Subaru Legacy III (2000-2003 year). Manual - part 192

EC(H4SOw/oOBD)-4

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

FRONT CATALYTIC CONVERTER

B: INSTALLATION

NOTE:
Replace gaskets with new ones.
1) Install front catalytic converter to front exhaust
pipe.

Tightening torque:

30 N·m (3.1 kgf-m, 22.4 ft-lb)

2) Install front and center exhaust pipe assembly to
the vehicle. And temporarily tighten bolt which in-
stalls center exhaust pipe to hanger bracket.

3) Tighten nuts which hold front exhaust pipe onto
cylinder heads.

Tightening torque:

30 N·m (3.1 kgf-m, 22.4 ft-lb)

4) Tighten bolts which secure front and center ex-
haust pipe assembly to rear exhaust pipe.

Tightening torque:

18 N·m (1.8 kgf-m, 13.0 ft-lb)

5) Tighten bolt which holds front and center ex-
haust pipe assembly to hanger bracket.

Tightening torque:

35 N·m (3.6 kgf-m, 26.0 ft-lb)

6) Install under cover.
<Ref. to EI-13, INSTALLATION, Front Under Cov-
er.>
7) Lower the vehicle.
8) Connect front oxygen sensor connector. (With
catalytic converter)

EX-00050

EX-00049

EX-00102

FU-00455

EX-00049

EX-00101

EC(H4SOw/oOBD)-5

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

FRONT CATALYTIC CONVERTER

9) Connect battery ground cable.

C: INSPECTION

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

FU-00009

EC(H4SOw/oOBD)-6

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

REAR CATALYTIC CONVERTER

3. Rear Catalytic Converter

A: REMOVAL

The front and rear catalytic converter and center
exhaust pipe are integrated into one unit. There-
fore, the removal and installation procedures are
the same as the those for the front catalytic con-
verter. <Ref. to EC(H4SOw/oOBD)-3, REMOVAL,
Front Catalytic Converter.>

B: INSTALLATION

The front and rear catalytic converter and center
exhaust pipe are integrated into one unit. There-
fore, the removal and installation procedures are
the same as the ones described under front catalyt-
ic converter. <Ref. to EC(H4SOw/oOBD)-4, IN-
STALLATION, Front Catalytic Converter.>

C: INSPECTION

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

(A) Front catalytic converter

(B) Rear catalytic converter

(A) Front catalytic converter

(B) Rear catalytic converter

EC-00142

( A )

( B )

EC-00142

( A )

( B )

EC(H4SOw/oOBD)-7

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)

CANISTER

4. Canister

A: REMOVAL

1) Lift-up the vehicle.
2) Disconnect canister hoses from canister.

3) Remove canister from body.

B: INSTALLATION

Install in the reverse order of removal.

Tightening torque:

7.4

±±±±

2.0 N·m (0.75

±±±±

0.2 kgf-m, 5.4

±±±±

1.4 ft-lb)

CAUTION:
Insert drain hose of canister into the hole on 
body.

C: INSPECTION

Make sure the canister and canister hoses are not
cracked or loose.

EC-00144

EC-00145

EC-00146

EC-00146

EC-00144