Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 112
SC(STI)-4
General Description
STARTING/CHARGING SYSTEMS
• Except for STI model
(1)
Starter housing ASSY
(9)
Overrunning clutch
(17) Sleeve bearing
(2)
Sleeve bearing
(10) Internal gear ASSY
(18) Starter cover ASSY
(3)
Shift lever
(11) Shaft
(4)
Plate
(12) Pinion gear
Tightening torque: N·m (kgf-m, ft-lb)
(5)
Seal rubber
(13) Seal rubber
T1: 1.4 (0.1, 1.0)
(6)
Magnet switch ASSY
(14) Yoke ASSY
T2: 6 (0.6, 4.4)
(7)
Snap ring
(15) Armature ASSY
T3: 7.5 (0.8, 5.5)
(8)
Stopper
(16) Brush holder ASSY
T4: 10 (1.0, 7.4)
(14)
(1)
(2)
(3)
(4)
(10)
(11)
(12)
(13)
(15)
(5)
(6)
(7)
(8)
(9)
SC-02222
T1
T4
T2
T3
(16)
(17)
(18)
SC(STI)-5
General Description
STARTING/CHARGING SYSTEMS
2. GENERATOR
(1)
Pulley nut
(7)
Bearing
(13) Terminals
(2)
Pulley
(8)
Stator coil
(3)
Front cover
(9)
IC regulator with brush
Tightening torque: N·m (kgf-m, ft-lb)
(4)
Ball bearing
(10) Brush
T1: 4.7 (0.5, 3.5)
(5)
Bearing retainer
(11) Rectifier
T2: 108 (11.0, 79.8)
(6)
Rotor
(12) Rear cover
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
T1
T1
T2
SC-00163
SC(STI)-6
General Description
STARTING/CHARGING SYSTEMS
3. GENERATOR BRACKET
(1)
Generator
(3)
V-belt cover
Tightening torque: N·m (kgf-m, ft-lb)
(2)
Power steering pump bracket
T1: 13 (1.3, 9.6)
T2: 16 (1.6, 11.8)
T3: 22 (2.2, 16.2)
T4: 25 (2.5, 18.4)
SC-02440
(1)
(2)
(3)
T1
T4
T4
T2
T3
T3
SC(STI)-7
General Description
STARTING/CHARGING SYSTEMS
C: CAUTION
• Prior to starting work, pay special attention to the following:
1. Always wear work clothes, a work cap, and protective shoes. Additionally, wear a helmet, protective
goggles, etc. if necessary.
2. Protect the vehicle using a seat cover, fender cover, etc.
3. Prepare the service tools, clean cloth, containers to catch grease and oil, etc.
• Vehicle components are extremely hot immediately after driving. Be wary of receiving burns from heated
parts.
• When performing a repair, identify the cause of trouble and avoid unnecessary removal, disassembly and
replacement.
• Before disconnecting connectors of sensors or units, be sure to disconnect the ground cable from battery.
• Always use the jack-up point when the shop jacks or rigid racks are used to support the vehicle.
• Remove contamination including dirt and corrosion before removal, installation, disassembly or assembly.
• Keep the removed parts in order and protect them from dust and dirt.
• All removed parts, if to be reused, should be reinstalled in the original positions with attention to the correct
directions, etc.
• Bolts, nuts and washers should be replaced with new parts as required.
• Be sure to tighten the fasteners including bolts and nuts to the specified torque.
D: PREPARATION TOOL
1. GENERAL TOOL
TOOL NAME
REMARKS
Circuit tester
Used for measuring resistance, voltage and current.
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