Transfer Case Rear Oil Seal Replacement

Using SST and a hammer, release the staked part of the nut.

SST

09930-00010(09931-00010,09931-00020)

NOTICE:

1. Be sure to use SST with the tapered surface facing the shaft.
   
2. Do not grind the tip of SST with a grinder, etc.
   
3. Completely loosen the staked part of the nut when removing it.
   
4. Do not damage the threads of the rear transfer output shaft.
   

Using SST to hold the companion flange, remove the lock nut.

SST

09330-00021

Using SST, remove the companion flange.

SST

09950-40011(09951-04020,09952-04010,09953-04030,09954-04010,09955-04051,09957-04010,09958-04011)

Remove the O-ring from the companion flange.

Using SST, tap out the oil seal.

SST

09308-00010

NOTICE:

Be careful not to damage the oil seal and rear transfer case contact surface.

Apply transfer oil to the spline of the output shaft.

Using SST and a hammer, tap in a new oil seal until its surface is flush with the housing upper surface.

SST

09649-17010
09950-70010(09951-07150)

Install the companion flange onto the output shaft.

Using SST to hold the companion flange, install a new O-ring and a new companion flange lock nut.

SST

09330-00021

Torque:

127 N*m{1299 kgf*cm, 94 ft.*lbf}

Using a chisel and hammer, stake the companion flange lock nut.