Ford F150 Pickup. Instruction - part 566

Fig. 61: Setting Up Special Tool 
Courtesy of FORD MOTOR CO. 

2. Tighten the special tool to seat the pinion bearing cups into their bores. 

 

2003 Ford Pickup F150 

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

  

Fig. 62: Tightening Special Tool 
Courtesy of FORD MOTOR CO. 

Setting Pinion Depth 

CAUTION: Whenever new cups are installed, new pinion bearings must also be 

installed.

NOTE:

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

 

2003 Ford Pickup F150 

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

  

Fig. 63: Ensuring Cups Are Correctly Seated In Bores 
Courtesy of FORD MOTOR CO. 

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

NOTE:

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

 

2003 Ford Pickup F150 

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

  

Fig. 64: Assembling & Positioning Special Tools 
Courtesy of FORD MOTOR CO. 

4. Assemble and position the special tools. 

 

2003 Ford Pickup F150 

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