Pedal Adjustment (PDF)




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Clutch Pedal
CLUTCH SYSTEM

10.Clutch Pedal

B: INSTALLATION

A: REMOVAL

1) Install in the reverse order of removal.

1) Disconnect the ground cable from battery. <Ref.
to NT-5, BATTERY, NOTE, Note.>

CAUTION:
Always use a new clevis pin.
2) Adjust the clutch pedal after installation. <Ref. to
CL-33, ADJUSTMENT, Clutch Pedal.>
3) Adjust the clutch start switch. <Ref. to CL-37,
ADJUSTMENT, Clutch Switch.>

NOTE:
For models other than STI model, disconnect the
ground terminal from battery sensor.
2) Remove the steering column. <Ref. to PS-25,
REMOVAL, Steering Column.>
3) Disconnect the connector from the stop light
switch and clutch switch.
4) Remove the snap pins from clevis pins which secure the lever to the push rod and operating rod.
5) Pull out the clevis pins which secures the lever to
the push rod and operating rod.

C: DISASSEMBLY
1) Remove the clutch switches.
2) Remove the clip, assist spring, rod and bushing.
(G)
(A)

(D)

(A)

(E)
(B)

(D)

(F)

(C)

(D)

CL-00692
(C)

(C)

(A)
(B)
(C)
(D)
(E)
(F)
(G)

(B)
CL-00090

(A)
(B)
(C)
(D)

Operating rod
Push rod
Snap pin
Clevis pin

6) Remove the intercooler.
<Ref. to IN(STI)-13, REMOVAL, Intercooler.>
<Ref. to IN(w/o STI)-38, REMOVAL, Intercooler.>
7) Remove the nut which secures the clutch master
cylinder.

Clip
Assist spring
Assist rod A
Assist rod B
Assist bushing
Clutch clevis pin
Bushing

3) Remove the spring pin and lever.
(A)

(B)

CL-00095

(A) Spring pin
(B) Lever
CL-01011

8) Remove the bolts and nuts which secure the
brake pedal and clutch pedal, and remove the pedal assembly.

CL-31

15WRX_STI_US_EN.book

32 ページ

2015年2月13日 金曜日 午前11時20分

Clutch Pedal
CLUTCH SYSTEM

D: ASSEMBLY

4) Remove the clutch pedal and bushings.

1) Attach the stopper and clutch pedal pad to the
clutch pedal.
2) Install the clutch switch to the pedal bracket.
3) Clean the pedal bushing holes of the clutch pedal and the brake pedal, apply grease, and install the
pedal bushings.
4) Install the clutch pedal, brake pedal and lever to
the pedal bracket, and fix with a spring pin.
5) Install the assist rod A, assist rod B, assist bushing and assist spring to the clutch pedal and pedal
bracket.

(B)

(B)

(A)
CL-00602

(A) Clutch pedal
(B) Bushing

E: INSPECTION
1) Check the free play of the clutch pedal.

5) Remove the stopper and clutch pedal pad from
the clutch pedal.

NOTE:
Check by pressing the pedal.
Clutch pedal free play:
5 — 11 mm (0.2 — 0.43 in)
2) Move the clutch pedal pads in the lateral direction with a force of approximately 10 N (1 kgf, 2 lbf)
to check that the clutch pedal deflection is within
the service limit.

(A)

(B)

CAUTION:
If the play exceeds the service limit, replace the
bushing with a new part.

CL-00670

Deflection of the clutch pedal:
Service limit
4.0 mm (0.157 in) or less

(A) Stopper
(B) Clutch pedal pad

6) Remove the stopper from the clutch pedal bracket.
(A)

(B)

(A)
CL-00098

(A) Clutch pedal
(B) Brake pedal

CL-00603

(A) Stopper

CL-32

15WRX_STI_US_EN.book

33 ページ

2015年2月13日 金曜日 午前11時20分

Clutch Pedal
CLUTCH SYSTEM

F: ADJUSTMENT
1) Turn the lock nut until the full stroke of clutch
pedal becomes within the specification.
CAUTION:
When adjusting the full stroke of clutch pedal,
do not turn the clutch switch.

