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:
Air Conditioning (A/C) System Check - Retail Procedure
NOTE: This Retail Procedure is not eligible for claiming on Ford
paid repairs (warranty and ESP).
NOTE: The engine should be run at idle for 10 minutes with the air
conditioning on and set to MAX A/C
before carrying out this retail procedure.
NOTE: Re ...
Supercharger Cooling System Flushing
1. WARNING: Never remove the pressure relief cap while the engine is
operating or
when the cooling system is hot. Failure to follow these instructions can result
in damage
to the cooling system or engine or personal injury. To avoid having scalding hot
cool ...
Pinpoint Test O: DTC B1870 - Air Bag Indicator Shorted to Battery
Normal Operation
The air bag indicator is designed to illuminate for 6 (+/-2) seconds
when the ignition switch is turned to
the RUN position. This initial 6 seconds of illumination is considered
normal operation and is called
proveout of the air ba ...
