Drive Pinion: Removal

Remove the differential assembly from the differential housing. For additional information, refer to DIFFERENTIAL CASE .

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 .
Force the rear axle drive pinion seal metal flange up. Install gripping pliers and strike with a hammer to remove the seal.

Fig 1: Removing Pinion Seal
Courtesy of FORD MOTOR CO.
Remove the rear axle drive pinion shaft oil slinger (4670).

Fig 2: Removing Rear Axle Drive Pinion Shaft Oil Slinger
Courtesy of FORD MOTOR CO.
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).

Fig 3: Installing Special Tool
Courtesy of FORD MOTOR CO.
Remove the outer differential pinion bearing.

Fig 4: Removing Outer Differential Pinion Bearing
Courtesy of FORD MOTOR CO.
Remove and discard the collapsible spacer (4662).

Fig 5: Removing Collapsible Spacer
Courtesy of FORD MOTOR CO.
Using the special tool and a suitable press, remove the inner differential pinion bearing (4630).

Fig 6: Removing Inner Differential Pinion Bearing
Courtesy of FORD MOTOR CO.

NOTE: Do not remove the pinion bearing cups from the differential housing unless the cups are damaged.

Fig 7: Locating Bearing Cup

Courtesy of FORD MOTOR CO.

To remove the bearing cups, tap alternately (with a brass drift of suitable length) on opposite sides of the cup to prevent the cup from cocking in the casting.