Impreza WRX STI F4-2.5L Turbo (2008)
6) Install the camshaft.
7) Install the cam sprocket.
8) Install the timing belt.
9) Measure all valves for valve clearance again at this time. If the valve clearance is not within the adjustment value, repeat the procedure over again
from the first step.
Valve clearance (adjustment value):
Intake 0.20+0.01 -0.03 MM (0.0079+0.0004 -0.0012 inch)
Exhaust 0.35±0.02 mm (0.0138±0.0008 inch)
10) After measuring, install the related parts in the reverse order of removal.
NOTE: Use a new rocker cover gasket.