Subaru 2009 IMPREZA, Service Manual

Page: 2665 / 3619

PS-42
Pipe Assembly
POWER ASSISTED SYSTEM (POWER STEERING)
Fluid leaking area Possible cause Corrective action
Leakage from the connections of pipes
and hoses, numbered (1) through (8) in
the figure
Insufficient tightening of flare nut, adhesion
of dirt, damage to flare or flare nut or eye bolt Loosen and retighten. Replace if
ineffective.
Improper installation of hose or clamp Retighten or replace the clamp.
Damaged O-ring or gasket
Replace the O-ring, gasket pipe or
hose with new part, if still no
improvement, replace the gearbox as
well.
Leakage from hose (9) through (13) in the
figure
Crack or damage in hose Replace with a new part.
Crack or damage in hose hardware Replace with a new part.
Leakage from surrounding of cast iron
portion of oil pump, (14) and (15) in the
figure Damaged O-ring Replace the oil pump.
Damaged gasket Replace the oil pump.
Leakage from oil tank, (16) and (17) in the
figure
Crack in oil tank Replace the oil tank.
Leakage from filler neck of (18)
Damaged cap gasket Replace the cap.
Crack in root of filler neck Replace the oil tank.
Fluid level too high Adjust the fluid level.
Leakage from power cylinder of gearbox
area (19) in the figure
Damaged oil seal Replace the oil seal.
Leakage from (20), (21) in the figure and
control valve of gearbox
Damaged gasket or oil seal Replace the problem parts.
Damage in control valve Replace the control valve.
(10)
(17)
(1)
(13)
(19)
(4)
(2)
(9)
(8)
(7)
(12)
(15)
(14)
(11)
(16)
(18)
(5)
(6)
(20)
(3)
(21)
PS-00805