Impreza Sedan AWD F4-1820cc 1.8L SOHC (1993)
8) Remove three bolts from the front side of oil pump and detach the pump.
9) Remove three bolts from the lower side of bracket and detach the bracket.
CAUTION: The bracket does not need to be removed unless it is damaged.
10) Place oil pump in a vise, remove two bolts from the upper side of oil tank and detach oil tank.
CAUTION: Do not place oil pump directly in the vise; use soft pads and hold oil pump lightly to protect the pump.