4) Rotate the push rod to adjust.
(1) Make sure that the clutch pedal contacts the
clutch switch side when the pedal is released.
(2) Make sure that the clutch pedal contacts the
clutch pedal bracket stopper when the clutch
pedal is at the maximum stroke position.

NOTE:
If the lock nut cannot adjust the full stroke of clutch
pedal to the specified value, adjust it by turning the
master cylinder push rod.

(A)

(B)

Clutch pedal full stroke A:
STI model
130 — 135 mm (5.12 — 5.31 in)
Except for STI model
135 — 140 mm (5.31 — 5.51 in)

(F)

(C)
(E)
(D)

Tightening torque (clutch switch lock nut):
T: 8 N·m (0.8 kgf-m, 5.9 ft-lb)

(A)
(B)
(C)
(D)
(E)
(F)

CL-00080

Clevis hole
Push rod lock nut
In the shorter direction
In the longer direction
Push rod
Clevis

T

5) Turn the push rod to shorten until a clearance is
gained on the clutch switch side.
A
CL-00225

2) If the full stroke is not within the specified value,
loosen the clutch switch lock nut to adjust.
(A)

Tightening torque:
8 N·m (0.8 kgf-m, 5.9 ft-lb)
3) Loosen the push rod lock nuts.

(B)

(A)

CL-00605

(A) Clutch switch

(B)

(B) Stopper
(D)
(C)

CL-00042

(A)
(B)
(C)
(D)

Clevis pin
Snap pin
Push rod
Push rod lock nut

CL-33

Clutch Pedal
CLUTCH SYSTEM

6) Turn the push rod to lengthen until clutch pedal
contacts the clutch switch.
7) Turn further in the direction that will shorten the
push rod (arrow direction shown in figure) by 270°.
(B)

12) Push the release lever until the operating cylinder push rod retracts. Make sure that the clutch fluid level in the reservoir tank increases. If the clutch
fluid level increases, the hydraulic clutch is properly
adjusted. If the fluid level does not increase or the
push rod does not retract, replace the master cylinder with a new part. <Ref. to CL-24, Master Cylinder.>
(B)

(A)

CL-00600

(A) Accelerator pedal
(B) Clevis

(C)
(A)
CL-00663

8) Check that the clevis pin moves smoothly by
moving it in the left and right directions.
9) Tighten the push rod lock nut.
Tightening torque (push rod lock nut):
T: 10 N·m (1.0 kgf-m, 7.4 ft-lb)

(A) Push rod
(B) Release lever
(C) Operating cylinder

13) Push the release lever until the operating cylinder push rod retracts. Check that the clutch fluid
level in the reservoir tank increases.

(A)
(B)

(B)
T
(C)

CL-00226
(C)

(A) Clevis pin
(B) Snap pin
(C) Push rod

(A)
CL-00663

10) Depress and release the clutch pedal two or
three times to ensure that the clutch pedal and release lever operate smoothly. If the clutch pedal
and release lever do not operate smoothly, bleed
air from the clutch hydraulic system. <Ref. to CL29, Clutch Fluid Air Bleeding.>
11) Measure the clutch pedal full stroke length
again to ensure that it is within specifications. If it is
not within specifications, repeat adjustment procedures again from the beginning.

(A) Push rod
(B) Release lever
(C) Operating cylinder

14) If the clutch fluid level increases, hydraulic
clutch play is correct.
15) If the clutch fluid level does not increase or
push rod does not retract, readjust the clutch pedal.
16) Check the fluid level using the scale on the outside of the reservoir tank. <Ref. to CL-28, INSPECTION, Clutch Fluid.>

Clutch pedal full stroke:
STI model
130 — 135 mm (5.12 — 5.31 in)
Except for STI model
135 — 140 mm (5.31 — 5.51 in)

CL-34






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