Ford Mustang (1999-2004) Service Manual: Differential Housing Cover
Removal
1. Raise and support the vehicle.
2. NOTE: Empty the lubricant into a clean container for reuse.
Remove the differential housing cover (4033).
1. Remove the 10 bolts and drain the lubricant from the differential housing (4010).
2. Remove the differential housing cover.

Installation
1. CAUTION: Make sure the machined surfaces on both the differential housing and the differential housing cover are clean and free of oil before applying the new silicone sealant. To prevent contamination, cover the inside of the rear axle (4001) prior to cleaning the machined surface.
Clean the differential housing and the differential housing cover gasket mating surfaces.
2. CAUTION: Install the differential housing cover within 15 minutes of applying the silicone, or it will be necessary to remove and reapply new sealant.
Apply a continuous bead of sealant of the specified thickness to the differential housing cover.
- Use Clear Silicone Rubber F7AZ-19554-CA or equivalent meeting Ford specifications ESB-M4G92-A.

3. NOTE: If possible, allow one hour before filling the axle with lubricant to make sure the silicone sealant has cured.
Install the differential housing cover.
1. Install the differential housing cover.
2. Install the 10 bolts.

4. NOTE: In-vehicle repair refill capacities are determined by filling the rear axle with the specified lubricant to 6.4-14.3-mm (1/4-9/16-in) below the bottom of the fill hole.
Fill the rear axle to the level shown, approximately 1.54-1.66-liters (3.25-3.50-pints) of lubricant, and install the filler plug.
- Use SAE 80W-90 Premium Rear Axle Lubricant XY-80W90-QL or equivalent meeting Ford specification WSP-M2C197-A.

5. Lower the vehicle.
Installation
1. Inspect the pinion flange seal journal for rust, nicks, and scratches
prior to installing the flange.
Polish the seal journal with fine crocus cloth, if necessary.
2. Lubricate the pinion flange ...
Axle Housing Bushing
Special Tool(s)
Axle Suspension Bushing Set
204-S030 (T78P-5638-A)
Removal
CAUTION: Suspension fasteners are critical parts because they affect
performance of vital
components and sys ...
Other materials:
Crankshaft - Connecting Rod Journal Taper, Out of Round
1. Measure the crankshaft connecting rod journal diameters in two
directions perpendicular to one
another at each end of the connecting rod journal. The difference in the
measurements from
one end to the other is the taper. Verify measurement is within t ...
Piston - Pin Diameter
1. Measure the piston pin diameter in two directions at the points shown.
Verify the diameter is
within specification.
Refer to the appropriate section in Group for the procedure.
If out of specification, install new components as necessary. Refer
...
Removal
1. Disconnect the battery ground cable. For additional information, refer
to Section.
2. Raise and support the vehicle. For additional information, refer to
Section.
3. Place a drain pan under the transmission fluid pan.
4. Drain transmission fluid.
...
