Ford F150 Pickup. Instruction - part 524

Fig. 77: Driving Inner Pinion Bearing Cup Into Axle Housing 
Courtesy of FORD MOTOR CO. 

Setting Pinion Depth 

CAUTION: Whenever the cups are replaced, the differential pinion bearings 

must also be replaced.

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 10.25-inch - F150 Pickup

  

Fig. 78: Checking For Properly Seated Bearing Cup 
Courtesy of FORD MOTOR CO. 

5. Make sure the cups are correctly seated in their bores. 

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If a feeler gauge of the specification shown in the illustration can be inserted between a cup and the 
bottom of its bore at any point around the cup, the cup is not correctly seated.  

6. Assemble and position the Pinion Depth Gauge. 

1. Position the Adapter for 205-S156.  

2. Position the Drive Pinion Depth Gauge Aligner.  

3. Position the Drive Pinion Aligner.  

4. Position the Adapter for 205-S156.  

5. Position the inner pinion bearing.  

6. Position the outer pinion bearing.  

7. Thread on the Adapter for 205-S127 (Handle). 

NOTE:

Apply only a light oil film on the pinion bearings before assembling the 
tool.

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 10.25-inch - F150 Pickup

  

Fig. 79: Assembling Pinion Depth Gauge 
Courtesy of FORD MOTOR CO. 

7. Tighten the Handle. 

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 10.25-inch - F150 Pickup

  

Fig. 80: Identifying Pinion Depth Gauge Components 
Courtesy of FORD MOTOR CO. 

PINION DEPTH GAUGE COMPONENT IDENTIFICATION 

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 10.25-inch - F150 Pickup