Knock sensor - removal and refitting

Removal
1 The knock sensor is screwed into the cylinder block, near the oil filter (see illustration).

15.1 Knock sensor location - 1.4 CFI engine
15.1 Knock sensor location - 1.4 CFI engine

A Knock sensor
B Wiring plug
C Securing bolt

2 Disconnect the battery negative lead.

3 Disconnect the sensor wiring plug by depressing the plug locking lugs and pulling the plug from the sensor. Do not pull on the wiring.

4 Unscrew the securing bolt and withdraw the sensor from the cylinder block.

Refitting
5 Refitting is a reversal of removal, but ensure that the mating faces of the sensor and cylinder block are clean.

    See also:

    Wheel sensor (ABS) - removal and refitting
    Note: A new O-ring must be used when refitting a sensor. Front wheel sensor 1 Apply the handbrake, loosen the relevant front roadwheel nuts, then jack up the front of the vehicle and support on a ...

    Integral heated rear window/radio aerial amplifier - removal and refitting
    1 Disconnect the battery negative lead. Saloon models 2 Remove both rear seat side cushions. 3 Remove the securing screws and withdraw the rear parcel shelf. 4 Make a note of the wiring connectio ...

    Rear coil spring (Saloon, Hatchback and Estate models) - removal and refitting
    Models with rear drum brakes 1 Remove the relevant driveshaft. 2 Unscrew the brake pipe from the brake hose at the bracket on the vehicle underbody. Plug the ends of the pipe and hose to prevent ...