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:

    Windscreen, rear window and fixed rear quarter windows - removal and refitting
    Removal 1 With the exception of the cab rear window on P100 models, all fixed glass panels are direct glazed to the body using a special adhesive. Special tools are required to remove the old gla ...

    Sump - removal and refitting
    Note: New gaskets and sealing strips must be used on refitting. Removal 1 Disconnect the battery negative lead and drain the engine oil (see Chapter 1). 2 Refer to Chapter 5, Part A and remove th ...

    Charge air temperature sensor - removal and refitting
    Removal 1 The charge air temperature sensor is only used on KE-Jetronic systems and is located in the air inlet duct (see illustration). 17.1 Charge air temperature sensor location (arrowed) 2 ...