Engine Coolant Temperature (ECT) sensor - removal and refitting

Removal
1 The sensor is screwed into the cylinder block below the inlet manifold.

2 Disconnect the battery negative lead.

3 Drain the cooling system as described in Chapter 1.

4 Disconnect the sensor wiring plug.

5 Unscrew the sensor from the cylinder block.

Refitting
6 Refitting is a reversal of removal, but on completion refill the cooling system as described in Chapter 1.

    See also:

    Heated Exhaust Gas Oxygen (HEGO) sensor - removal and refitting
    Note: A new sealing ring will be required on refitting. Removal 1 Apply the handbrake, then jack up the front of the vehicle and support it on axle stands (see “Jacking and Vehicle Support”). 2 ...

    Arming the alarm
    To arm the alarm, lock the vehicle. See Locks. ...

    Major operations possible with the engine in the car
    The following work can be carried out without having to remove the engine: a) Cylinder head - removal and refitting. b) Valve clearances - adjustment (see Chapter 1). c) Sump - removal and refitt ...