Subaru Legacy IV (2008 year). Service manual - part 246

EC(H4DOTC)-4

General Description

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

C: PREPARATION TOOL

1. SPECIAL TOOL

ILLUSTRATION

TOOL NUMBER

DESCRIPTION

REMARKS

18353AA000

CLAMP PLIER

• Used for removing and installing the PCV 
hose.
• This is a general tool made by the French 
company CAILLAU. (code) 54.0.000.205
To make this easier to obtain, it has been pro-
vided with a tool number.

ST18353AA000

EC(H4DOTC)-5

Front Catalytic Converter

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

2. Front Catalytic Converter

A: REMOVAL

The front catalytic converter is integrated into the
center exhaust pipe (front). Refer to “Center Ex-
haust Pipe” for removal procedures. 
<Ref. to EX(H4DOTC)-7, REMOVAL, Center Ex-
haust Pipe.>

B: INSTALLATION

The front catalytic converter is integrated into the
center exhaust pipe (front). Refer to “Center Ex-
haust Pipe” for installation procedures. 
<Ref. to EX(H4DOTC)-9, INSTALLATION, Center
Exhaust Pipe.>

C: INSPECTION

1) Check the connections and welds for exhaust
leaks.
2) Make sure there are no holes or rusting.

EC(H4DOTC)-6

Rear Catalytic Converter

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

3. Rear Catalytic Converter

A: REMOVAL

The rear catalytic converter is integrated into the
center exhaust pipe (rear). Refer to “Center Ex-
haust Pipe” for removal procedures. 
<Ref. to EX(H4DOTC)-7, REMOVAL, Center Ex-
haust Pipe.>

B: INSTALLATION

The rear catalytic converter is integrated into the
center exhaust pipe (rear). Refer to “Center Ex-
haust Pipe” for installation procedures. 
<Ref. to EX(H4DOTC)-9, INSTALLATION, Center
Exhaust Pipe.>

C: INSPECTION

1) Check the connections and welds for exhaust
leaks.
2) Make sure there are no holes or rusting.

EC(H4DOTC)-7

Canister

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

4. Canister

A: REMOVAL

1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.

3) Lift up the vehicle.
4) Remove the rear wheel LH.
5) Remove the rear mud guard LH. <Ref. to EI-29,
REAR MUD GUARD, REMOVAL, Mud Guard.>
6) Disconnect quick connector (A).
7) Disconnect the drain valve connector (B).
8) Remove clip (C).

9) Remove the canister from body.

IN-00203

EC-02079

(A)

(A)

(C)

(B)

EC-02080