Subaru Legacy IV (2008 year). Service manual - part 49

EC(H4SO)-18

PCV Hose Assembly

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

IN(H4SO)-2

General Description

INTAKE (INDUCTION)

1. General Description

A: COMPONENT

(19)

(18)

(15)

(10)

(11)

(12)

T1

(6)

(5)

(16)

(17)

(9)

(21)

(8)

T3

T3

T3

T2

(7)

(4)

(3)

(2)

(1)

(13)

(14)

(13)

T2

(14)

T4

T4

T4

T6

(9)

T5

(20)

IN-02263

IN(H4SO)-3

General Description

INTAKE (INDUCTION)

B: CAUTION

• Wear appropriate work clothing, including a cap,
protective goggles and protective shoes when per-
forming any work.
• Remove contamination including dirt and corro-
sion before removal, installation or disassembly.
• Keep the disassembled parts in order and pro-
tect them from dust and dirt.
• Before removal, installation or disassembly, be
sure to clarify the failure. Avoid unnecessary re-
moval, installation, disassembly and replacement.
• Vehicle components are extremely hot after driv-
ing. Be wary of receiving burns from heated parts.
• Be sure to tighten fasteners including bolts and
nuts to the specified torque.
• Place shop jacks or rigid racks at the specified
points.
• Before disconnecting connectors of sensors or
units, be sure to disconnect the ground cable from
the battery.

(1)

Air intake duct

(10)

Clamp

(21)

Mass air flow and intake air 
temperature sensor

(2)

Clip

(11)

Intake boot

(3)

Resonator chamber

(12)

Clamp

 

 

(4)

Air cleaner case (front)

(13)

Cushion

Tightening torque:N·m (kgf-m, ft-lb)

(5)

Spacer

(14)

Spacer

T1: 6 (0.6, 4.4)

(6)

Cushion

(15)

Air intake chamber

T2: 6.5 (0.7, 4.8)

(7)

Air cleaner element

(16)

Stay LH (MT model)

T3: 16 (1.6, 11.8)

(8)

Air cleaner case (rear) (with HC 
adsorption filter: U5 model and C5 
model)

(17)

Stay LH (AT model)

T4: 3 (0.3, 2.2)

(18)

Clamp

T5: 7.5 (0.8, 5.5)

(19)

Stay RH

T6: 1 (0.1, 0.7)

(9)

Clip

(20)

Cushion

  

IN(H4SO)-4

Air Cleaner Element

INTAKE (INDUCTION)

2. Air Cleaner Element

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Disconnect the connector from mass air flow and
intake air temperature sensor.

3) Loosen the clamps (A) which connect the air
cleaner case and the intake boot.
4) Remove the clip (B) securing the upper side of
air cleaner case.

5) Remove the air cleaner case (rear) and air
cleaner element.

B: INSTALLATION

Install in the reverse order of removal.

CAUTION:
Be sure to use SUBARU genuine air cleaner el-
ement depending on the engine type when re-
placing the air cleaner elements. Using other air
cleaner element may affect the engine perfor-
mance.

NOTE:
• Check that there are no foreign objects in the air
cleaner case.
• When installing the air cleaner case (rear), align
the protrusion of the air cleaner case (rear) to the
hole on the air cleaner case (front) to install.

Tightening torque:

Clamp (A):

3 N·m (0.3 kgf-m, 2.2 ft-lb)

C: INSPECTION

1) Replace if excessively damaged or dirty.
2) Replace the air cleaner case (rear) when the HC
adsorption filter is damaged. (U5 model and C5
model)

IN-00203

IN-02264

IN-02266

(A)

(B)

IN-02192

IN-02191

IN-02266

(A)

(B)