Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 151
IN(w/o STI)-3
General Description
INTAKE (INDUCTION)
2. INTAKE DUCT
IN-03310
(7)
T3
(5)
(2)
(9)
(8)
(6)
(10)
(12)
(18)
T1
T1
(4)
(2)
(3)
T3
T2
(16)
T1
(13)
(14)
(15)
(1)
(14)
(14)
(14)
(17)
(17)
(17)
(11 )
IN(w/o STI)-4
General Description
INTAKE (INDUCTION)
3. INTERCOOLER
(1)
PCV hose ASSY A
(9)
PCV hose ASSY C
(17) Clip
(2)
Intake manifold
(10) Air by-pass pipe
(18) Clip
(3)
Solenoid valve bracket ASSY
(11) Clip
(4)
Intake duct
(12) Vacuum hose
Tightening torque: N·m (kgf-m, ft-lb)
(5)
Engine harness ASSY
(13) Brake booster vacuum hose
T1: 6.4 (0.7, 4.7)
(6)
Vacuum hose
(14) Clamp
T2: 17 (1.7, 12.5)
(7)
PCV hose ASSY B
(15) PCV hose ASSY D
T3: 19 (1.9, 14.0)
(8)
PCV pipe ASSY
(16) Solenoid valve bracket
(1)
Intercooler
(5)
Spacer
Tightening torque: N·m (kgf-m, ft-lb)
(2)
O-ring
(6)
Cushion
T1: 6.5 (0.7, 4.8)
(3)
Air by-pass valve
(7)
Intercooler stay
T2: 16 (1.6, 11.8)
(4)
O-ring
(8)
Clip
IN-02933
T2
(1)
(4)
T2
(5)
(6)
T2
(7)
(2)
(3)
T1
(8)
IN(w/o STI)-5
General Description
INTAKE (INDUCTION)
4. TURBOCHARGER
(1)
Oil inlet pipe
(9)
Clip
Tightening torque: N·m (kgf-m, ft-lb)
(2)
Gasket
(10) Oil outlet hose
T1: 4.9 (0.5, 3.6)
(3)
Turbocharger
(11) Turbocharger stay RH
T2: 7.8 (0.8, 5.8)
(4)
Water pipe
(12) Turbocharger stay LH
T3: 16 (1.6, 11.8)
(5)
Clip
(13) Gasket
T4: 20 (2.0, 14.8)
(6)
Engine coolant hose
(14) Union bolt A
T5: 23 (2.3, 17.0)
(7)
Gasket
(15) Union bolt B
T6: 33 (3.4, 24.3)
(8)
Oil outlet pipe
IN-02934
(3)
(4)
(2)
(2)
(2)
(2)
T5
T2
T3
T4
(1)
(13)
(5)
(6)
(12)
(11)
T6
T1
(8)
(9)
(7)
(10)
(9)
(15)
(14)
IN(w/o STI)-6
General Description
INTAKE (INDUCTION)
B: 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.
C: PREPARATION TOOL
1. GENERAL TOOL
TOOL NAME
REMARKS
Mighty Vac
Used for checking waste gate actuator and air by-pass valve.
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