Ford Mustang (1999-2004) Service Manual: Removal
1. Remove the differential assembly from the differential housing. For additional information, refer to Differential Case in this section.
2. CAUTION: Record the torque necessary to maintain rotation of the drive pinion gear through several revolutions prior to removing the pinion flange (4851).
Remove the pinion flange. For additional information, refer to Drive Pinion Flange and Drive Pinion Seal in this section.
3. Force the rear axle drive pinion seal metal flange up. Install gripping pliers and strike with a hammer to remove the seal.

4. Remove the rear axle drive pinion shaft oil slinger (4670).

5. Using the special tool and a soft-faced hammer, drive the pinion assembly out of the outer differential pinion bearing (4621) and remove the drive pinion through the rear of the differential housing (4010).

6. Remove the outer differential pinion bearing.
7. Remove and discard the collapsible spacer (4662).

8. Using the special tool and a suitable press, remove the inner differential pinion bearing (4630).

9. NOTE: Do not remove the pinion bearing cups from the differential housing unless the cups are damaged.
Using the special tools, remove the outer differential drive pinion bearing cup (4616).

10. Using the special tools, remove the inner rear axle pinion bearing cup (4628).

Drive Pinion
Special Tool(s)
Adapter for 205-S127
205-105 (T76P-4020-A3)
Adapter for 205-S127
205-109 (T76P-4020-A9)
Adapter for 205-S127
205-110 (T76P-4020-A10)
Adapter fo ...
Installation
Using special tool 205-024
NOTE: This is the preferred method for installing the pinion bearing
cups. If necessary, proceed to
Using special tools 205-153, 205-024, 205-231, and 205-D055 in this proc ...
Other materials:
Air filter check
WARNING: To reduce the risk of vehicle damage and or
personal burn injuries, do not start your engine with the air
cleaner removed and do not remove it while the engine is running.
Note: Failure to use the correct air filter element may result in
severe
engin ...
Wheel Studs
Removal
1. Remove the wheel hub (1104). For additional information, refer to Wheel
Hub and Bearing in
this section.
2. Using a press, remove the wheel stud (1107) from the wheel hub.
Installation
1. Using a press, install a new wheel stud.
2. Install the w ...
Drive Pinion Flange and Drive Pinion Seal
Special Tool(s)
2-Jaw Puller
205-D072 (D97L-4221-A) or
equivalent
Holding Fixture, Drive Pinion
Flange
205-126 (T78P-4851-A)
Installer, Drive Pinion Flange
205-002 (TOOL-4858-E) or
equivalent
...
