12 14 600 Replacing knock sensor
WARNING: This page is about a different variant/trim than selected.
Necessary preliminary tasks:
- Switch off ignition
- Read out fault memory of DME control unit
- Check stored fault messages
NOTE:
Remove exhaust turbocharger. Refer to 11 65 035 REMOVING AND INSTALLING/REPLACING SUPERCHARGER
.
Unlock and disconnect knock sensor plug connection.
Release knock sensor screw, remove knock sensor (1).
Installation:
Clean contact surface of knock sensors.
Tightening torque 12 14 1AZ. Refer to ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .
Observe position of knock sensor in relation to engine block.
At angle of 20° to the perpendicular.
NOTE:
Now clear the fault memory.