Subaru 2012 Forester Manuale utente

This service manual has been prepared

to provide SUBARU service personnel

with the necessary information and data

for the correct maintenance and repair of

SUBARU vehicles.

This manual includes the procedures for

maintenance, disassembling, reassem-

bling, inspection and adjustment of com-

ponents and diagnostics for guidance of

experienced mechanics.

Please peruse and utilize this manual

fully to ensure complete repair work for

satisfying our customers by keeping their

vehicle in optimum condition. When

replacement of parts during repair work is

needed, be sure to use SUBARU genu-

ine parts.

All information, illustration and specifica-

tions contained in this manual are based

on the latest product information avail-

able at the time of publication approval.

FUJI HEAVY INDUSTRIES LTD.

2001 FORESTER SERVICE MANUAL QUICK REFERENCE INDEX

ENGINE2 SECTION

G8050GE3

EMISSION CONTROL (AUX. EMISSION

CONTROL DEVICES)

EC(SOHCw/oOBD)

Page

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

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

3. Canister.......................................................................................................6

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

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

1. General Description S160001

A: CAUTION S160001A03

쐌Wear working clothing, including a cap, protec-

tive goggles, and protective shoes during opera-

tion.

쐌Remove contamination including dirt and corro-

sion before removal, installation or disassembly.

쐌Keep the disassembled parts in order and pro-

tect them from dust or dirt.

쐌Before removal, installation or disassembly, be

sure to clarify the failure. Avoid unnecessary

removal, installation, disassembly, and replace-

ment.

쐌Be careful not to burn your hands, because each

part on the vehicle is hot after running.

쐌Be sure to tighten fasteners including bolts and

nuts to the specified torque.

쐌Place shop jacks or safety stands at the speci-

fied points.

쐌Before disconnecting electrical connectors of

sensors or units, be sure to disconnect negative

terminal from battery.

EC(SOHCw/oOBD)-2

GENERAL DESCRIPTION

Emission Control (Aux. Emission Control Devices)

2. Front Catalytic Converter S160017

A: REMOVAL S160017A18

1) Set the vehicle on the lift.

2) Disconnect battery ground cable.

G6M0095

3) Disconnect front oxygen sensor connector.

B2M1979

4) Lift-up the vehicle.

5) Remove under cover.

6) Separate center exhaust pipe from rear

exhaust pipe.

CAUTION:

Be careful, exhaust pipe is hot.

S2M0558

7) Remove bolts which hold front exhaust pipe

onto cylinder heads.

B2M3200

8) Remove front exhaust pipe and center exhaust

pipe from hanger bracket.

CAUTION:

Be careful not to pull down front exhaust pipe

and center exhaust pipe.

B2M3111

9) Separate front catalytic converter from front

exhaust pipe.

S2M0923

EC(SOHCw/oOBD)-3

FRONT CATALYTIC CONVERTER

Emission Control (Aux. Emission Control Devices)

B: INSTALLATION S160017A11

CAUTION:

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)

S2M0923

2) Install front exhaust pipe and center exhaust

pipe. And temporarily tighten bolt which installs

center exhaust pipe to hanger bracket.

B2M3111

3) Tighten bolts which hold front exhaust pipe onto

cylinder heads.

Tightening torque:

30 N·m (3.1 kgf-m, 22.4 ft-lb)

B2M3200

4) Install center exhaust pipe to rear exhaust pipe.

Tightening torque:

18 N·m (1.8 kgf-m, 13.0 ft-lb)

S2M0558

5) Tighten bolt which holds center exhaust pipe to

hanger bracket.

Tightening torque:

35 N·m (3.6 kgf-m, 26.0 ft-lb)

B2M3111

6) Install under cover.

7) Lower the vehicle.

8) Connect front oxygen sensor connector.

B2M1979

EC(SOHCw/oOBD)-4

FRONT CATALYTIC CONVERTER

Emission Control (Aux. Emission Control Devices)

9) Connect battery ground cable.

G6M0095

C: INSPECTION S160017A10

1) Make sure there are no exhaust leaks from con-

nections and welds.

2) Make sure there are no holes or rusting.

EC(SOHCw/oOBD)-5

FRONT CATALYTIC CONVERTER

Emission Control (Aux. Emission Control Devices)

3. Canister S160037

A: REMOVAL S160037A18

1) Remove air intake duct as a unit.

S6M0353

2) Disconnect canister hoses from evaporation

pipes.

3) Remove canister with bracket.

S2M0574

B: INSTALLATION S160037A11

Install in the reverse order of removal.

CAUTION:

Insert air vent hose of canister into the hole on

body.

C: INSPECTION S160037A10

Make sure the canister and canister hoses are not

cracked or loose.

EC(SOHCw/oOBD)-6

CANISTER

Emission Control (Aux. Emission Control Devices)

4. Purge Control Solenoid

Valve S160035

A: REMOVAL S160035A18

1) Disconnect battery ground cable.

G6M0095

2) Remove bolt which installs purge control sole-

noid valve onto intake manifold.

S2M1198

3) Take out purge control solenoid valve through

the bottom of the intake manifold.

4) Disconnect connector and hoses from purge

control solenoid valve.

H2M2986

B: INSTALLATION S160035A11

Install in the reverse order of removal.

Tightening torque:

16 N·m (1.6 kgf-m, 11.6 ft-lb)

S2M1198

CAUTION:

Carefully connect the evaporation hoses.

B2M1893B

(A) To fuel pipe

(B) To intake manifold

C: INSPECTION S160035A10

Make sure hoses are not cracked or loose.

EC(SOHCw/oOBD)-7

PURGE CONTROL SOLENOID VALVE

Emission Control (Aux. Emission Control Devices)

5. Two-way Valve S160707

A: REMOVAL S160707A18

Disconnect hoses from two-way valve, and remove

it.

S2M0578

B: INSTALLATION S160707A11

Install in the reverse order of removal.

C: INSPECTION S160707A10

Make sure that hoses are not cracked or loose.

EC(SOHCw/oOBD)-8

TWO-WAY VALVE

Emission Control (Aux. Emission Control Devices)

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