WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

If removed, install the rear axle housing support insulator. For additional information, refer to REAR AXLE HOUSING SUPPORT INSULATOR in this article .

Fig 1: Installing Rear Axle Housing Support Insulator
Courtesy of FORD MOTOR CO.

CAUTION: Always install a new differential pinion shaft roll pin.

If disassembled, assemble the differential case as follows:
1. Install the differential side gears and differential side gear thrust washers.
2. Install the differential pinion gears and differential pinion gear thrust washers.
3. Install the differential pinion shaft.
4. Install the differential pinion shaft roll pin so the top of the roll pin is flush with the differential case.
Using the special tool, install the differential drive pinion bearing cup(s).
- Position the bearing cup(s) on the special tool.
- Position the special tool and the bearing cup(s) in the differential housing.
- Tighten the special tool to fully seat the bearing cup(s) in the bore(s).
Fig 2: Seating Bearing Cup In Bore
Courtesy of FORD MOTOR CO.
Install the differential pinion bearings and special tools as shown.

Fig 3: Installing Differential Pinion Bearings And Special Tools
Courtesy of FORD MOTOR CO.

NOTE: This step duplicates differential pinion bearing preload.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Axle Assembly: Assembly

Use the Manual With the Right Hardware

When to See a Mechanic

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