Impreza F4-2.5L SOHC (2003)
5) Rotate the shaft lightly by hand to engage the splines securely.
Dimension A: 2.7 - 2.9 mm (0.106 - 0.114 inch)
6) Install the transmission assembly to the vehicle.
INSPECTION
Make sure the ring gear is not damaged and that the protrusion on the edge of the torque converter clutch is not deformed or otherwise damaged.