torque SUBARU FORESTER 2004 Service Repair Manual

FU(H4SO)-28
FUEL INJECTION (FUEL SYSTEM)
Knock Sensor
7. Knock Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the air cleaner case. IN(H4SO)-6, REMOVAL, Air Cleaner Case.>
3) Disconnect the knock sensor connector.
4) Remove the knock sensor from the cylinder
block.
B: INSTALLATION
1) Install the knock sensor to the cylinder block.
Tightening torque:
24 N
⋅m (2.4 kgf-m, 17.4 ft-lb)
NOTE:
The extraction area of the knock sensor cord must
be positioned at a 60° angle relative to the engine
rear.
2) Connect the knock sensor connector.
3) Install the air cleaner case.
Case.>
4) Connect the battery ground cable to battery.
FU-00009
FU-00062
FU-00519
(A) Front side
FU-00413
(A)
60
FU-00062
FU-00009

FU(H4SO)-29
FUEL INJECTION (FUEL SYSTEM)
Throttle Position Sensor
8. Throttle Position Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from the throttle posi-
tion sensor.
3) Remove the throttle position sensor holding
screws, and remove it.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
1.6 N
⋅m (0.16 kgf-m, 1.2 ft-lb)
CAUTION:
When installing throttle position sensor, adjust
to the specified data.
C: ADJUSTMENT
1) Turn the ignition switch to OFF.
2) Loosen the throttle position sensor holding
screws.
3) When using voltage meter;
(1) Take out the ECM.
(2) Turn the ignition switch to ON.
(3) Adjust the throttle position sensor to the
proper position to allow the voltage signal to the
ECM to be in specification.
Connector & terminal / Specified voltage
(B135) No. 13 (+) — (B135) No. 19 (
−) / 0.45 —
0.55 V
[Fully closed.]
FU-00009
FU-00289
FU-00290
FU-00290
FU-00291
FU-00520
4
1 526
18 1516
7
891011
17
19
20121314
B135
3
2122232425262728

FU(H4SO)-30
FUEL INJECTION (FUEL SYSTEM)
Throttle Position Sensor
(4) Tighten the throttle position sensor holding
screws.
Tightening torque:
1.6 N
⋅m (0.16 kgf-m, 1.2 ft-lb)
4) When using Subaru Select Monitor;
(1) Turn the ignition switch to OFF.
(2) Loosen the throttle position sensor holding
screws.
NOTE:
For detailed operation procedures, refer to the
SUBARU SELECT MONITOR OPERATION MAN-
UAL.
(3) Insert the cartridge to the Subaru Select
Monitor.(4) Connect the Subaru Select Monitor to the
data link connector.
5) Turn the ignition switch to ON, and the Subaru
Select Monitor switch to ON.
6) Select the {2. Each System Check} in Main
Menu.
7) Select the {Engine Control System} in Selection
Menu.
8) Select the {1. Current Data Display & Save} in
Engine Control System Diagnosis.
9) Select the {1.12 Data Display} in Data Display
Menu.
10) Adjust the throttle position sensor to the proper
position to match with the following specifications.
Condition: Throttle fully closed
Throttle opening angle 0.00%
Throttle sensor voltage 0.50 V
11) Tighten the throttle position sensor holding
screws.
Tightening torque:
1.6 N
⋅m (0.16 kgf-m, 1.2 ft-lb)
FU-00291
FU-00291
FU-00293
ST
ME-00325
FU-00291

FU(H4SO)-31
FUEL INJECTION (FUEL SYSTEM)
Manifold Absolute Pressure Sensor
9. Manifold Absolute Pressure
Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from the manifold ab-
solute pressure sensor.
3) Remove the manifold absolute pressure sensor.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
1.6 N
⋅m (0.16 kgf-m, 1.2 ft-lb)
NOTE:
Replace the O-ring with a new one.
FU-00009
FU-00294
FU-00295
FU-00295
FU-00296

FU(H4SO)-33
FUEL INJECTION (FUEL SYSTEM)
Idle Air Control Solenoid Valve
11.Idle Air Control Solenoid
Valve
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from the idle air con-
trol solenoid valve.
3) Remove the idle air control solenoid valve from
the throttle body.
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
Always use new gasket.
Tightening torque:
1.6 N
⋅m (0.16 kgf-m, 1.2 ft-lb)
FU-00009
FU-00298
FU-00299
FU-00299

FU(H4SO)-34
FUEL INJECTION (FUEL SYSTEM)
EGR Valve
12.EGR Valve
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from EGR valve.
3) Remove the EGR valve from intake manifold.
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
For tightening torque, refer to “COMPONENT”. to FU(H4SO)-3, COMPONENT, General Descrip-
tion.>
FU-00009
FU-01246
FU-01247

