using the special tool, install the rear axle drive pinion seal.  

3. Install the pinion flange. For additional information, refer to DRIVE PINION FLANGE .  

DIFFERENTIAL HOUSING COVER 

Material 

CAUTION: If the rear axle drive pinion seal becomes misaligned during 

installation, remove the rear axle drive pinion seal and install a new 
seal.

 

2003 Ford Pickup F150 

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

  

Fig. 44: Material Specification 
Courtesy of FORD MOTOR CO. 

Removal 

1. Position the vehicle on a hoist. For additional information, refer to JACKING & HOISTING .  

2. Remove the differential housing cover. 

1. Remove the 10 differential housing cover bolts and drain the lubricant from the rear axle housing.  

2. Remove the differential housing cover. 

 

2003 Ford Pickup F150 

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