2013 SUBARU FORESTER engine

&Engine
Engine model FB25
(2.5-liter, DOHC, non-turbo) EJ255
(2.5-liter, DOHC, turbo)
Engine type Horizontally opposed, liquid cooled 4 cylinder, 4-stroke gasoline engine
Displacement cc (cu-in) 2,498 (152)2,457 (150)
Bore 6Stroke in (mm) 3.7 63.5 (94.0 690.0) 3.9 63.1 (99.5 679.0)
Compression ratio 10.0 : 18.4 : 1
Firing order 1
–3–2 –4
& Electrical system
Battery type and capacity (5HR) MT 12V-48AH (55D23L)
AT 12V-52AH (65D23L)
Alternator 12V-110A
Spark plugs Non-turbo engine SILZKAR7B11 (NGK)
Turbo engine SILFR6A (NGK)
AT: Automatic transmission
MT: Manual transmission Specifications
12-3
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12-4Specifications
&Fuel
NOTE
The engine is designed to operate using unleaded gasoline.
Model Fuel requirement Fuel tank capacity
Non-turbo 87 AKI (90 RON) or higher 16.9 US gal (64 liters, 14.1 Imp gal)
Turbo 91 AKI (95 RON) or higher*
1
*1: If unleaded gasoline with an octane rating of 91 AKI (95 RON) is not available, unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher
may be temporarily used. For details, refer to
“Fuel ”F 7-2.

&Engine oil
For the checking, adding and replacing procedure or other details, refer to “Engine oil ”F 11-9.
NOTE
The procedure for changing the engine oil and oil filter should be performed by a properly-trained expert. It is recommended
that you have this service performed by your SUBARU dealer. ! Approved engine oil
Always use the SUBARU approved engine oil. For further details, please contact your SUBARU dealer.
If the approved engine oil is unavailable, use the alternative engine oil described on the next page. Specifications
12-5
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12-6Specifications
!Alternative engine oil
If the SUBARU approved oil is unavailable, the following alternative oil can be used. NOTE
Each quantity indicated here is only a guideline. The necessary quantity for replacement may differ slightly depending on the
temperature and other factors. ! Non-turbo models
Oil grade SAE viscosity No. and
applicable temperature Oil capacity
API classification SM or SN with
the words “
ENERGY CONSERVING ”or
“ RESOURCE CONSERVING ”orILSAC GF-4 or GF-5, which can
be identified with the ILSAC
certification mark (Starburst mark) 0W-20 synthetic
oil is the required oil
for optimum engine performance and
protection. Conventional oil may be
used if synthetic oil is unavailable.
*: If 0W-20 synthetic oil is not available,
5W-30 or 5W-40 conventional oil may
be used if replenishment is needed but
should be changed to 0W-20 synthetic
oil at the next oil change.
– Adding the oil from L to F level:
1.1 US qt (1.0 liter, 0.9 Imp qt)
– Changing the oil and oil filter:
5.5 US qt (5.2 liters, 4.6 Imp qt)

!Turbo models
Oil grade SAE viscosity No. and
applicable temperature Oil capacity
API classification SM or SN with
the words “
ENERGY CONSERVING ”or
“ RESOURCE CONSERVING ”orILSAC GF-4 or GF-5, which can
be identified with the ILSAC
certification mark (Starburst mark) 5W-30 synthetic
oil is required for
optimum engine performance and pro-
tection. Conventional oil may be used if
synthetic oil is unavailable.
*: If 5W-30 synthetic oil is not available,
5W-30 or 5W-40 conventional oil may
be used if replenishment is needed but
should be changed to 5W-30 synthetic
oil at the next oil change.
– Adding the oil from L to F level:
1.1 US qt (1.0 liter, 0.9 Imp qt)
– Changing the oil and oil filter:
4.4 US qt (4.2 liters, 3.7 Imp qt) Specifications
12-7
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&Fluids
NOTE
Each quantity indicated here is only a guideline. The necessary quantity for replacement may differ slightly depending on the
temperature and other factors.
Fluid Fluid type Fluid capacity
Automatic transmission fluid (AT models) · SUBARU ATF
· IDEMITSU ATF HP 9.8 US qt (9.3 liters, 8.2 Imp qt)
Power steering fluid · SUBARU ATF
· IDEMITSU ATF HP ·
“Dexron III ”Type Automatic Transmission Fluid 0.7 US qt (0.7 liter, 0.6 Imp qt)
Brake fluid FMVSS No. 116, fresh DOT 3 or DOT 4 brake fluid –
Clutch fluid (MT models) –
For the checking procedure, or other details, refer to “Automatic transmission fluid ”F 11-20, “Power steering fluid ”F 11-22, “Brake fluid ”F 11-23 or
“ Clutch fluid (MT models) ”F 11-24.
& Engine coolant
NOTE
Each quantity indicated here is only a guideline. The necessary quantity for replacement may differ slightly depending on the
temperature and other factors.
Model Coolant capacity Coolant type
Non-turbo Manual transmission 7.5 US qt (7.1 liters, 6.2 Imp qt)
SUBARU Super Coolant
Automatic transmission 7.4 US qt (7.0 liters, 6.2 Imp qt)
Turbo 8.5 US qt (8.0 liters, 7.0 Imp qt)
For the checking, adding and replacing procedure, or other details, refer to “Cooling system ”F 11-13. Specifications
12-9
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Fuses and circuits &Fuse panel located in the passenger compartmentFuse
panel Fuse
rating Circuit
1 20A .Trailer
2 Empty
3 15A .Door locking
4 10A .Front wiper deicer relay
5 10A .Combination meter
6 7.5A .Remote control rear
view mirrors
. Seat heater relay
7 15A .Combination meter
. Integrated unit
8 20A .Stop light
9 15A .Front wiper deicer
10 7.5A .Power supply (battery)
11 7.5A .Turn signal unit
. Clock
12 15A .Automatic transmission
unit
. Engine control unit
. Integrated unit
13 20A .Accessory power outlet
(center console)
14 15A .Parking light
. Tail light
. Rear combination light
15 Empty (FWD connector for AWD AT models)
Specifications
12-11
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&Fuse panel located in the engine compartment
A) Main fuse Fuse
panel Fuse
rating Circuit
1 30A .ABS unit
. Vehicle Dynamics Con-
trol unit
2 25A .Main fan (cooling fan)
3 10A .Secondary air combina-
tion valve (turbo models)
4 25A .Sub fan (cooling fan)
5 Empty
6 10A .Audio
7 30A .Headlight (low beam)
8 15A .Headlight (high beam)
9 20A .Back-up
10 15A .Horn
11 25A .Rear window defogger
. Mirror heater
12 15A .Fuel pump
13 10A .Automatic transmission
control unit
14 7.5A .Engine control unit
15 15A .Turn and hazard warn-
ing flasher
16 15A .Tail and illumination re-
lay
17 7.5A .Alternator
Specifications
12-13
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