Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. 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.