Impreza WRX STI F4-2.5L Turbo (2008)
9) Install the timing belt.
10) Install the timing belt cover.
11) Install the crank pulley.
12) Install the V-belts.
13) Install the radiator.
INSPECTION
1) Check the water pump bearing for smooth rotation.
2) Check the water pump pulley for abnormalities.
3) Make sure the impeller is not deformed or damaged.
4) Inspect the clearance between impeller and pump case.
Clearance between impeller and pump case:
Standard 0.5 - 1.5 mm (0.020 - 0.059 inch)
5) After water pump installation, check pulley shaft for engine coolant leaks or noise. If leaks or noise are noted, replace the water pump assembly.
