Forester F4-2.5L SOHC (2004)
2. Using ST, measure the distance from the oil pump housing mating surface to the top surface of the oil pump cover with thrust needle bearing.
ST 398643600 GAUGE
3. Calculation of total end play
Select suitable bearing race from among those listed in this table so that clearance C is in the 0.25 to 0.55 mm (0.0098 to 0.0217 inch) range.
C = (L + G) - Q
4. After completing end play adjustment, insert the bearing race in the recess of the high clutch. Attach the thrust needle bearing to the oil pump
cover with Vaseline.
5. After correctly installing the new gasket to the case mating surface, carefully install the oil pump housing assembly. Be careful to avoid hitting the
drive pinion against the inside of the case.
6. Install both parts with dowel pins aligned. Make sure no clearance exists at the mating surface.