Subaru 2009 IMPREZA, Service Manual

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PM-46
Steering System (Power Steering)
PERIODIC MAINTENANCE SERVICES
5. POWER STEERING FLUID LEVEL
NOTE:
• At power steering fluid temperature 20°C (68°F);
read the fluid level on the “COLD” side.
• At power steering fluid temperature 80°C
(176°F); read the fluid level on the “HOT” side.
1) Place the vehicle with engine “OFF” on a level
surface.
2) Check the fluid level using the scale on the out-
side of the reservoir tank (A). If the level is below
“MIN” (B), add fluid to bring it up to “MAX” (C).
CAUTION:
If the power steering fluid is spilt over exhaust
pipe, wipe it off with cloth to avoid emitting
smoke or causing a fire.
NOTE:
If fluid level is at MAX level or above, drain fluid to
keep the level in the specified range of indicator by
using a syringe or the like.
Recommended fluid:
SUBARU ATF HP or DEXRON III
Fluid capacity:
0.7
2
(0.7 US qt, 0.6 Imp qt)
6. POWER STEERING FLUID FOR LEAKS
Inspect the underside of oil pump and gearbox of
power steering system, hoses, pipes and their cou-
plings for fluid leaks.
If the fluid leaks are found, retighten their fitting
bolts (or nuts) and/or replace their parts.
NOTE:
• Wipe the leaked fluid off after correcting fluid
leaks.
• Also pay attention to clearances between hoses
(or piping) and other parts when inspecting fluid
leaks.
7. HOSES OF OIL PUMP FOR DAMAGES
Check the pressure hose and return hose of oil
pump for crack, swell or damage. Replace the hose
with a new part if necessary.
NOTE:
Prevent hoses from turning and/or bending when
installing hoses.
8. POWER STEERING PIPES FOR
DAMAGES
Check the power steering pipes for corrosion and
damage.
Replace the pipes with new parts if necessary.
9. GEARBOX BOOTS
Inspect both sides of the gearbox boot as follows,
and correct the defects if necessary.
1) Positions (A) and (B) of the gearbox boot are fit-
ted correspondingly in grooves (A) and (B) of the
gearbox and rod (C).
2) Clips are fitted outside of positions (A) and (B) of
boot.
3) Boot does not have crack or hole.
NOTE:
Rotate (B) position of gearbox boot against the tor-
sion produced by the adjustment of toe-in etc. Ap-
ply grease to the groove (C).
10.FITTING BOLTS AND NUTS
Inspect the fitting bolts and nuts of oil pump and brack-
et for looseness, and retighten them if necessary.
Inspect and/or retighten them when engine is cold.
PM-00395
(A)
(A) Pressure hose
(B) Return hose
PM-00397
(A)
(B)
(C)
(B)
(A)
PM-00090