mini Workshop Repair Guides

Mini Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 5093 > < Diagram Information and Instructions|Page 5091
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Knock Sensor: Service and Repair

12 14 600 - Replacing knock sensor

Necessary preliminary tasks:

-

Switch off ignition

-

Read out fault memory of DME control unit

-

Check stored fault messages

Note:

R50 only:
Remove intake air manifold See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair.
R53 only:
Remove exhaust turbocharger.

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.

Observe position of knock sensor in relation to engine block. 
At angle of 20° to the perpendicular.

Diagram Information and Instructions|Page 5093 > < Diagram Information and Instructions|Page 5091