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Impreza WRX STI F4-2.5L DOHC Turbo
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Water Pump
Water Pump
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.)