FU(H4SO)-38
FUEL INJECTION (FUEL SYSTEM)
Fuel Injector
12) Remove the bolt which holds the injector pipe
to the intake manifold.
13) Remove the bolt which holds the fuel pipe on
the left side intake manifold.
14) Remove the fuel injector from the intake mani-
fold.
(1) Remove the fuel injector securing clip.
(2) Remove the fuel injector while lifting up the
fuel injector pipe.B: INSTALLATION
1. RH SIDE
Install in the reverse order of removal.
NOTE:
Replace O-rings with new ones.
Tightening torque:
5 N
⋅m (0.5 kgf-m, 3.7 ft-lb)
Tightening torque:
19 N
⋅m (1.9 kgf-m, 13.7 ft-lb)
FU-00309
FU-00170
FU-00312
FU-00313
(A) O-ring
(B) Fuel injector
FU-02097
(A)
(A)(B)
FU-00314
FU-00284

FU(H4SO)-39
FUEL INJECTION (FUEL SYSTEM)
Fuel Injector
Tightening torque:
19 N
⋅m (1.9 kgf-m, 13.7 ft-lb)
Tightening torque:
33 N
⋅m (3.4 kgf-m, 24.3 ft-lb)
2. LH SIDE
Install in the reverse order of removal.
CAUTION:
Replace O-rings with new ones.Tightening torque:
5 N
⋅m (0.5 kgf-m, 3.7 ft-lb)
Tightening torque:
19 N
⋅m (1.9 kgf-m, 13.7 ft-lb)
Tightening torque:
19 N
⋅m (1.9 kgf-m, 13.7 ft-lb)
(A) O-ring
(B) Fuel injector
FU-00267
IN-00044
FU-02097
(A)
(A)(B)
FU-00170
FU-00309
FU-00266

FU(H4SO)-40
FUEL INJECTION (FUEL SYSTEM)
Front Oxygen (A/F) Sensor
14.Front Oxygen (A/F) Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from engine hanger,
and then disconnect the connector from front oxy-
gen (A/F) sensor.
3) Lift-up the vehicle.
4) Apply SUBARU CRC or its equivalent to the
threaded portion of front oxygen (A/F) sensor, and
leave it for one minute or more.
SUBARU CRC (Part No. 004301003)
5) Remove the front oxygen (A/F) sensor.
CAUTION:
When removing the oxygen (A/F) sensor, wait
until exhaust pipe cools, otherwise it will dam-
age exhaust pipe.
B: INSTALLATION
1) Before installing front oxygen (A/F) sensor, ap-
ply the anti-seize compound only to the threaded
portion of front oxygen (A/F) sensor to make the
next removal easier.
Anti-seize compound:
SS-30 JET LUBE
CAUTION:
Never apply anti-seize compound to protector
of front oxygen (A/F) sensor.
2) Install the front oxygen (A/F) sensor.
Tightening torque:
21 N
⋅m (2.1 kgf-m, 15.2 ft-lb)
3) Lower the vehicle.
4) Connect the connector to front oxygen (A/F)
sensor, and then connect the connector to engine
hanger.
FU-00009
EX-00029
FU-00195
FU-00196
FU-00195
EX-00029

FU(H4SO)-42
FUEL INJECTION (FUEL SYSTEM)
Rear Oxygen Sensor
15.Rear Oxygen Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Lift-up the vehicle.
3) Disconnect the connector from the rear oxygen
sensor.
4) Apply SUBARU CRC or its equivalent to the
threaded portion of rear oxygen sensor, and leave
it for one minute or more.
SUBARU CRC (Part No. 004301003)
5) Remove the rear oxygen sensor.
CAUTION:
When removing the oxygen sensor, wait until
exhaust pipe cools, otherwise it will damage ex-
haust pipe.
B: INSTALLATION
1) Before installing rear oxygen sensor, apply the
anti-seize compound only to the threaded portion of
rear oxygen sensor to make the next removal eas-
ier.
Anti-seize compound:
SS-30 JET LUBE
CAUTION:
Never apply anti-seize compound to protector
of rear oxygen sensor.
2) Install the rear oxygen sensor.
Tightening torque:
21 N
⋅m (2.1 kgf-m, 15.2 ft-lb)
3) Connect the connector to the rear oxygen sen-
sor.
4) Lower the vehicle.
FU-00009
EX-00030
FU-00198
FU-00199
FU-00198
EX-00030