Cooling, heating and ventilation systems

The cooling system is of the pressurised pump-assisted thermo-syphon type. The system consists of the radiator, water pump, thermostat, electric cooling fan, expansion tank and associated hoses.

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Radiator fan thermal switch - testing, removal and refitting
Testing 1 The thermal switch is located on the side of the thermostat housing on early OHV engine models and in the thermostat housing cover on later OHV versions. On all CVH engines, the switch ...

Headlamp unit - removal and refitting
1 Disconnect the battery negative lead. 2 Remove the radiator grille panel. Models up to 1987 3 Disconnect the headlamp wiring plug(s) see illustration). 41.3 Disconnect the headlamp wiring plu ...

Inlet manifold - removal and refitting
SOHC models Removal 1 Disconnect the battery negative lead. 2 Partially drain the cooling system. 3 Remove the air cleaner. 4 Disconnect the coolant hoses from the automatic choke (where applica ...