Tundra 4WD V8-5.7L (3UR-FE) (2007)
^
If the vehicle is driven for 5-10 minutes, normal operation may be observed because of transfer case gear oil temperature increasing above 32°
F (0°C).
2.
Remove the transfer case from the vehicle.
Refer to the Technical Information System (TIS) 2007 or 2008 model year Tundra Repair Manual:
2007 or 2008 Tundra: Drivetrain - Transfer/4wd/Awd - "JF1A Transfer: Transfer Assembly: Removal"
HINT
JF1A transfer case is used on both the 4.7 L and 5.7 L.
3.
Remove the 4WD computer from the vehicle.
Refer to TIS 2007 or 2008 model year Tundra Repair Manual:
2007 or 2008 Tundra: Drivetrain - Transfer/4wd/Awd - "JF1A Transfer: 4WD Control ECU: Removal"
4.
Install the NEW 4WD computer.
Refer to TIS 2007 or 2008 model year Tundra Repair Manual:
2007 or 2008 Tundra: Drivetrain - Transfer/4wd/Awd - "JF1A Transfer: 4WD Control ECU: Installation"
5.
Disassemble the transfer case to replace the transfer case actuator assembly.
Refer to TIS 2007 or 2008 model year Tundra Repair Manual:
2007 or 2008 Tundra: Drivetrain - Transfer/4wd/Awd - "JF1A Transfer: Transfer Assembly: Disassembly"
NOTE
Complete steps 1 through the "Remove Transfer Shift Actuator Assembly" step. Do NOT complete any further steps.
6.
Install the NEW transfer case actuator assembly into the transfer case.
Refer to TIS 2007 or 2008 model year Tundra Repair Manual: