Subaru Impreza 2003 Service Manual page 707

7. Knock Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the air cleaner case.
<Ref. to IN(H4SO)-5, REMOVAL, 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.
NOTE:
• For tightening torque, refer to "COMPONENT".
<Ref. to FU(H4SOw/oOBD)-3, COMPONENT,
General Description.>
• Extraction area of knock sensor cord must be po-
sitioned at a 60° angle relative to engine rear.
FU-00009
2) Connect the knock sensor connector.
FU-00062
3) Install the air cleaner case.
<Ref. to IN(H4SO)-5, INSTALLATION, Air Cleaner
Case.>
4) Connect the battery ground cable to battery.
FU-00519
FU(H4SOw/oOBD)-31
FUEL INJECTION (FUEL SYSTEMS)
(A)
60
(A) Front side
FU-00413
FU-00062
FU-00009