Differential Ring And Pinion: Removal
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.
- Remove the differential carrier assembly. For additional information, refer to DIFFERENTIAL CARRIER .
- Using the Differential Carrier Bearing Step Plate, Differential Carrier Bearing Collets, Differential Carrier Bearing Retaining Ring, Bearing Tube Remover/Installer and Bearing Tube Remover Screw, remove the differential bearings.
- Place the left and right differential bearing shims with the respective outboard spacers.
-
NOTE: Use a vise with brass jaws or wood blocks.
Place the differential carrier in a vise.
-
NOTE: Whenever removing the differential ring gear bolts, always install new Grade 9 differential ring gear bolts.
Remove and discard 8 of the differential ring gear bolts. Leave 4 differential ring gear bolts loosely assembled, 90 degrees apart.
- Tap each differential ring gear bolt head alternately with a rawhide or plastic hammer to loosen the differential ring gear. Remove and discard the 4 differential ring gear bolts. Remove the differential ring gear.
- If necessary, remove and discard the anti-lock speed sensor ring with a soft-faced hammer.
- To maintain driveline balance, index-mark the driveshaft flange and the pinion flange.
- Remove and discard the 4 driveshaft flange bolts.
-
NOTE: The driveshaft flange fits tightly on the pinion flange. Using a suitable tool, pry only in the area shown below to disconnect the driveshaft flange or damage to the driveshaft may occur.NOTE: It may be necessary to tap the driveshaft flange with a plastic or rubber soft-faced hammer if a pry area is not on the driveshaft flange.NOTE: Do not allow the driveshaft to hang unsupported.
Using a suitable tool as shown below, disconnect the driveshaft flange from the pinion flange and support the driveshaft using mechanic's wire.
- Using the Drive Pinion Flange Holding Fixture to prevent the flange from turning, remove the pinion shaft locknut and washer.
- Using the 2 Jaw Puller, remove the pinion flange.
-
NOTE: There are drive pinion bearing preload shims on the splined-end of the pinion shaft. These drive pinion bearing preload shims can stick to the pinion shaft, the pinion bearing or they can fall out of the axle housing. Collect and keep the drive pinion bearing preload shims for reassembly.
Using the Drive Pinion Thread Protector, drive the pinion from the outer pinion bearing and remove it through the rear of the axle housing.
- Using the Slide Hammer and Bushing Remover, remove and discard the drive pinion seal.
- Remove the drive pinion oil slinger, the outer drive pinion bearing and the pinion preload adjustment shims.
-
NOTE: Do not nick the axle housing bore or damage to the component may occur.
Using the Rear Wheel Hub Bearing Cup Remover and Handle, remove the outer pinion bearing cup.
- Using the Drive Pinion Inner Bearing Remover and Handle, remove the inner pinion bearing cup.