Engine Coolant Temperature (ECT) sensor - removal and refitting

Removal
1 The ECT sensor is screwed into the inlet manifold.

2 Disconnect the battery negative lead.

3 Partially drain the cooling system as described in Chapter 1.

4 Disconnect the sensor wiring plug.

5 Unscrew the sensor from the inlet manifold.

Refitting
6 Refitting is a reversal of removal, but on completion top-up the cooling system as described in “Weekly checks”.

    See also:

    Specifications
    General Engine type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Four-cylinder, in-line overhead camshaft Capacity: 1.1 litre . . . . . . . . . . ...

    Exhaust gas oxygen (HEGO) sensor (2.0 litre DOHC/1.6 & 1.8 litre (R6A type) CVH) - removal and refitting
    Note: Do not touch the tip of the HEGO sensor as this will drastically shorten its service life. Note: A new sealing ring should be used on refitting. Removal 1 Ensure that the engine and the ex ...

    Horn switch assembly - removal and refitting
    1 Disconnect the battery negative lead. Switch Models up to 1987 2 Pull the trim insert from the centre of the steering wheel, and disconnect the lead from the horn push. 3 Disconnect the two le ...