Subaru Impreza 2002 Service Manual page 817

FUEL INJECTION (FUEL SYSTEMS)
7. Knock Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the air cleaner case.
3) Disconnect the knock sensor connector.
4) Remove the knock sensor from cylinder block.
KNOCK SENSOR
B: INSTALLATION
1) Install the knock sensor to 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 engine rear.
G6M0095
2) Connect the knock sensor connector.
H2M2947
3) Install the air cleaner case.
B2M4262
4) Connect the battery ground cable to battery.
S2M1673
FU-34
H2M3511C
B2M4262
H2M2947
G6M0095