Ford F150 Pickup. Instruction - part 628

Fig. 130: Removing Differential Side Gears & Thrust Washers 
Courtesy of FORD MOTOR CO. 

Assembly 

1. Position the differential side gear thrust washers on the differential side gears. 

z

Use SAE 75W-140 High Performance Rear Axle Lubricant F1TZ-19580-B or equivalent meeting 
Ford specification WSL-M2C192-A to lubricate the differential side gear thrust washers and the 
differential side gear journals.  

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 9.75-inch - F150 Pickup

  

Fig. 131: Positioning Differential Side Gear Thrust Washers On Differential Side Gears 
Courtesy of FORD MOTOR CO. 

2. Position the differential side gears. 

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 9.75-inch - F150 Pickup

  

Fig. 132: Positioning Differential Side Gears 
Courtesy of FORD MOTOR CO. 

3. Assemble the differential pinion thrust washers (4230) and the differential pinion gears (4215). 

z

Lubricate with SAE 75W-140 High Performance Rear Axle Lubricant F1TZ-19580-B or equivalent 
meeting Ford specification WSL-M2C192-A. 

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 9.75-inch - F150 Pickup

  

Fig. 133: Assembling Differential Pinion Thrust Washers & Pinion Gears 
Courtesy of FORD MOTOR CO. 

4. Engage the differential pinion gears opposite the differential side gears. 

 

2003 Ford Pickup F150 

2003 DRIVELINE/AXLES Rear Drive Axle/Differential - Ford 9.75-inch - F150 Pickup