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:

    Coolant renewal (Every 24 000 miles or 2 Years)
    Cooling system draining 1 It is preferable to drain the system when the coolant is cold. If it must be drained when hot, release the pressure cap on the thermostat housing (or expansion tank on la ...

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    Note: The correct functioning of the spark plugs is vital for the correct running and efficiency of the engine. It is essential that the plugs fitted are appropriate for the engine, and the suitabl ...

    Exhaust system - inspection, removal and refitting
    Inspection 1 The exhaust system should be examined for leaks, damage, and security at regular intervals. To do this, apply the handbrake, then start the engine and allow it to idle. Lie down on e ...