Drive Pinion Flange and Drive Pinion Seal: Installation

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If the pinion seal becomes cocked during installation, remove the seal and install a new one. Make sure the garter spring remains in place during assembly. If the spring is dislodged, a new pinion seal must be installed or damage to the component may occur.

Using the Drive Pinion Oil Seal Installer, install the pinion seal.
- Coat the pinion seal (rubber lips) with lubricant.
  
  Fig 1: Installing Pinion Seal
  Courtesy of FORD MOTOR CO.
NOTE: The pinion flange must never be hammered on or installed with power tools or damage to the component may occur.

NOTE: Align the pinion-to-flange index marks.

Using the Drive Pinion Flange Installer, install the pinion flange.

Fig 2: Installing Pinion Flange
Courtesy of FORD MOTOR CO.
NOTE: Always install a new washer and locknut.

Using the Drive Pinion Flange Holding Fixture to hold the pinion flange, install the new washer and locknut.
- Tighten to 637 Nm (470 lb-ft).
  
  Fig 3: Holding Pinion Flange
  Courtesy of FORD MOTOR CO.
NOTE: Align the driveshaft flange-to-rear axle pinion flange index marks.

Position the driveshaft flange on the pinion flange and install 4 new bolts.
- Tighten to 100 Nm (74 lb-ft).
  
  Fig 4: Locating Driveshaft Flange Bolts
  Courtesy of FORD MOTOR CO.