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

WARNING: This page is about a different car, the 2011 Ford Pickup and 2011 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

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 top half of the differential case.

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

Fig 1: Exploded View Of Differential Side Gear, Clutch Friction Discs And Clutch Plates

Courtesy of FORD MOTOR CO.

PARTS DESCRIPTION CHART

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)

Place the differential pinion shaft and differential pinion gears in the case top half.
NOTE: Power-Lok® shown in illustration,Trac-Lok® similar.

NOTE: Align the index marks made during disassembly.

Fig 2: Locating Differential Pinion Shaft And Differential Pinion Gears Of Case Top Half.
Courtesy of FORD MOTOR CO.
Install the other differential pinion shaft and differential pinion gears in the flange half of the differential case.
NOTE: Align the index marks made during disassembly.

Fig 3: Locating Differential Pinion Shaft And Differential Pinion Gears
Courtesy of FORD MOTOR CO.
Assemble the differential case.
NOTE: Align the match marks made during disassembly.
- Place the top half of the differential case onto the flange half of the differential case assembly.
- Install the bolts. Turn each one in a few threads.
  NOTE: The bolts must be clean and dry.
- Tighten the bolts evenly and alternately.
  - Tighten to 129 Nm (95 lb-ft).
Fig 4: Locating Differential Case Bolt
Courtesy of FORD MOTOR CO.
Start 2 new ring gear 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.
NOTE: If removed, install the anti-lock speed sensor ring.

Fig 5: Locating Ring Gear Bolts
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.
Install the 10 new remaining ring gear bolts alternately and evenly.
- Tighten to 298 Nm (220 lb-ft).
Fig 7: Locating Ring Gear Bolts
Courtesy of FORD MOTOR CO.
Install the differential carrier. For additional information, refer to DIFFERENTIAL CARRIER .