Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 55

IN(STI)-2

General Description

INTAKE (INDUCTION)

1. General Description

A: COMPONENT

1. AIR CLEANER

(1)

Mass air flow and intake air tem-
perature sensor

(8)

Air intake duct

Tightening torque: N·m (kgf-m, ft-lb)

(2)

Air cleaner case (rear)

(9)

Clip

T1: 1 (0.1, 0.7)

(3)

Clip

(10) Cushion

T2: 2.5 (0.3, 1.8)

(4)

Air intake boot

(11) Spacer

T3: 6 (0.6, 4.4)

(5)

Clamp

(12) Cushion

T4: 7.5 (0.8, 5.5)

(6)

Air cleaner element

(13) Resonator chamber

(7)

Air cleaner case (front)

(6)

(7)

(4)

(3)

(3)

(2)

(1)

(5)

(5)

(11)

(12)

IN-02910

(10)

(13)

(8)

(9)

T4

T3

T2

T2

T1

IN(STI)-3

General Description

INTAKE (INDUCTION)

2. INTAKE DUCT

(1)

Clamp

(6)

Vacuum hose A

Tightening torque: N·m (kgf-m, ft-lb)

(2)

PCV hose ASSY A

(7)

Intake duct

T1: 3 (0.3, 2.2)

(3)

Clip

(8)

Clamp

T2: 17 (1.7, 12.5)

(4)

PCV hose ASSY B

(9)

Vacuum hose B

(5)

PCV hose ASSY C

IN-03499

(1)

(7)

(9)

(6)

T2

T1

(2)

(8)

(8)

(5)

(3)

(4)

(3)

IN(STI)-4

General Description

INTAKE (INDUCTION)

3. INTERCOOLER

(1)

Intercooler

(9)

Gasket

(16) Clamp

(2)

Intercooler stay A

(10) Clip

(17) Intake duct

(3)

Intercooler stay B

(11) Air by-pass hose

(4)

Intercooler stay C

(12) Spacer

Tightening torque: N·m (kgf-m, ft-lb)

(5)

Clamp

(13) Cushion

T1: 3 (0.3, 2.2)

(6)

Air duct hose

(14) Gasket

T2: 5.5 (0.6, 4.1)

(7)

PCV pipe

(15) Intercooler duct

T3: 16 (1.6, 11.8)

(8)

Air by-pass valve

T3

T3

T3

(3)

(5)

(6)

(5)

(8)

(9)

(10)

(11)

(1)

(4)

IN-03500

(14)

(14)

T3

T2

(7)

T3

(13)

(12)

(2)

T1

T1

(16)

T1

T1

(16)

(17)

(15)

T3

T3

IN(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: 16 (1.6, 11.8)

(4)

Water pipe

(12) Turbocharger stay LH

T3: 20 (2.0, 14.8)

(5)

Clip

(13) Gasket

T4: 23 (2.3, 17.0)

(6)

Engine coolant hose

(14) Union bolt A

T5: 33 (3.4, 24.3)

(7)

Gasket

(15) Union bolt B

(8)

Oil outlet pipe

IN-02946

T2

T3

(1)

(13)

(3)

(12)

(11)

T5

T1

(8)

(9)

(7)

(10)

(9)

(14)

(5)

T4

(4)

(6)

(2)

(2)

(2)

(2)

(15)