Ford F150 Pickup. Instruction - part 458

Fig. 7: Identifying Special Tool(s) 
Courtesy of FORD MOTOR CO. 

CAUTION: The fixture mounting bolts must have the minimum specified thread 

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Front Drive Axle/Differential - Ford 8.8-Inch - F150 Pickup

  

Fig. 8: Installing Special Tool 
Courtesy of FORD MOTOR CO. 

1. Install the special tool.  

2. Install the special tool. 

engagement in the carrier.

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Front Drive Axle/Differential - Ford 8.8-Inch - F150 Pickup

  

Fig. 9: Installing Special Tool 
Courtesy of FORD MOTOR CO. 

3. Rotate the differential and check the ring gear backface runout. 

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If the ring gear backface runout exceeds the specification, the cause may be a warped ring gear, 
differential bearing/case damage. To determine the cause, remove the Dial Indicator with 
Bracketry, and proceed as follows: 

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Front Drive Axle/Differential - Ford 8.8-Inch - F150 Pickup

  

Fig. 10: Checking Ring Gear Backface Runout 
Courtesy of FORD MOTOR CO. 

4. Remove the bearing caps. 

1. Remove the bolts.  

2. Remove the bearing caps.  

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Front Drive Axle/Differential - Ford 8.8-Inch - F150 Pickup