Seals and Gaskets: Service and Repair

Rear Differential Oil Seal Replacement

Special Tools Required

- Driver Handle, 15 x 135L 07749-0010000
- Oil Seal Driver, 64 mm 07GAD-PH70201
- Oil Seal Driver, 65 mm 07JAD-PL90100
- Bearing Driver Attachment, 78 x 80 mm 07NAD-PX40100

Rear Driveshaft Side

1. Remove the oil seals (A) from the rear differential carrier assembly.

NOTE: Be careful not to damage the differential carrier while prying out the seals.

Left side





Right side





2. Install a new left side oil seal (A) even and flush with the machined edge of the rear differential carrier assembly using the 64 mm oil seal driver (B). Be careful not to damage the lip (C) of the oil seal.






3. Install a new right side oil seal (A) squarely using the 78 x 80 mm bearing driver attachment (B) and the 15 x 135L driver handle (C). Installation depth (D) of the oil seal is 9 mm (0.35 in) below the machined edge of the rear differential carrier assembly. Be careful not to damage the lip of the oil seal.






Propeller Shaft Side

1. Remove the companion flange.

2. Remove the oil seal (A) from the torque control differential (TCD) case (B).

NOTE: Be careful not to damage the shaft or case while prying out the oil seal.






3. Install a new oil seal (A) even and flush with the TCD case using the 65 mm oil seal driver (B). Be careful not to damage the lip of the oil seal.





4. Install the companion flange.