Front Catalytic Converter - Subaru LEGACY 2003 Service Manual

2. Front Catalytic Converter

A: REMOVAL
1) Set the vehicle on the lift.
2) Remove battery.
3) Remove air cleaner case and air intake duct.
<Ref. to IN(H6DO)-5, REMOVAL, Air Cleaner.>
and <Ref. to IN(H6DO)-7, REMOVAL, Air Intake
Duct.>
4) Disconnect front oxygen (A/F) sensor connec-
tors.
LH side
RH side
5) Lift-up the vehicle.
6) Remove under cover.
7) Remove front oxygen (A/F) sensor harness from
the clips attached to both right and left cylinder
head covers.
8) Disconnect connector from rear oxygen sensor
connector.
FRONT CATALYTIC CONVERTER
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
EX-00056
EX-00058
EC(H6DO)-3
9) Separate front exhaust pipe from rear exhaust
pipe.
CAUTION:
Be careful, exhaust pipe is hot.
10) Remove nuts which hold front exhaust pipe
onto cylinder heads.
RH side
11) Remove front exhaust pipe from hanger brack-
et.
CAUTION:
Be careful not to pull down front exhaust pipe.
EX-00059
LH side
EX-00060
EX-00061