Axle Sealing Ring

F-code Section C-code PS S2.0 2550 Transmission

Version no T-code 000 395/396/397/398/399

5. Axle Sealing Ring

Replace the axle sealing ring when there is oil leakage from the drive axle.

5.1. Disassembly

1.Drain transmission oil by removing drain plug (28).

Remove copper washer (18) from drain plug. 2.Remove transmission from the truck (see page155). 3.Remove bolts (34) from lower case cover (37).

Remove lower case cover (37). Remove O-ring (15) from cover. 4.Loosen drive axle bolts (16). Remove bolts (16) and keeper washer (36). 5.Drive out the drive axle (17).

NOTE! To avoid bearing damaging during removal, use a split bearing puller. 6.Using a puller, remove bearing (23) from drive axle (17).

NOTE! The seal ring (26) may remain in the transmission case (38). 7.Remove seal ring (26) from axle (17) or transmission case (38).

F-code Section C-code PS S2.0 2550 Transmission

Version no T-code 000 395/396/397/398/399

5.2. Assembly

1.Place drive axle outer bearing (23) in the transmission case (38).

NOTE! Use care when pressing the new seal ring into place so the seal is seated correctly in the gear housing. 2.Press new seal ring (26) into transmission case (38). 3.Press drive axle (17) into the transmission case.

Be sure the spacer (25) and washer (24) are aligned with the axle (17) and that the splines on the drive axle (17) are aligned with the splines in the bevel gear (33). 4.Place keeper washer (36) onto the drive axle end and install new bolts (16). Torque axle bolts (16) to 81 ft-lb (109 N•m). 5.Install a new O-ring (15) on the lower cover (37).

Install lower cover (37). Lubricate new bolts (34).

Secure lower cover (37) with new bolts (34).

Torque bolts (34) to 18 ft-lb (24 N•m). Make sure

O-ring (15) is not damaged during installation. 6.Install a new copper washer (18) on drain plug (28). Install drain plug (28) in the transmission. Fill transmission with oil (see “Approved Oils and

Grease” on page84). Install fill level plug (35) in the transmission case. 7.Install transmission on truck (see page155).