Subaru Impreza 2003 Service Manual page 2695

Fluid leaking area
Leakage from connecting portions of
pipes and hoses, numbered with (1)
through (10) in figure
Leakage from hose (11), (12) and
(13) in figure
Leakage from surrounding of cast iron
portion of oil pump (14) and (15) in
figure
Leakage from oil tank (16) and (17) in
figure
Leakage from filler neck (18)
Leakage from surrounding of power
cylinder of gearbox (19) in figure
Leakage from control valve of gear-
box (20) and (21) in figure
PIPE ASSEMBLY [LHD MODEL]
Possible cause
Insufficient tightening of flare nut, catching
dirt or the like, damage to flare or flare nut or
eye bolt
Poor insertion of hose, poor clamping
Damaged O-ring or gasket
Crack or damage in hose
Crack or damage in hose hardware
Damaged O-ring
Damaged gasket
Crack in oil tank
Damaged cap packing
Crack in root of filler neck
High fluid level
Damaged oil seal
Damaged packing or oil seal
Damage in control valve
PS-71
POWER ASSISTED SYSTEM (POWER STEERING)
Loosen and retighten, if ineffective,
replace.
Retighten or replace the clamp.
Replace the O-ring or gasket pipe or
hose with new one, if ineffective, replace
gearbox also.
Replace with a new one.
Replace with a new one.
Replace the oil pump.
Replace the oil pump.
Replace the oil tank.
Replace the cap.
Replace the oil tank.
Adjust the fluid level.
Replace the oil seal.
Replace the problem parts.
Replace the control valve.
Corrective action