Transfer Case Front Output Shaft Seal

Transfer Case Front Output Shaft Seal

Special Service Tools






Installer

307-486(LRT-41-019)





Installer

308-636





Installer

205-818

Removal

WARNING: Some variation in the illustrations may occur, but the essential information is always correct.
1 Disconnect the battery ground cable. For additional information, refer to Procedures
2
WARNING: Make sure to support the vehicle with axle stands.
Raise and support the vehicle.
3 Drain the transfer case fluid. For additional information, refer to Transfer Case Draining and Filling Procedures
4 Remove the transfer case. For additional information, refer to Transfer Case - 5.0L
5 With assistance, secure the transfer case with its transmission mating face down on a flat surface.
- Secure with 2 bolts.




6
WARNING: Eye protection must be worn.
Remove the shift motor.
- Remove the 4 bolts.
- Remove any debris from the bolt holes.




7
WARNING: Eye protection must be worn.
Remove 17 Torx bolts securing the transfer casings.
- The two bolts indicated remain fully tightened.
- Remove any debris from the bolt holes.
8 With assistance, release the transfer case and secure with the rear face of the transfer case facing down on a flat surface.




9
WARNING: Eye protection must be worn.
CAUTION: Care must be taken to avoid damage to the mating surfaces.
Remove the front half of the transfer case.
- Remove the remaining 2 Torx bolts.
- Remove any debris from the bolt holes.
- Use a soft faced mallet.





10
CAUTION: Note the fitted position of the special washers.
Remove the 2 special washers.





11 Remove the input shaft and oil pump assembly.
- Release the fluid pump pickup line.





12 Remove the front output flange.
- Compress the snap ring.
- Press the flange through the bearing.
- Remove and discard the snap ring.





13
CAUTION: Care must be taken to avoid damage to the seal register and running surface.
Remove the output flange seal.





14 Remove the output flange bearing.

Installation
1 Remove the sealant from the transfer case mating faces.
2 Clean the magnetic filter.




3
CAUTION: The chamfer on the bearing inner track must face the seal.
Using the special tool, install the output flange bearing.
- Clean the components mating faces.




4 Using the special tool, install a new oil seal.
- Clean the component mating faces.
- Grease the new seal.




5
CAUTION: Centralize the snap ring in the snap ring groove before installing the output flange.
CAUTION: Extreme care is necessary to make sure the snap ring enters the bearing squarely.
Using the special tool and with assistance, install the drive flange.
- Clean the component mating faces.
- Install a new snap ring.
- Make sure the snap ring is fully engaged and retains the drive flange.
6
CAUTION: Make sure the washers are installed correctly.
Install the 2 special washers.
- Clean the components.




7
CAUTION: Make sure the oil pump is installed over its location peg.
Install the input shaft and oil pump assembly.
- Clean the components.
- Secure the fluid pickup line.




8 Apply a 2 mm bead of sealant to one surface of the transfer case mating face, as shown.
- Clean the component mating faces.
- Clean the dowels and dowel holes.




9 Install the front half of the transfer case.
- Evenly tighten the 2 Torx bolts shown to 35 Nm (26 lb.ft).

10 With assistance, release the transfer case and secure with its transmission mating face down on a flat surface.

11 Tighten the remaining Torx bolts to 35 Nm (26 lb.ft).

12 Install the shift motor.
- Clean the components.
- Tighten the Torx bolts to 25 Nm (18 lb.ft).

13 With assistance, release the transfer case.
- Remove the 2 bolts.

14 Install the transfer case. For additional information, refer to Transfer Case - 5.0L

15 Refill the transfer case with the recommended fluid. For additional information, refer to Transfer Case Draining and Filling Procedures

16 Connect the battery ground cable. For additional information, refer to Procedures