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. 

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

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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