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:

    Fuel tank - removal and refitting
    The procedure is as described in Part A of this Chapter for carburettor engines. ...

    EEC IV module - removal and refitting
    The procedure is as described in Part C of this Chapter for models with the CFI system. ...

    Coolant pump - removal and refitting
    1 Disconnect the battery negative lead. 2 Drain the cooling system. 3 Proceed as follows according to model: SOHC models 4 Disconnect the heater and radiator bottom hoses from the coolant pump. ...