Differential Case and Ring Gear - Traction-Lok®: Assembly

WARNING: This page is about a different car, the 2008 Ford Pickup and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: After assembly, make sure that the side gear splines engage the clutch pack splines and the differential side gear is fully seated.

Assemble and install the side gear, the rear axle disc and plate kit in the flange half of the differential case. Assemble and install the side gear, the rear axle disc and plate kit in the button half of the differential case.

Item	Part Number	Description
1	4236	Differential side gear
2	-	Preload spacer (part of 4880)
3	-	Dished clutch disc (part of 4880)
4	-	Clutch friction disc (part of 4880)

Fig 1: Exploded View Of Rear Axle Disc And Plate Kit

Courtesy of FORD MOTOR CO.

NOTE: Align the index marks made during disassembly.

Place the differential pinion shaft and differential pinion gears in the button half of the differential case.

Fig 2: Differential Pinion Shaft & Differential Pinion Gears In Button Half

Courtesy of FORD MOTOR CO.

NOTE: Align the index marks made during disassembly.

Install the other differential pinion shaft and differential pinion gears in the flange half of the differential case.

Fig 3: Differential Pinion Shaft & Differential Pinion Gears In Flange Half

Courtesy of FORD MOTOR CO.

NOTE: Align the match marks made during disassembly.

Assemble the differential case.
- Place the button half of the differential case onto the flange half of the differential case assembly.
- Install the bolts. Turn each one in a few threads.
- Tighten the bolts evenly and alternately.
  - Tighten to 129 Nm (95 lb-ft).

Fig 4: Differential Case Bolts

Courtesy of FORD MOTOR CO.

NOTE: Apply threadlock to the 2 new differential ring gear bolts.

NOTE: If removed, install the anti-lock speed sensor ring.

Start 2 bolts through the differential case flange, the anti-lock sensor ring and into the differential ring gear to make sure the differential ring gear and the differential case align.

Fig 5: Identifying Bolts In Differential Case Flange, Anti-Lock Sensor Ring & Differential Ring Gear

Courtesy of FORD MOTOR CO.

Press the anti-lock speed sensor ring and differential ring gear on the differential carrier. The differential carrier flange acts as a pilot for the anti-lock speed sensor ring.

Fig 6: Pressing Anti-Lock Speed Sensor Ring

Courtesy of FORD MOTOR CO.

Apply threadlock and install the 10 remaining bolts alternately and evenly.
- Tighten to 298 Nm (220 lb-ft).

Fig 7: Identifying Ring Gear Bolts

Courtesy of FORD MOTOR CO.

Install the differential carrier. For additional information, refer to Differential Carrier .