Subaru Legacy III (2000-2003 year). Service 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
General Description . . . . . . . . . . . . . . . . . . . . . 2
Front Catalytic Converter . . . . . . . . . . . . . . . . . . . 3
Rear Catalytic Converter . . . . . . . . . . . . . . . . . . . .4
EGR Valve . . . . . . . . . . . . . . . . . . . . . . . . ..5
Canister. . . . . . . . . . . . . . . . . . . . . . . . . ...6
Purge Control Solenoid Valve . . . . . . . . . . . . . . . . . .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
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