2003 SUBARU IMPREZA service schedule

Maintenance and service
11-23
– CONTINUED –
4. To install the air cleaner case cover, insert the two
projections on the air cleaner case cover into theslits on the air cleaner case and then snap the two
clamps on the air cleaner case cover. Spark plugs
It may be difficult to replace the spark plugs. It is
recommended that you have the spark plugs re-
placed by your SUBARU dealer.
The spark plugs should be replaced according to
the maintenance schedule in the
“Warranty and
Maintenance Booklet ”.

Maintenance and service
11-37
– CONTINUED –
Brake pedal
Check the brake pedal free play and reserve dis-
tance according to the maintenance schedule in the“Warranty and Maintenance Booklet ”.
Checking the brake pedal free play
1) 0.04 – 0.12 in (1.0 – 3.0 mm)
Stop the engine and firmly depress the brake pedal
several times. Lightly press the brake pedal down
with one finger to check the free play with a force ofless than 2 lb (10 N, 1 kg).
If the free play is not within proper specification, contact your SUBARU dealer.
Checking the brake pedal reserve dis- tance
1) More than 2.56 in (65 mm)
Depress the pedal with a force of approximately 66
lb (294 N, 30 kg) and measure the distance be-
tween the upper surface of the pedal pad and the
floor.
When the measurement is smaller than the specifi-
cation, or when the pedal does not operate smooth-
ly, contact with your SUBARU dealer.

Maintenance and service
11-38
Clutch pedal (MT vehicles)
Check the clutch pedal free play and reserve dis-
tance according to the maintenance schedule in the“Warranty and Maintenance Booklet ”.
Checking the clutch function
Check the clutch engagement and disengagement.
1. With the engine idling, check that there are no
abnormal noises when the clutch pedal is de-
pressed, and that shifting into 1st or reverse feelssmooth.
2. Start the vehicle by releasing the pedal slowly tocheck that the engine and transmission smoothly
couple without any sign of slippage.
Checking the clutch pedal free play
1) 0.16 – 0.51 in (4.0 –13.0 mm)
Lightly press the clutch pedal down with your finger
until you feel resistance, and check the free play.
If the free play is not within proper specification,
contact your SUBARU dealer.

Maintenance and service
11-40
4. Wait 5 to 10 minutes for the parking brake to cool
down. Repeat this procedure.
5. Check the parking brake stroke. If the parking
brake stroke is out of the specified range, adjust it
by turning the adjusting nut located on the parking
brake lever.Parking brake stroke: 7 – 8 notches / 44 lb (196 N, 20 kg)
WARNING
A safe location and situation should be se- lected for break-in driving.
CAUTION
Pulling the parking brake lever too forcefully
may cause the rear wheels to lock. To avoid
this, be certain to pull the lever up slowly and
gently. Parking brake stroke
Check the parking brake stroke according to the
maintenance schedule in the
“Warranty and Mainte-
nance Booklet ”. When the parking brake is properly
adjusted, braking power is fully applied by pulling
the lever up seven to eight notches gently but firmly(about 44 lb, 196 N, 20 kg). If the parking brake le-
ver stroke is not within the specified range, have thebrake system checked and adjusted at your
SUBARU dealer.