300Tdi Discovery
19
FUEL SYSTEM
10
REPAIR
KNOCK SENSOR
Service repair no - 18.30.28 - Sensor - LH
Service repair no - 18.30.30 - Sensor - RH
CAUTION: Due to the sensitivity of the
sensors, do not apply tape or sealant to
sensor threads.
Remove
1. Raise vehicle on ramp.
2. RH Sensor only: Remove bolt securing starter
motor heatshield to RH engine mounting.
3. Release heatshield clip from starter solenoid.
4. Move heatshield aside for access to knock
sensor.
5. Both sensors:
Disconnect sensor multiplug.
6. Remove sensor.
Refit
7. Clean sensor and mating face.
8. Fit sensor. Tighten to
16 Nm.
9. Connect sensor multiplug.
10. RH Sensor only: Manoeuvre heatshield into
position.
11. Secure clip to solenoid.
12. Align bracket to mounting and fit bolt. Fit and
tighten bolt.
13. Lower ramp.
CAUTION: Failure to tighten sensor to
correct torque will result in malfunction or
sensor damage.
