Extension Housing Seal

Extension Housing Seal
This is a "Trustmark Authoring Standards (TAS) Repair Procedure"
- TAS style procedures can be identified by steps that have no accompanying step text and the magenta color of the electrical connectors and fasteners such as nuts, bolts, clamps or clips.
- TAS removal and installation procedures use a sequence of color illustrations to indicate the order to be followed when removing/disassembling or installing/assembling a component.
- Many of the TAS procedures will have the installation information within the removal steps.
- The TAS color illustrations use a variety of symbols to indicate important details of the procedures. It is important to understand these symbols in order to properly used the TAS procedures.
Refer to How to Use TAS Procedures and TAS Symbol Glossary at Vehicle | Description and Operation for additional information on these TAS procedures.
For additional information, refer to How to Use TAS Procedures How to Use TAS Procedures

Removal

WARNING: Make sure to support the vehicle with axle stands.
1 Raise and support the vehicle.
2 Remove the transfer case.
For additional information, refer to Transfer Case - 5.0L Transfer Case Removal
For additional information, refer to Transfer Case - 3.0L Diesel





CAUTION: Care must be taken to avoid damage to the seal register and running surface.
Remove the transmission output shaft oil seal.
Use the special tool.
Special Service Tool




Remover, Input Shaft Seal, 303-903

Installation






CAUTION: Oil seals must be fitted dry.

CAUTION: Make sure that the mating faces are clean and free of foreign material.
Install a new transmission output shaft oil seal.
Clean the seal register.
Use the special tool.
Special Service Tool




Installer, Output Shaft Seal, 307-520
1 Install the transfer case.
For additional information, refer to Transfer Case - 5.0L Transfer Case Removal
For additional information, refer to Transfer Case - 3.0L Diesel
2 Check and top-up the transmission fluid level.
For additional information, refer to Transmission Fluid Level Check Transmission Fluid Level Check