Subaru 2012 Forester User manual
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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