Subaru IMPREZA 2002 Service Manual page 496

PIPE ASSEMBLY
POWER ASSISTED SYSTEM (POWER STEERING)
Leakage from connecting portions of
Fluid leaking area
I
Possible cause
I
Corrective action
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.
pipes and hoses, numbered with (1)
through (10) in figure
Poor insertion of hose, poor clamping
Damaged O-ring or gasket
Retighten or replace the clamp.
Replace O-ring or gasket pipe or hose
with new one, if ineffective, replace the
gearbox also.
Leakage from hose (1 l ) , (12) and
(13) in figure
Crack or damage in hose
Crack or damage in hose hardware
I
Replace with a new one.
I
Replace with a new one.
Leakage from oil tank (16) and (17) in
figure
Crack in oil tank
Leakage from surrounding of cast iron
portion of oil pump (1 4) and (1 5) in
fiaure
I
Replace the oil tank.
Damaged O-ring
Damaged gasket
Replace the oil pump.
Replace the oil pump.
Leakage from filler neck (18)
I
Damaged oil seal
Leakage from surrounding of power
cylinder of gearbox (1 9) in figure
Damaged cap packing
Crack in root of filler neck
Hiah fluid level
Replace the cap.
Replace the oil tank.
Adiust the fluid level.
1
Replace the oil seal.
Leakage from control valve of gear-
box (20) and (21) in figure
Damaged packing or oil seal
Damage in control valve
Replace the problem parts.
Replace the control valve.
PS-54