Impreza GT F4-2.5L Turbo (2009)
4) After tightening the camshaft cap, ensure the camshaft rotates only slightly while holding it at base circle.
3) Apply a thin coat of engine oil to the periphery of the camshaft oil seal and oil seal lip, and install the oil seal on the camshaft using ST1 and ST2.
NOTE:
Use a new oil seal.
ST1 499587600 OIL SEAL INSTALLER
ST2 499597200 OIL SEAL GUIDE
4) Install the oil pipe to the front camshaft cap using the union screw without filter (without protrusion).
Tightening torque:
29 Nm (3.0 kgf-m, 21.4 ft-lb)
5) Similarly, install the parts on right-hand side.
6) Install the tensioner bracket.
Tightening torque:
24.5 Nm (2.5 kgf-m, 18.1 ft-lb)