Subaru Impreza 2003, Service Manual

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