Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 565

BR-45

Brake Hose

BRAKE

C: INSPECTION

Make sure there are no cracks, breakage or dam-

age on hoses. Check the joint for fluid leakage. If

any cracks, breakage, damage or fluid leakage is

found, repair or replace the hose.

BR-46

Brake Pipe

BRAKE

13.Brake Pipe

A: REMOVAL

CAUTION:

• Yellow connectors and harnesses with yel-

low tapes around them are the connectors and

harnesses for the airbag system. Using a tester

above such circuits may cause malfunction of

airbag system. Follow the cautions for the air-

bag system in this case. <Ref. to AB-5, CAU-

TION, General Description.>

• Be careful not to damage the airbag system

wiring harness when servicing the center brake

pipe.

• When removing the brake pipe, do not bend.
NOTE:

The airbag system wiring harness is routed near

the center brake pipe.

B: INSTALLATION

CAUTION:

• Yellow connectors and harnesses with yel-

low tapes around them are the connectors and

harnesses for the airbag system. Using a tester

above such circuits may cause malfunction of

airbag system. Follow the cautions for the air-

bag system in this case. <Ref. to AB-5, CAU-

TION, General Description.>

• Be careful not to damage the airbag system

wiring harness when servicing the center brake

pipe.

• When installing the brake pipe, do not bend.

• After installing the brake pipe and hose, per-

form air bleed.

• After installing the brake hoses, make sure

that they do not contact the tires or suspension

assembly, etc.
NOTE:

The airbag system wiring harness is routed near

the center brake pipe.
Brake pipe tightening torque:

Refer to “COMPONENT” of “General Descrip-

tion”.

Front brake pipes & hoses: <Ref. to BR-9,

FRONT BRAKE PIPES AND HOSES, COM-

PONENT, General Description.>

Center and rear brake pipes & hoses: <Ref.

to BR-10, CENTER AND REAR BRAKE

PIPES & HOSES, COMPONENT, General

Description.>

C: INSPECTION

Make sure there are no cracks, breakage or dam-

age on hoses. Check the joint for fluid leakage. If

any cracks, breakage, damage or fluid leakage is

found, repair or replace the pipes.
NOTE:

Use a mirror when inspecting back sides and other

locations which are hard to see.

BR-47

Brake Pedal

BRAKE

14.Brake Pedal

A: REMOVAL

1) Remove the steering column. <Ref. to PS-16,

REMOVAL, Steering Column.>

2) Disconnect the connector from the clutch switch.

3) Disconnect the connector from stop light switch.

4) Remove the stop light switch. <Ref. to BR-49,

REMOVAL, Stop Light Switch.>

5) Remove the clevis pin which secures the pedal

and operating rod.

6) Remove the nut which secures the clutch master

cylinder.

7) Remove the bolt and nut which secure the brake

pedal bracket.

B: INSTALLATION

1) Install the bolt and nut which secure the brake

pedal bracket.
Tightening torque:

18 N·m (1.84 kgf-m, 13.3 ft-lb)

2) Install clevis pin and snap pin which secure the

operating rod to the brake pedal.
NOTE:

• Replace with a new clevis pin.

• Apply NIGTIGHT LYW No. 2 grease to the clevis

pin.

3) Install the stop light switch. <Ref. to BR-49, IN-

STALLATION, Stop Light Switch.>

4) Check the brake pedal after installation. <Ref. to

BR-48, INSPECTION, Brake Pedal.>

(1) Clevis pin
(2) Snap pin
(3) Operating rod
(4) Brake pedal

(1)

(3)

(4)

(2)

BR-00686

BR-00128

(1) Clevis pin
(2) Snap pin
(3) Operating rod
(4) Brake pedal

(1)

(3)

(4)

(2)

BR-00686

BR-48

Brake Pedal

BRAKE

C: INSPECTION

1) Move the brake pedal pads in a horizontal direc-

tion with a force of approx. 10 N (1 kgf, 2 lbf), and

check that the pedal deflection is in the range of

specifications.
CAUTION:

If excessive deflection is noted, replace with a

new bushing.
Deflection of brake pedal:

Limit

5.0 mm (0.197 in) or less

2) Check the position of the pedal pad.
Pedal height L:

150 — 160 mm (5.91 — 6.29 in)

Brake pedal free play A:

0.5 — 2 mm (0.020 — 0.079 in) [When pulling

the brake pedal upward with a force of less

than 10 N (1 kgf, 2 lbf).]

3) Adjust as follows, if the inspection result is not

within the standard value.

(1) Remove the stop light switch. <Ref. to BR-

49, REMOVAL, Stop Light Switch.>

(2) Loosen the lock nut of the brake booster op-

erating rod, and rotate the rod to adjust the ped-

al height L to be within the standard value.

(3) Tighten the lock nut.

Tightening torque:

22 N·m (2.24 kgf-m, 16.2 ft-lb)

(4) Install the stop light switch. <Ref. to BR-49,

INSTALLATION, Stop Light Switch.>

(1) Brake pedal

(1) Stop light switch
(2) Mat
(3) Toe board
(4) Brake booster operating rod

BR-00105

(1)

PM-00452

(1)

(2)

L

A

(3)

(4)