Tundra 2WD V6-4.0L (1GR-FE) (2005)
Water Pump: Specifications
WATER PUMP
Install a new gasket and the water pump with the 17 bolts.
Torque for 10 mm (0.39 inch) head: 9.0 Nm (92 kgf-cm, 80 inch lbs.)
Torque for 12 mm (0.47 inch) head: 23 Nm (235 kgf-cm, 17 ft. lbs.)