2005 SUBARU IMPREZA Recommended spark plugs

11 - 1
11
Maintenance and service
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 ............................................................ 11-5
Engine hood .................................................. 11-5
Engine compartment overview ................... 11-8 2.5-liter non-turbo models ................................ 11-8
2.0-liter turbo models ....................................... 11-9
2.5-liter turbo models ....................................... 11-10
Engine oil ...................................................... 11-11 Checking the oil level ....................................... 11-11
Changing the oil and oil filter .......................... 11-12
Recommended grade and viscosity ................ 11-16
Recommended grade and viscosity under severe driving conditions .............................. 11-18
Synthetic oil ....................................................... 11-18
Cooling system ............................................. 11-18 Cooling fan, hose and connections ................ 11-19
Engine coolant .................................................. 11-19
Air cleaner element ...................................... 11-24 Replacing the air cleaner element ................... 11-24
Spark plugs ................................................... 11-28 Recommended spark plugs ............................. 11-28
Drive belts ..................................................... 11-29
Manual transmission oil ............................... 11-30 Checking the oil level ....................................... 11-30
Recommended grade and viscosity ................ 11-31 Automatic transmission fluid ...................... 11-32
Checking the fluid level .................................... 11-32
Recommended fluid ......................................... 11-34
Front differential gear oil (AT vehicles) ...... 11-35 Checking the oil level ....................................... 11-35
Recommended grade and viscosity ............... 11-35
Rear differential gear oil ............................... 11-36 Checking the gear oil level .............................. 11-36
Recommended grade and viscosity ............... 11-37
Power steering fluid ...................................... 11-38 Checking the fluid level .................................... 11-38
Recommended fluid ......................................... 11-39
Brake fluid ..................................................... 11-40 Checking the fluid level .................................... 11-40
Recommended brake fluid ............................... 11-40
Clutch fluid (MT vehicles) ............................ 11-41 Checking the fluid level .................................... 11-41
Recommended clutch fluid .............................. 11-42
Brake booster ................................................ 11-42
Brake pedal .................................................... 11-43 Checking the brake pedal free play ................ 11-43
Checking the brake pedal reserve distance ... 11-43
Clutch pedal (MT vehicles) ........................... 11-44 Checking the clutch function .......................... 11-44
Checking the clutch pedal free play ............... 11-44
Replacement of brake pad and lining ......... 11-45 Breaking-in of new brake pads and linings .... 11-45
Parking brake stroke .................................... 11-46
Tires and wheels ........................................... 11-47

11 - 2 8
Maintenance and service
Spark plugs
It may be difficult to replace the spark plugs. It is rec-
ommended 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 Mainte-
nance Booklet”.
y
When disconnecting the spark plug cables,
always grasp the spark plug cap, not the ca- bles. y
Make sure the cables are replaced in the cor-
rect order.
„ Recommended spark plugs
2.5-liter non-turbo models:
FR5AP-11
2.0-liter turbo models:
PFR6G (NGK)
2.5-liter turbo models:
IFLR6B (NGK)HSB032BA

14-7
Index
P
Parking
Brake ............................................................ 7-36
Brake stroke ............................................... 11-46
Light switch ................................................... 3-35
Tips ............................................................... 7-36
Periodic inspections ............................................ 8-6 Power Door locking switches ..................................... 2-8
Steering ........................................................ 7-29
Steering fluid ............................................... 11-38
Windows ....................................................... 2-24
Preparing to drive ................................................ 7-9
Printed antenna ................................................... 5-2 R
Rear Combination lights ...................................... 11-78
Differential gear oil ...................................... 11-36
Differential oil temperature warning light ...... 3-23
Gate .............................................................. 2-31
Seats .............................................................. 1-8
Rear seat Folding down (Wagon) ................................. 1-12
Rear window
Defogger button ............................................ 3-41
Wiper and washer switch .............................. 3-40 Recommended
Automatic transmission fluid ....................... 11-34
Brake fluid ................................................... 11-40
Clutch fluid .................................................. 11-42
Oil grade and viscosity ................... 11-16, 11-18, 11-31, 11-35, 11-37
Power steering fluid .................................... 11-39
Spark plugs ................................................. 11-28
Remote keyless entry system ............................. 2-9
Replacement Brake pad and lining ................................... 11-45
Wiper blades ............................................... 11-57
Replacing
Air cleaner element ..................................... 11-24
Battery (Remote keyless entry system) ........ 2-11
Lost transmitters (keyless entry system) ...... 2-13
Replacing bulbs ............................................... 11-69
Cargo area light .......................................... 11-81
Dome light .................................................. 11-81
Front fog light .............................................. 11-78
Front turn signal light .................................. 11-73
Headlights ................................................... 11-70
High mount stop light .................................. 11-83
License plate light ....................................... 11-81
Map light ..................................................... 11-81
Parking light ................................................ 11-74
Rear combination lights .............................. 11-78