Impreza WRX F4-2.5L DOHC Turbo (2006)
Water Pump: Specifications
When installing the water pump, tighten bolts in two stages in alphabetical sequence as shown in the figure.
Tightening torque:
First ........................................................................................................................................................................................ 12 Nm (1.2 kgf-m, 8.7 ft. lbs.)
Second .................................................................................................................................................................................... 12 Nm (1.2 kgf-m, 8.7 ft. lbs.)