2009 SUBARU LEGACY spark plugs

Maintenance schedule....................................... 11-3
Maintenance precautions ................................... 11-3
Before checking or servicing in the engine compartment .................................................... 11-4
When you do checking or servicing in the engine compartment while the engine is running .......... 11-4
Engine hood ....................................................... 11-4
Engine compartment overview .......................... 11-6
2.5 L non-turbo models ...................................... 11-6
2.5 L turbo models ............................................. 11-7
3.0 L models ...................................................... 11-8
Engine oil ............................................................ 11-9
Checking the oil level ......................................... 11-9
Changing the oil and oil filter ............................ 11-10
Recommended grade and viscosity .................. 11-12
Recommended grade and viscosity under severe driving conditions .......................................... 11-13
Cooling system ................................................ 11-14
Cooling fan, hose and connections ................... 11-14
Engine coolant ................................................. 11-14
Air cleaner element .......................................... 11-17
Replacing the air cleaner element ..................... 11-18
Spark plugs ...................................................... 11-20
Recommended spark plugs .............................. 11-20
Drive belts ........................................................ 11-20
2.5 L models .................................................... 11-20
3.0 L models .................................................... 11-21
Manual transmission oil .................................. 11-21
Checking the oil level ....................................... 11-21
Recommended grade and viscosity .................. 11-22Automatic transmission fluid
.......................... 11-22
Checking the fluid level .................................... 11-22
Recommended fluid ......................................... 11-23
Front differential gear oil (AT models) ........... 11-24
Checking the oil level ...................................... 11-24
Recommended grade and viscosity .................. 11-25
Rear differential gear oil .................................. 11-25
Checking the gear oil level ............................... 11-25
Recommended grade and viscosity .................. 11-27
Power steering fluid ........................................ 11-27
Checking the fluid level .................................... 11-27
Recommended fluid ......................................... 11-28
Brake fluid ........................................................ 11-28
Checking the fluid level .................................... 11-28
Recommended brake fluid ............................... 11-29
Clutch fluid (MT models) ................................. 11-29
Checking the fluid level .................................... 11-29
Recommended clutch fluid ............................... 11-30
Brake booster .................................................. 11-30
Brake pedal ...................................................... 11-31
Checking the brake pedal free play .................. 11-31
Checking the brake pedal reserve distance....... 11-31
Clutch pedal (MT models) ............................... 11-31
Checking the clutch function ............................ 11-31
Checking the clutch pedal free play .................. 11-32
Replacement of brake pad and lining ............ 11-32
Breaking-in of new brake pads and linings ....... 11-32
Parking brake stroke ....................................... 11-33
Tires and wheels .............................................. 11-33
Types of tires ................................................... 11-33
Maintenance and service
11

11-20Maintenance and service
Spark plugs
CAUTION
. When disconnecting the spark
plug cables, always grasp the
spark plug cap, not the cables.
. Make sure the cables are re-
placed in the correct order.
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 ”. &
Recommended spark plugs
2.5 L non-turbo models: FR5AP-11 (NGK)
2.5 L turbo models:
SILFR6A (NGK)
3.0 L models: ILFR6B (NGK) Drive belts
The power steering oil pump, alternator
and air conditioner compressor depend on
drive belts. Satisfactory performance re-
quires that belt tension be correct. &
2.5 L models
1) Power steering oil pump pulley
2) Alternator pulley
3) Air conditioner compressor pulley
4) Crank pulley
A) 22 lbf (98 N, 10 kgf)
B) 22 lbf (98 N, 10 kgf)

&Engine
Engine model EJ253
(2.5 L, SOHC, non-turbo) EJ255
(2.5 L, DOHC, turbo) EZ30D
(3.0 L, DOHC, non-turbo)
Engine type Horizontally opposed, liquid cooled 4 cylinder,
4 stroke gasoline engine Horizontally opposed, liquid cooled 6 cylinder,
4 stroke gasoline engine
Displacement cu-in (cc) 150 (2,457) 183 (3,000)
Bore 6Stroke in (mm) 3.92 63.11 (99.5 679.0) 3.51 63.15 (89.2 680.0)
Compression ratio 10.0 : 1 8.4 : 1 10.7 : 1
Firing order 1– 3–2 – 4 1
–6– 3–2– 5–4
& Electrical system
Battery type and capacity (5HR) 2.5 L models
MT 55D23L (12V-48AH)
AT 75D23L (12V-52AH)
3.0 L models 75D23L (12V-52AH)
Alternator 12V-110A
Spark plugs 2.5 L non-turbo models
FR5AP-11 (NGK)
2.5 L turbo models SILFR6A (NGK)
3.0 L models ILFR6B (NGK)Specifications
12-3
– CONTINUED –

