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:

    Roadwheel check (Every 12 000 miles or 12 months)
    Check the wheel rims for distortion, damage and excessive run-out. Also make sure that the balance weights are secure with no obvious signs that any are missing. Check the torque of the wheel bolt ...

    Rear seat catch - removal and refitting
    Saloon models 1 Working in the luggage compartment, release the seat catch by pulling the release knob, or if the cable is broken, use a screwdriver to release the catch itself. 2 Fold the backre ...

    Turbocharger-to-manifold nut check - RS Turbo models (Every 12 000 miles or 12 months)
    Check the tightness of the turbocharger-toexhaust manifold securing nuts using a torque wrench. ...