Replacement [08/2015 - 08/2019]: Procedure

WARNING: This page is about a different car, the 2019 Toyota 4Runner, 2018 Toyota 4Runner, 2017 Toyota 4Runner, and 2016 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

DRAIN TRANSFER OIL
Refer to PROCEDURE - Step 1
REMOVE FRONT PROPELLER SHAFT ASSEMBLY
(Refer to REMOVAL [08/2015 - ] )
REMOVE FRONT OUTPUT SHAFT COMPANION FLANGE SUB-ASSEMBLY
Refer to PROCEDURE - Step 6
REMOVE FRONT TRANSFER OUTPUT SHAFT COMPANION FLANGE OIL SEAL
Refer to PROCEDURE - Step 7
REMOVE TRANSFER CASE FRONT OIL SEAL

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Using SST, tap out the transfer case front oil seal.
  - SST: 09308-00010
  NOTE:
  Be careful not to damage the transfer case front oil seal and front case contact surface.
INSTALL TRANSFER CASE FRONT OIL SEAL

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Coat the lip of a new transfer case front oil seal with MP grease.
2. Using SST and a hammer, tap in the transfer case front oil seal until its metal ring contacts the front case.
  - SST: 09649-17010
  - SST: 09950-70010
    1. 09951-07100
INSTALL FRONT TRANSFER OUTPUT SHAFT COMPANION FLANGE OIL SEAL
Refer to PROCEDURE - Step 54
INSTALL FRONT OUTPUT SHAFT COMPANION FLANGE SUB-ASSEMBLY
Refer to PROCEDURE - Step 55
INSTALL FRONT PROPELLER SHAFT ASSEMBLY
(Refer to INSTALLATION [08/2015 - ] )
ADD TRANSFER OIL
Refer to PROCEDURE - Step 2
CHECK FOR TRANSFER OIL LEAK