N
New vehicle break-in driving.......................................... 8-2
OOdometer .................................................................. 3-25
Odometer/Trip meter .................................................. 3-10
Off road driving ............................................................ 8-6
Oil filter .................................................................... 11-10
Oil level Engine .................................................................. 11-9
Front differential gear ............................................ 11-24
Manual transmission .............................................. 11-21
Rear differential .................................................... 11-25
Oil pressure warning light ............................................ 3-32
Outside mirrors .......................................................... 3-57
Outside temperature indicator ...................................... 3-42
Overhead console ........................................................ 6-7
Overheating engine .................................................... 9-13
PParking Brake ................................................................... 7-45
Brake stroke ......................................................... 11-33
Light switch ........................................................... 3-48
Tips...................................................................... 7-45
Parking your vehicle ................................................... 7-44
Periodic inspections ..................................................... 8-4
Petrol fuel ................................................................... 7-3
Pocket ........................................................................ 6-8
Power
Door locking switch .................................................. 2-7 Seat
....................................................................... 1-4
Steering ................................................................ 7-34
Steering fluid ........................................................ 11-27
Windows ............................................................... 2-21
Precautions against vehicle modification ................ 1-27, 1-66
Preparing to drive ........................................................ 7-8
Printed antenna ........................................................... 5-2
RRear Combination lights ................................................ 11-53
Gate ............................................................. 2-27, 9-18
Seats ..................................................................... 1-9
Viscous limited slip differential .................................. 7-33
Rear differential Gear oil ............................................................... 11-25
Rear seat
Folding down .......................................................... 1-9
Rear turn signal ........................................................ 11-53
Rear window
Defogger button ..................................................... 3-54
Wiper and washer switch ......................................... 3-53
Wiper blades ........................................................ 11-44
Recommended
Automatic transmission fluid ................................... 11-23
Brake fluid ........................................................... 11-29
Clutch fluid .......................................................... 11-30
OIL grade and viscosity ..................... 11-12, 11-13, 11-22, 11-25, 11-27
Power steering fluid .............................................. 11-28
Spark plugs ......................................................... 11-20 Index
14-7

14-8Index
Refueling .................................................................... 7-5
Remote engine start system ........................................ 7-11
Remote keyless entry system ........................................ 2-8
Replacement Brake pad and lining ............................................. 11-32
Wiper blades ........................................................ 11-42
Replacing Air cleaner element ............................................... 11-18
Battery (remote keyless entry system) ...................... 2-11
Lost transmitters (remote keyless entry system) . ........ 2-13
Replacing bulbs ........................................................ 11-50
Back-up light (Sedan) ............................................ 11-53
Back-up light (Station wagon) ................................. 11-56
Brake/Tail and rear side marker light (Sedan) ........... 11-53
Brake/Tail light (Station wagon) ............................... 11-54
Cargo area light .................................................... 11-59
Dome light ........................................................... 11-57
Door step light ...................................................... 11-58
Front fog light ....................................................... 11-53
Headlight ............................................................. 11-51
High mount stop light ............................................. 11-59
License plate light ................................................. 11-56
Map light .............................................................. 11-57
Rear combination light ........................................... 11-53
Rear side marker light (Station wagon) .................... 11-54
Trunk light ............................................................ 11-59
Vanity mirror light .................................................. 11-58
Rocking the vehicle .................................................... 8-13
Roof rail and crossbar ................................................ 8-15 S
S# PREP indicator light
............................................... 3-39
Safety
Precautions when driving ............................................. 4
Symbol ...................................................................... 2
Warnings ................................................................... 2
Seat Fabric ................................................................... 10-5
Heater .................................................................... 1-8
Memory function ...................................................... 1-5
Seat height adjustment ................................................. 1-4
Seatbelt. ........................................................................ 4
Maintenance .......................................................... 1-23
Pretensioners ......................................................... 1-24
Safety tips ............................................................. 1-13
Warning light and chime .................................. 1-15, 3-29
Seatbelts ................................................................... 1-13
Security ID plate .......................................................... 2-3
Security indicator light .......................................... 2-4, 3-38
Selector lever ..................................................... 7-19, 7-25
Position indicator ............................................ 3-39, 3-40
Shift lock release ................................................ 7-24, 7-30
Shift-up indicator light .................................................. 3-38
Shock sensors ........................................................... 2-20
Shopping bag hook ..................................................... 6-13
SI-DRIVE mode. ......................................................... 7-31
Snow tires ....................................................... 8-11, 11-34
Snowy and icy roads ................................................... 8-9
Sounding a panic alarm .............................................. 2-11
Spark plugs ............................................................. 11-20
Specifications ............................................................. 12-2