Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 458
CL-7
General Description
CLUTCH SYSTEM
3. OPERATING CYLINDER
• Except for STI model
(1)
Push rod
(4)
Piston spring
Tightening torque: N·m (kgf-m, ft-lb)
(2)
Boot
(5)
Operating cylinder
T: 7.8 (0.8, 5.8)
(3)
Piston
(6)
Breather screw
CL-00504
T
(5)
(4)
(3)
(2)
(1)
(6)
CL-8
General Description
CLUTCH SYSTEM
4. MASTER CYLINDER
(1)
Reservoir cap
(6)
Return spring
(11) Breather screw
(2)
Reservoir tank
(7)
Piston
(3)
Oil seal
(8)
Push rod ASSY
Tightening torque: N·m (kgf-m, ft-lb)
(4)
Straight pin
(9)
Piston stop ring
T1: 7.8 (0.8, 5.8)
(5)
Master cylinder
(10) Seat
T2: 10 (1.0, 7.4)
CL-00630
(1)
(2)
(3)
(4)
(5)
(7)
(6)
T2
(8)
(9)
(10)
(11)
T1
CL-9
General Description
CLUTCH SYSTEM
5. CLUTCH PEDAL
(1)
Stopper
(10) Bushing C
(19) Pedal bracket
(2)
Bushing
(11) Clutch clevis pin
(20) Clutch master cylinder bracket
(3)
Spring pin
(12) Assist rod A
(21) Lever
(4)
Snap pin
(13) Clip
(22) Clutch start switch
(5)
Brake pedal pad
(14) Assist spring
(6)
Brake pedal
(15) Assist bushing
Tightening torque: N·m (kgf-m, ft-lb)
(7)
Clevis pin
(16) Assist rod B
T1: 8 (0.8, 5.9)
(8)
Clutch pedal pad
(17) Clutch switch
T2: 18 (1.8, 13.3)
(9)
Clutch pedal
(18) Stop light switch
CL-00873
(7)
(7)
T1
T1
T2
T2
T2
(11 )
(11 )
(4)
(2)
(3)
(22)
(21)
(20)
(1)
(1)
(1)
(2)
(2)
(6)
(9)
(10)
(12)
(15)
(16)
(17)
(19)
(18)
(14)
(13)
(5)
(2)
(8)
(4)
(13)
(10)
(10)
CL-10
General Description
CLUTCH SYSTEM
C: CAUTION
• Wear appropriate work clothing, including a cap, protective goggles and protective shoes when performing
any work.
• Remove contamination including dirt and corrosion before removal, installation or disassembly.
• Keep the disassembled parts in order and protect them from dust and dirt.
• Before removal, installation or disassembly, be sure to clarify the failure. Avoid unnecessary removal, in-
stallation, disassembly and replacement.
• Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.
• Use SUBARU genuine fluid, grease etc. or equivalent. Do not mix fluid, grease, etc. of different grades or
manufacturers.
• Be sure to tighten fasteners including bolts and nuts to the specified torque.
• Place shop jacks or rigid racks at the specified points.
• Apply grease onto sliding or revolving surfaces before installation.
• Before installing O-rings or snap rings, apply sufficient amount of fluid to avoid damage and deformation.
• Before securing a part in a vise, place cushioning material such as wood blocks, aluminum plate or cloth
between the part and the vise.
• Keep fluid away from the vehicle body. If any fluid contacts the vehicle body, immediately flush the area
with water.
D: PREPARATION TOOL
1. SPECIAL TOOL
2. GENERAL TOOL
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
498497100
CRANKSHAFT
STOPPER
Used for stopping rotation of the flywheel.
499747100
CLUTCH DISC
GUIDE
Used for installing the clutch disc to the flywheel.
TOOL NAME
REMARKS
Circuit tester
Used for measuring resistance, voltage and ampere.
Dial gauge
Used for measuring clutch disc run-out.
Depth gauge
Used for measuring clutch disc wear.
ST-498497100
ST-499747100
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