Ford F150 Pickup. Instruction - part 486

Fig. 121: Installing Pinion Seal 
Courtesy of FORD MOTOR CO. 

16. Lightly lubricate the pinion gear splines with Motorcraft SAE 75W-90 Premium 4x4 Front Axle 

Lubricant XY-75W90-TQL or equivalent meeting Ford specification WSP-M2C201-A.  

17. Position the pinion gear in the housing. 

 

2003 Ford Pickup F150 

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

  

Fig. 122: Positioning Pinion Gear In Housing 
Courtesy of FORD MOTOR CO. 

CAUTION: Never install the axle universal joint flange with a hammer.

NOTE:

Disregard the scribe marks if installing a new flange.

 

2003 Ford Pickup F150 

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

  

Fig. 123: Aligning Index-Marks 
Courtesy of FORD MOTOR CO. 

18. Align the index-marks and position the universal joint flange on the drive pinion.  

19. Using the special tool, install the axle universal joint flange. 

 

2003 Ford Pickup F150 

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

  

Fig. 124: Installing Axle Universal Joint Flange 
Courtesy of FORD MOTOR CO. 

20. Apply a small amount of lubricant to the washer side of the new pinion nut, and install the nut. 

 

2003 Ford Pickup F150 

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