Subaru Legacy III (2000-2003 year). Service manual — part 237
FU(H6DO)-32
FUEL INJECTION (FUEL SYSTEMS)
KNOCK SENSOR
7. Knock Sensor
A: REMOVAL
1) Disconnect battery ground cable from battery
ground terminal.
2) Remove intake manifold.
<Ref. to FU(H6DO)-17, REMOVAL, Intake Mani-
fold.>
3) Disconnect knock sensor connector.
4) Remove knock sensor from cylinder block.
B: INSTALLATION
1) Install knock sensor to cylinder block.
Tightening torque:
25 N·m (2.5 kgf-m, 18 ft-lb)
NOTE:
For the knock sensor's installation angle, refer to
the figure below.
2) Connect knock sensor connector.
3) Install intake manifold. <Ref. to FU(H6DO)-20,
INSTALLATION, Intake Manifold.>
4) Connect battery ground cable.
FU-00009
FU-00577
FU-00578
45˚
30˚
10˚
Fromt side
FU-00009
FU(H6DO)-33
FUEL INJECTION (FUEL SYSTEMS)
THROTTLE POSITION SENSOR
8. Throttle Position Sensor
A: REMOVAL
1) Disconnect battery ground cable.
2) Remove air intake chamber. <Ref. to IN(H6DO)-
6, REMOVAL, Air Intake Chamber.>
3) Disconnect connector from throttle position sen-
sor.
4) Remove throttle position sensor holding screws,
and remove throttle position sensor itself.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
1.6 N·m (0.16 kgf-m, 1.2 ft-lb)
FU-00535
FU-00538
FU-00538
FU(H6DO)-34
FUEL INJECTION (FUEL SYSTEMS)
INTAKE MANIFOLD PRESSURE SENSOR
9. Intake Manifold Pressure
Sensor
A: REMOVAL
1) Disconnect battery ground cable.
2) Disconnect connector from intake manifold pres-
sure sensor.
3) Remove intake manifold pressure sensor from
throttle body.
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
Replace gasket with new one.
Tightening torque:
1.6 N·m (0.16 kgf-m, 1.2 ft-lb)
FU-00535
FU-00580
FU-00580
FU(H6DO)-35
FUEL INJECTION (FUEL SYSTEMS)
INTAKE AIR TEMPERATURE SENSOR
10.Intake Air Temperature Sen-
sor
A: REMOVAL
1) Disconnect battery ground cable.
2) Disconnect connector from intake air tempera-
ture sensor.
3) Remove intake air temperature sensor from air
intake chamber.
B: INSTALLATION
Install in the reverse order of removal.
FU-00535
IN-00069
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