Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 150

EC(w/o STI)-33

Secondary Air Combination Valve

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

3) Check that air does not come out from (B) when

air is blown into (A).

4) Connect the battery positive terminal to the ter-

minal No. 6 and the battery negative terminal to the

terminal No. 4. Check that air is discharged from

(B), when supplying air to (A).

3. OTHER INSPECTIONS

1) Check that the secondary air pipe has no defor-

mation, cracks or other damages.

2) Check that the air duct has no cracks, damage

or loose part.

EC-02436

(A)

(B)

3

1

6 5 4

2

EC-02437

(A)

(B)

EC(w/o STI)-34

Secondary Air Combination Valve

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

INTAKE (INDUCTION)

IN(w/o STI)

Page

1.

General Description . . . . . . . . . . . . . . . . . . . . ...2

2.

Air Cleaner Element . . . . . . . . . . . . . . . . . . . . ...7

3.

Air Cleaner Case . . . . . . . . . . . . . . . . . . . . . . 8

4.

Air Intake Duct . . . . . . . . . . . . . . . . . . . . . . ..10

5.

Intake Duct . . . . . . . . . . . . . . . . . . . . . . . ...11

6.

Intercooler . . . . . . . . . . . . . . . . . . . . . . . . 12

7.

Turbocharger . . . . . . . . . . . . . . . . . . . . . . . 14

8.

Air By-pass Valve . . . . . . . . . . . . . . . . . . . . . .18

IN(w/o STI)-2

General Description

INTAKE (INDUCTION)

1. General Description

A: COMPONENT

1. AIR CLEANER

(1)

Mass air flow and intake air tem-
perature sensor

(7)

Air cleaner case (front)

Tightening torque: N·m (kgf-m, ft-lb)

(2)

Air cleaner case (rear)

(8)

Air intake duct

T1: 1 (0.1, 0.7)

(3)

Clip

(9)

Clip

T2: 2.5 (0.3, 1.8)

(4)

Air intake boot

(10) Cushion

T3: 6 (0.6, 4.4)

(5)

Clamp

(11) Spacer

T4: 7.5 (0.8, 5.5)

(6)

Air cleaner element

(12) Cushion

(6)

(8)

(7)

(4)

(3)

(3)

(2)

(1)

(5)

(5)

(9)

(11)

(12)

IN-02932

(10)

T3

T4

T1

T2

T2