2012 SUBARU FORESTER spark plugs

Maintenance schedule....................................... 11-3
Maintenance precautions ................................... 11-3
Before checking or servicing in the engine compartment .................................................... 11-4
When checking or servicing in the engine compartment (non-turbo models) ...................... 11-4
When checking or servicing in the engine compartment while the engine is running .......... 11-5
Engine hood ....................................................... 11-5
Engine compartment overview .......................... 11-7
Non-turbo models .............................................. 11-7
Turbo models ..................................................... 11-8
Engine oil ............................................................ 11-9
Checking the oil level ......................................... 11-9
Changing the oil and oil filter ............................ 11-11
Recommended grade and viscosity .................. 11-13
Synthetic oil ..................................................... 11-13
Cooling system ................................................ 11-13
Cooling fan, hose and connections ................... 11-14
Engine coolant ................................................. 11-14
Air cleaner element .......................................... 11-15
Replacing the air cleaner element ..................... 11-15
Spark plugs ...................................................... 11-17
Drive belts ........................................................ 11-18
Turbo models ................................................... 11-18
Non-turbo models ............................................ 11-18
Manual transmission oil .................................. 11-19
Checking the oil level ....................................... 11-19
Recommended grade and viscosity .................. 11-19Automatic transmission fluid
.......................... 11-20
Checking the fluid level .................................... 11-20
Recommended fluid ......................................... 11-21
Front differential gear oil (AT models) ........... 11-21
Checking the oil level ...................................... 11-21
Recommended grade and viscosity .................. 11-22
Rear differential gear oil .................................. 11-22
Recommended grade and viscosity .................. 11-22
Power steering fluid ........................................ 11-22
Checking the fluid level .................................... 11-22
Recommended fluid ......................................... 11-23
Brake fluid ........................................................ 11-23
Checking the fluid level .................................... 11-23
Recommended brake fluid ............................... 11-24
Clutch fluid (MT models) ................................. 11-24
Checking the fluid level .................................... 11-24
Recommended clutch fluid ............................... 11-25
Brake booster .................................................. 11-25
Brake pedal ...................................................... 11-26
Checking the brake pedal free play .................. 11-26
Checking the brake pedal reserve distance....... 11-26
Clutch pedal (MT models) ............................... 11-27
Checking the clutch function ............................ 11-27
Checking the clutch pedal free play .................. 11-27
Hill start assist system (MT models) .............. 11-27
Replacement of brake pad and lining ............ 11-28
Breaking-in of new brake pads and linings ....... 11-28
Parking brake stroke ....................................... 11-29
Maintenance and service
11

2. Unplug the connector that is attached
to the top of the air cleaner case.
3. Unsnap the two clips and open the air
cleaner case.
4. Remove the air cleaner element.
5. Clean the inside of the air cleaner case
with a damp cloth and install a new air
cleaner element.
6. If the rear air cleaner case has been
removed, insert the three projections on
the rear air cleaner case into the slits on
the front air cleaner case.
7. Install the removed parts in the reverse
order of removal.Spark plugs
It may be difficult to replace the spark
plugs. It is recommended that you have
the spark plugs replaced by your
SUBARU dealer.
The spark plugs should be replaced
according to the maintenance schedule
in the
“Warranty and Maintenance Book-
let ”.
NOTE
For the recommended spark plugs,
refer to “Electrical system ”F 12-3.
Maintenance and service
11-17

