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:

    Exhaust system check (Every 12 000 miles or 12 months)
    With the vehicle raised on a hoist or supported on axle stands (see “Jacking and Vehicle Support”), check the exhaust system for signs of leaks, corrosion or damage and check the rubber mountings ...

    Seat belt check (Every 6000 miles or 6 months)
    1 Periodically check the belts for fraying or other damage. If evident, renew the belt. 2 If the belts become dirty, wipe them with a damp cloth using a little detergent only. 3 Check the tightnes ...

    Automatic transmission selector mechanism check (Every 12 000 miles or 12 months)
    Carry out a thorough road test, ensuring that all gearchanges occur smoothly without snatching, and without an increase in engine speed between changes. Check that all gear positions can be engage ...