Subaru Legacy IV (2008 year). Service manual — part 45
EC(H4SO)-2
General Description
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
1. General Description
A: 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
battery.
B: PREPARATION TOOL
1. SPECIAL TOOL
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
18353AA000
CLAMP PLIERS
• 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(H4SO)-3
Front Catalytic Converter
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
2. Front Catalytic Converter
A: REMOVAL
The front catalytic converter is integrated into the
front exhaust pipe; therefore, refer to “Front Ex-
haust Pipe” for the removal procedure. <Ref. to
EX(H4SO)-4, REMOVAL, Front Exhaust Pipe.>
B: INSTALLATION
The front catalytic converter is integrated into the
front exhaust pipe; therefore, refer to “Front Ex-
haust Pipe” for the installation procedure. <Ref. to
EX(H4SO)-5, INSTALLATION, Front Exhaust
Pipe.>
C: INSPECTION
1) Check the connections and welds for exhaust
leaks.
2) Check for hole or rust.
EC(H4SO)-4
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; therefore, refer to “Center Ex-
haust Pipe” for the removal procedure. <Ref. to
EX(H4SO)-7, REMOVAL, Center Exhaust Pipe.>
B: INSTALLATION
The rear catalytic converter is integrated into the
center exhaust pipe; therefore, refer to “Center Ex-
haust Pipe” for the installation procedure. <Ref. to
EX(H4SO)-7, INSTALLATION, Center Exhaust
Pipe.>
C: INSPECTION
1) Check the connections and welds for exhaust
leaks.
2) Check for hole or rust.
EC(H4SO)-5
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
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