Ford F150 Pickup. Instruction — part 546

9. Remove the differential pinion gears and differential pinion thrust washers.

Fig. 164: Removing Differential Pinion Gears
Courtesy of FORD MOTOR CO.

10. Remove the differential side gears and differential clutch packs, and tag them RIGHT and LEFT with the

shim.

2003 Ford Pickup F150

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

Fig. 165: Removing Differential Side Gears
Courtesy of FORD MOTOR CO.

CAUTION: When separating the clutch plates and clutch discs, note the

sequence in which they are disassembled. They must be
reassembled in the same sequence.

CAUTION: Do not use acids or solvents when cleaning the differential clutch

pack. Wipe components with a clean, lint-free cloth only.

2003 Ford Pickup F150

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

Fig. 166: Separating Differential Clutch Discs & Clutch Plates
Courtesy of FORD MOTOR CO.

11. Separate the differential clutch discs and clutch plates for cleaning and inspection. For additional

2003 Ford Pickup F150

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

information, refer to the disassembled view of the limited slip differential case in DESCRIPTION AND
OPERATION .

Assembly

1. Prelubricate each steel clutch plate and soak all friction plates with additive friction modifier for at least

15 minutes.

Fig. 167: Identifying Belleville Spring
Courtesy of FORD MOTOR CO.

NOTE:

Do not mix the differential clutch packs or shims from one side with the
other.

NOTE:

The Belleville spring is a dished plate.

2003 Ford Pickup F150

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