Thermo-time switch - removal and refitting

Removal
1 Disconnect the battery negative lead.

2 Drain the cooling system as described in Chapter 1.

3 Raise the front of the car and support it on axle stands (see “Jacking and Vehicle Support”).

4 Disconnect the wiring multi-plug from the thermo-time switch located on the inlet manifold intermediate flange and accessible from under the car (see illustration).

18.4 Thermo-time switch (A) and temperature sensor (B) on the KE-Jetronic
18.4 Thermo-time switch (A) and temperature sensor (B) on the KE-Jetronic system (viewed from under the car)

5 Unscrew the unit and remove it from its location.

Refitting
6 Refitting is a reversal of removal. Refill the cooling system as described in Chapter 1.

    See also:

    Cylinder head - removal and refitting
    Removal Note: On HCS engines, cylinder head bolts may be used a total of three times (including initial fit) and must be suitably marked to indicate each removal operation. A new cylinder head ga ...

    Crankshaft and main bearings - removal and refitting
    Note: A new crankshaft rear oil seal and a new rear oil seal housing gasket should be used on refitting. Removal 1 With the engine removed from the vehicle, remove the timing chain and crankshaft ...

    Rear axle tube (Van models) - removal and refitting
    Removal 1 Raise the rear of the vehicle and support it on stands (see “Jacking and Vehicle Support”). Remove the rear roadwheels. 2 Support the axle tube on a jack preferably of trolley type. 3 ...