Subaru Legacy III (2000-2003 year). Manual — part 43

FU(H4SO)-74

FUEL INJECTION (FUEL SYSTEMS)

FUEL SYSTEM TROUBLE IN GENERAL

MEMO:

EMISSION CONTROL (AUX. EMISSION
CONTROL DEVICES)

EC(H4SO)

Page

1.

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

2.

Front Catalytic Converter . . . . . . . . . . . . . . . . . . . 3

3.

Rear Catalytic Converter . . . . . . . . . . . . . . . . . . . .4

4.

EGR Valve . . . . . . . . . . . . . . . . . . . . . . . . ..5

5.

Canister. . . . . . . . . . . . . . . . . . . . . . . . . ...6

6.

Purge Control Solenoid Valve . . . . . . . . . . . . . . . . . .7

7.

Two-way Valve. . . . . . . . . . . . . . . . . . . . . . . 8

EC(H4SO)-2

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

GENERAL DESCRIPTION

1. General Description

A: CAUTION

• Wear working clothing, including a cap, protec-
tive goggles, and protective shoes during opera-
tion.
• Remove contamination including dirt and corro-
sion before removal, installation or disassembly.
• Keep the disassembled parts in order and pro-
tect them from dust or dirt.
• Before removal, installation or disassembly, be
sure to clarify the failure. Avoid unnecessary re-
moval, installation, disassembly, and replacement.
• Be careful not to burn your hands, because each
part on the vehicle is hot after running.
• Be sure to tighten fasteners including bolts and
nuts to the specified torque.
• Place shop jacks or safety stands at the specified
points.
• Before disconnecting electrical connectors of
sensors or units, be sure to disconnect ground ca-
ble from battery.

EC(H4SO)-3

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

FRONT CATALYTIC CONVERTER

2. Front Catalytic Converter

A: REMOVAL

The front and rear catalytic converter and center
exhaust pipe are integrated into one unit. There-
fore, the removal procedure is the same as that for
the center exhaust pipe. <Ref. to EX(H4SO)-8, RE-
MOVAL, Center Exhaust Pipe.>

B: INSTALLATION

The front and rear catalytic converter and center
exhaust pipe are integrated into one unit. There-
fore, the installation procedure is the same as that
for the center exhaust pipe. <Ref. to EX(H4SO)-8,
INSTALLATION, Center Exhaust Pipe.>

1) Install front and center exhaust pipes. <Ref. to
EX(H4SO)-6, INSTALLATION, Front Exhaust
Pipe.>

C: INSPECTION

1) Make sure there are no exhaust leaks from con-
nections and welds.
2) Make sure there are no holes or rusting.

EC-00035

EC-00035