Tundra 4WD V8-4.6L (1UR-FE) (2010)
Actuator: Service and Repair
Installation
DIFFERENTIAL: AUTOMATIC DISCONNECTING DIFFERENTIAL ACTUATOR (for 4WD): INSTALLATION
1. INSTALL AUTOMATIC DISCONNECTING DIFFERENTIAL ACTUATOR
(a) Remove any old FIPG material and be careful not to drop oil on the contact surfaces of the differential tube and actuator.
(b) Clean the contact surfaces with any residual FIPG material using gasoline or alcohol.
(c) Apply seal packing to the differential tube as shown in the illustration.
Seal packing:
Toyota Genuine Seal Packing 1281, Three Bond 1281 or equivalent
HINT
Install the actuator within 10 minutes of applying seal packing.
(d) Clean the threads of the 4 bolts and retainer bolt holes with toluene or trichloroethylene.
(e) Install the actuator onto the differential tube.
(f) Apply adhesive to 2 to 3 threads of each bolt end.
Adhesive:
Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent
(g) Install the 4 bolts.
Torque : 21 Nm (210 kgf-cm, 15 ft-lbf)
(h) Connect the actuator hose.
(i) Connect the actuator connector.
2. INSTALL NO. 1 ENGINE UNDER COVER See: Engine, Cooling and Exhaust/Engine/Drive Belts, Mounts, Brackets and Accessories/Drive
Belt/Service and Repair/Installation
3. INSPECT AUTOMATIC DISCONNECTING DIFFERENTIAL ACTUATOR
(a) Inspect the automatic disconnecting differential actuator See: Transfer Case/Testing and Inspection/Component Tests and General
Diagnostics/Touch Select 2-4 and High-Low System.