Impreza Brighton Coupe AWD F4-2.2L SOHC (1997)
NOTE: Select vanes which are the same height as the rotor.
REASSEMBLY
1. Coat both the O-ring and friction ring with Vaseline and attach to the cam ring. Then fit them into the oil pump housing.
2. Install the vane ring, rotor and vanes into the housing in this sequence.
3. Install the return spring and retainer between the housing and cam ring.
4. Install the control piston to the oil pump housing.
NOTE: Fit the seal in the piston groove, with the red seals facing the top side. (Two side seals and one plain seal are attached.)
5. Set the rotor at the center of the housing bore. Apply ATF abundantly to each rotary portion.