2000 SUBARU IMPREZA maintenance

Maintenance and service10-9
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CONTINUED –
OM-H0192OM-H0191Drain plugSealing washer
Oil filter
6. Remove the oil filter with an oil filter wrenc h.
7. Before installing a new oil filter, ap p ly a thin c oat of eng ine oil to the
seal.
8. Clean the rub b er seal seating area of the lower c rank c ase and
install the oil filter b y hand turning . Be c areful not to twist or d amag e
the seal.
9. Tig hten it ap p roximately two-third s of a turn aft er the seal makes
c ontac t with und ersid e of the c rank c ase.
CAUTION
Never over tighten the oil filter because that can result in an oilleak.
10. Pour the sp ec ified amount of eng ine oil throug h the filler nec k.
Oil c ap ac ity: 4.2 US q t (4.0 liters, 3.5 Imp q t)
11. Start the eng ine and make sure that no oil leaks ap p ear around
the filter ’s rub b er seal.
12. Run the eng ine until it reac hes the normal op era ting temp erature.
Then stop the eng ine and wait a few minutes to allo w the oil d rain
b ac k. Chec k the oil level ag ain and if nec essary, a d d more eng ine oil.

Maintenance and service10-11
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CONTINUED –
OM-H2756
SAE viscosity number and applicable temperature

Recommended grade and viscosity under severe driving conditions
If the vehic le is used in d esert areas, in areas wi th very hig h temp era-
tures, or used for heavy-d uty ap p lic ations suc h as towing a trailer, use
of oil with the following g rad e and visc osities is rec ommend ed .
API c lassific ation: SJ or SH
SAE visc osity No.: 30, 40, 10W-50, 20W-40, 20W-50

Maintenance and service10-13
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CONTINUED –

Engine coolant Checking the coolant level
Chec k the c oolant level at eac h fuel stop .
HG0114
“
FULL ”
level mark
“ LOW ”
level mark
1. Chec k the c oolant level on the outsid e of the res ervoir while the
eng ine is c ool.
2. If the level is c lose to or lower than the “LOW ” level mark, ad d
c oolant up to the “FULL ” level mark. If the reserve tank is emp ty, re-
move the rad iator c ap and refill as req uired .
HG0115
Rubber gaskets
3. After refilling the reserve tank and the rad iator , reinstall the c ap s
and c hec k that the rub b er g askets insid e the rad iat or c ap are in the
p rop er p osition.

Maintenance and service10-15
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CONTINUED –
HG0114
OM-H0197
“ FULL ”
level mark
“ LOW ”
level markFiller neck
Fill up to here
3. Slowly p our the c oolant and fill to the rad iator filler nec k and to the
reserve tank ’s “FULL ” level mark. Do not p our the c oolant too q uic kly,
as this may lead to insuffic ient air b leed ing and t rap p ed air in the sys-
tem.
Coolant c ap ac ity: 6.2 US q t (5.8 liters, 5.2 Imp q t )
HG0115
Rubber gaskets
4. Put the rad iator c ap b ac k on and tig hten firmly. At this time, make
sure that the rub b er g askets in the rad iator c ap ar e c orrec tly in p lac e.
5. Start and run the eng ine for more than five minut es at 2,000 to
3,000 rp m.
6. Stop the eng ine and wait until the c oolant c ools d own (122 to
140 F [ 50 to 60 C] ). If there is any loss of c oolant, ad d c oolant t o the
rad iator ’s filler nec k and to the reserve tank ’s “FULL ” level.

Maintenance and service10-17
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CONTINUED –
c ase.
3. Sep arate the rear air c leaner element c ase from t
he front air c lean-
er element c ase and remove the air c leaner element.
4. Clean the insid e of the front and rear air c leane r element c ases
with a d amp c loth and install a new air c leaner ele ment.
5. Insert the four p rojec tions on the rear air c lean er element c ase into
the slits on the front air c leaner element c ase and snap the three
c lamp s on the rear air c leaner element c ase and the n tig hten the b olt.
Spark plugs
CAUTION
When disconnecting the spark plug cables, always grasp the
spark plug cap, not the cables. Make sure the cables are replaced in the correct order.
HBA004BA
It may b e d iffic ult to rep lac e the sp ark p lug s. It is rec ommend ed that you
have the sp ark p lug s rep lac ed b y your SUBARU d ealer .
The sp ark p lug s should b e rep lac ed ac c ord ing to the maintenanc e
sc hed ule in the “Warranty and Maintenanc e Booklet ”.

Maintenance and service10-19
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CONTINUED –
p ulleys b y using a sp ring sc ale. Belt d eflec tion sh
ould b e the amount
sp ec ified . If a b elt is loose, c rac ked , or worn, c o ntac t your SUBARU
d ealer.
Manual transmission oil
Checking the oil level
Chec k the oil level monthly.
1. Park the vehic le on a level surfac e and stop the eng ine.
OM-H0210
HGA006BB
Upper level Lower level
2. Pull out the d ip stic k, wip e it c lean, and insert it ag ain.
3. Pull out the d ip stic k ag ain and c hec k the oil lev el on it. If it is b elow
the lower level, ad d oil throug h the d ip stic k hole to b ring the level up
to the up p er level. Recommended grade and viscosity
Eac h oil manufac turer has its own b ase oils and ad d itives. Never use
d ifferent b rand s tog ether.
Oil grade: API classification GL-5

Maintenance and service10-21
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CONTINUED –
OM-H0207
HGA007BB
Upper level
Lower levelUpper level
Lower level
4. Pull out the d ip stic k and c hec k the fluid level o n the g aug e. If it is
b elow the lower level on the “HOT ” rang e, ad d the rec ommend ed au-
tomatic transmission fluid up to the up p er level. n Checking the fluid level when the fluid is cold
When the fluid level has to b e c hec ked without time to warm up the
automatic transmission, c hec k to see that the fluid level is b etween
the lower level and up p er level on the “COLD ” rang e. If it is b elow that
rang e, ad d fluid up to the up p er level. Be c areful not to overfill.
Recommended fluid
“ Dexron II ” or “Dexron III ” Type Automatic Transmission Fluid

Maintenance and service10-23
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CONTINUED –
SAE viscosity No. and Applicable Temperature
OM-H0212
Rear differential gear oil
Checking the oil level CAUTION
If the vehicle requires frequent refilling, there may be an oil leak. If you suspect a problem, have the vehicle checked at your
SUBARU dealer.
OM-H0214
OM-H0213
Filler hole
Drain hole Oil level
Filler plug
Drain plug