Subaru Legacy 2003 Service Manual page 957

FUEL INJECTION (FUEL SYSTEMS)
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.
10˚
30˚
2) Connect knock sensor connector.
3) Install intake manifold. <Ref. to FU(H6DO)-20,
INSTALLATION, Intake Manifold.>
KNOCK SENSOR
FU-00009
FU-00577
45˚
Fromt side
FU-00578
4) Connect battery ground cable.
FU(H6DO)-32
FU-00009