2005 SUBARU IMPREZA WRX brake

11 -4 5
Maintenance and service
– CONTINUED –
Replacement of brake pad and lining
The right front disc brake and the right rear disc brake
have an audible wear indicators on the brake pads. If
the brake pads wear close to their service limit, the
wear indicator makes a very audible scraping noise
when the brake pedal is applied.
If you hear this scraping noise each time you apply the
brake pedal, have the brake pads serviced by your
SUBARU dealer as soon as possible.
If you continue to drive despite the scraping
noise from the audible brake pad wear indica-
tor, it will result in the need for costly brake ro-
tor repair or replacement.
„ Breaking-in of new brake pads and lin- ings
When replacing the brake pad or lining, use only gen-
uine SUBARU parts. After replacement, the new parts
must be broken in as follows: T Brake pad and lining
While maintaining a speed of 30 to 40 mph (50 to 65
km/h), step on the brake pedal lightly. Repeat this five
or more times. T Parking brake lining
1. Drive the vehicle at a speed of about 22 mph (35 km/h).
2. With the parking brake release button pushed in,
pull the parking brake lever SLOWLY and GENTLY.
(Pulling with a force of approximately 33 lbs [147 N, 15kg].)
3. Drive the vehicle for about 220 yards (200 meters)
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11 - 4 6
Maintenance and service
in this condition.
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 lbs (196 N, 20 kg)
A safe location and situation should be select-
ed for break-in driving.
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 main-
tenance schedule in the “Warranty and Maintenance
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 lbs
[196 N, 20 kg]). If the parking brake lever stroke is not
within the specified range, have the brake system
checked and adjusted at your SUBARU dealer.
UG7509CA

11 - 5 4
Maintenance and service
Use only those wheels that are specified for
your vehicle. Wheels not meeting specifica-
tions could interfere with brake caliper opera-
tion and may cause the tires to rub against the
wheel well housing during turns. The resulting
loss of vehicle control could lead to an acci-
dent.
NOTE
When any of the wheels is removed and replaced
for tire rotation or to change a flat tire, alwayscheck the tightness of the wheel nuts after driving
approximately 600 miles (1,000 km). If any nut is
loose, tighten it to the specified torque.
Aluminum wheels
Aluminum wheels can be scratched and damaged
easily. Handle them carefully to maintain their appear-
ance, performance, and safety. y
When any of the wheels is removed and replaced
for tire rotation or to change a flat, always check the
tightness of the wheel nuts after driving approximately
600 miles (1,000 km). If any nut is loose, tighten it to
the specified torque.y Never apply oil to the threaded parts, wheel nuts, or
tapered surface of the wheel.y Never let the wheel rub against sharp protrusions or
curbs. y Be sure to fit tire chains on uniformly and completely
around the tire, otherwise the chains may scratch the
wheel.y When wheel nuts, balance weights, or the center
cap is replaced, be sure to replace them with genuine
SUBARU parts designed for aluminum wheels.

11 - 7 0
Maintenance and service
„
Headlights (U.S.-spec. WRX-STi)
High-intensity-discharge (HID) bulbs are used
for the low beams of the headlights on the U.S.-
spec. WRX-STi. These HID bulbs use an ex-
tremely high voltage. To avoid the risk of an
electric shock and resulting serious injury, you
should not attempt to replace them. Neither
should you attempt to replace the high-beam
bulbs, remove/refit the headlight assemblies,
or remove any headlight-assembly compo-
nents. For replacement of the headlight bulbs
(low-beam and high-beam), removal and instal-
lation of the headlight assemblies, and removal
of headlight-assembly components, contact
your SUBARU dealer.
Wattage Bulb No.
1) Front turn signal 12V-21W –
2) Spot light 12V-8W –
3) Room light 12V-8W –
4) Parking light 12V-5W 168
5) Low beam head light U.S.-spec. WRX-STi 12V-35W D2R Except U.S.-spec. WRX-STi 12V-55W H1
6) Front fog light 12V-55W H3
7) High beam head light 12V-60W 9005 (HB3)
8) Trunk room light 12V-16W W16W
9) High mount stop light Sedan
(in compartment) 12V-18W 921
(in rear spoiler) 12V-1.2W –
Wagon 12V-13W 912
10) Backup light 12V-21W 7440
11) Rear turn signal 12V-21W (Amber)–
12) Brake/tail light 12V-21/5W 7443
13) Tail light 12V-21/5W 7443
14) Brake light 12V-21W 7440
15) License plate light 12V-5W 168 16) Cargo area light 12V-13W –
Wattage Bulb No.

11 -7 9
Maintenance and service
– CONTINUED –
1) Backup light
2) Rear turn signal light
3) Brake/tail light
4) Tail light
5) Brake light
2. Open the rear portion of the side trunk trim panel.
3. Remove the bulb holder from the rear combination
light assembly by turning it counterclockwise.
4. Remove the bulb from the socket by pushing it and
turning counterclockwise. Install a new bulb.
5. Set the bulb holder into the rear combination light
assembly and turn it clockwise until it locks.
6. Secure the rear trunk trim panel with the clips. T
Wagon
1. Using a Phillips screwdriver, remove the upper and
lower screws that secure the side cover of the rear
combination light assembly.
554
2
3
1
UGB539BB
UGB540BA

11 - 8 0
Maintenance and service
2. Remove the upper and lower screws. Then, slide
the rear combination lamp assembly to the rear and
remove it from the vehicle.
1) Brake/tail light
2) Rear turn signal light
3) Backup light
3. Remove the bulb holder from the rear combination
light assembly by turning it counterclockwise.
4. Remove the bulb from the socket by pushing it and
turning counterclockwise. Install a new bulb.
5. Set the bulb holder into the rear combination light
assembly and turn it clockwise until it locks.
6. Close the cover and latch the lock.
7. Reinstall the rear combination light assembly and
its side cover.
UGB541BA
2
1
3
UGB542BB

12-8
Specifications
1210Ay
Illumination brightness control
1310AyCombination meter
y SRS lamp
1410AyRear window wiper and washer
1530AyWindshield wiper and washer
1620AyBrake light
1715AyAir conditioner
1815AyBackup light
y Cruise control
1920AyMirror heater
20Empty
21Empty
2210AyABS ignition
Fuse panelFuse ratingCircuit
2320AyAccessory power outlet
(cargo)
y Seat heater
Fuse panelFuse ratingCircuit

12-10
Specifications
Bulb chart
Description Wattage Bulb type
Headlight
U.S.-spec. WRX-
STi versionLow beam 12V-35W D2R
High beam 12V-60W 9005 (HB3)
Except U.S.-spec.
WRX-STi version Low beam 12V-55W H1
High beam 12V-60W 9005 (HB3)
Front fog light 12V-55W H3
Front turn signal 12V-21W –
Parking light 12V-5W 168
Rear combination
light Brake light (Sedan) 12V-21W 7440
Brake/tail light 12V-21/5W 7443
Turn signal light 12V-21W (Amber) –
Tail light (Sedan) 12V-21/5W 7443
Back-up light 12V-21W 7440 High mount stop light
Sedan
(in compartment) 12V-18W 921
Sedan
(in rear spoiler) 12V-1.2W –
Wagon 12V-13W 912
License plate light 12V-5W 168
Trunk room light 12V-16W W16W
Cargo area light 12V-13W –
Front ashtray light 12V-1.4W –
Dome light 12V-8W –
Map light 12V-8W –
Description Wattage Bulb type