Removing the knock sensor Renault Sandero 1.6 (16V)

We remove the sensor for inspection and replacement, as well as when repairing the engine.
Remove the fuel rail cover. We remove the wiring harnesses from the installation site of the knock sensor. 

By pressing the wire clamp of the engine control harness block ... 

... disconnect the block from the sensor connector. 

Using a 24mm socket wrench, unscrew and remove the knock sensor. 

Before installing the sensor, we clean its installation site on the cylinder block. Install the knock sensor in reverse order and tighten the sensor to the specified torque. 

Source: http://wiki.zr.ru/159-2_%D0%A0%D0%B5%D0%BC%D0%BE%D0%BD%D1%82_Stepway