&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
– CONTINUED –

14-8Index
R Rear Combination lights ................................................. 11-48
Differential gear oil ........................................ 11-22, 12-8
Gate ............................................................. 2-23, 9-18
Turn signal light .................................................... 11-48
Rear seat .................................................................... 1-7
Center table ............................................................ 6-7
Folding down ......................................................... 1-11
Reclining ............................................................... 1-10
Rear view camera ...................................................... 6-17
Rear window Defogger ............................................................... 3-45
Wiper and washer switch ........................................ 3-36
Wiper blades ........................................................ 11-41
Recommended
Automatic transmission fluid .................................... 12-9
Brake fluid. ............................................................ 12-9
Clutch fluid ............................................................ 12-9
Engine oil .............................................................. 12-5
Front differential gear oil ......................................... 12-8
Manual transmission oil .......................................... 12-8
Power steering fluid ................................................ 12-9
Rear differential gear oil .......................................... 12-8
Spark plugs ........................................................... 12-3
Refueling .................................................................... 7-3
Remote engine start system .......................................... 7-9
Remote keyless entry system ........................................ 2-7
Replacement
Brake pad and lining ............................................. 11-28
Wiper blades ........................................................ 11-39 Replacing
Air cleaner element ............................................... 11-15
Battery (remote engine start transmitter) .................... 7-12
Battery (remote keyless entry system) ....................... 2-10
Lost transmitters (remote keyless entry system) ......... 2-11
Replacing bulbs ....................................................... 11-45
Cargo area light ................................................... 11-50
Dome light ........................................................... 11-50
Door step light ..................................................... 11-50
Front turn signal light ............................................ 11-48
Headlight ............................................................. 11-45
License plate light ................................................. 11-49
Map light ............................................................. 11-50
Position light ........................................................ 11-48
Rear combination light .......................................... 11-48
Rocking the vehicle .................................................... 8-12
Roof molding and crossbar .......................................... 8-15
Roof rails ................................................................... 8-14
SSafety Precautions when driving ............................................. 5
Symbol ...................................................................... 2
Warnings ................................................................... 2
Screensaver .............................................................. 5-55
Seat Fabric ................................................................... 10-5
Front ...................................................................... 1-2
Heater .................................................................... 1-6
Height adjustment .................................................... 1-4
Power .................................................................... 1-4

Rear....................................................................... 1-7
Seatbelt ................................................................. 5, 1-12
Fastening .............................................................. 1-14
Maintenance .......................................................... 1-20
Pretensioners ........................................................ 1-20
Safety tips ............................................................. 1-12
Warning light and chime ......................................... 3-13
Security Alarm system ........................................................ 2-14
Immobilizer. ............................................................. 2-3
Indicator light ......................................................... 3-23
Shock sensors ....................................................... 2-19
Select lever ............................................................... 7-16
Position indicator ................................................... 3-24
Shift lock function ................................................... 7-17
Shock sensors ........................................................... 2-19
Shopping bag hook .................................................... 6-13
Snow tires ........................................................ 8-11, 11-29
Snowy and icy roads .................................................. 8-10
Sounding a panic alarm .............................................. 2-10
Spark plugs ...................................................... 11-17, 12-3
Specifications ............................................................ 12-2
Speedometer ............................................................... 3-8
SPORT mode ............................................................ 7-20
Indicator light ......................................................... 3-24
SRS Curtain airbag ........................................................ 1-48
Frontal airbag ........................................................ 1-38
Side airbag ........................................................... 1-48
SRS airbag (Supplemental Restraint System airbag) ... 5, 1-34 SRS airbag system
Monitors ................................................................ 1-58
Servicing ............................................................... 1-59
Warning light .......................................................... 3-15
Starting the engine ...................................................... 7-7
State emission testing (U.S. only) .................................. 7-6
Steering wheel Power ................................................................... 7-21
Tilt/telescopic ......................................................... 3-47
Stopping the engine ..................................................... 7-9
Storage compartment ................................................... 6-5
Sun shade ................................................................. 2-26
Sun visors .................................................................. 6-4
Supplemental Restraint System airbag (SRS) ................ 1-34
Synthetic leather upholstery ......................................... 10-5
T
Tachometer ................................................................ 3-10
Temperature gauge ..................................................... 3-11
Temperature warning light AT OIL TEMP ......................................................... 3-18
Coolant ................................................................. 3-16
Temporary spare tire .................................................... 9-2
Tether (child restraint system) .............................. 1-29, 1-32
Tie-down hooks .......................................................... 9-14
Tire Chains .................................................................. 8-11
Inspection ............................................................ 11-31
Pressures and wear .............................................. 11-31
Replacement. ....................................................... 11-35
Rotation .............................................................. 11-35 Index
14-9