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.
See also:
Ignition timing - adjustment for use with unleaded petrol
Note: Refer to the Specifications Section at
the beginning of this Chapter for ignition
timing values for use with unleaded petrol.
1 To run an engine on unleaded petrol,
certain criteria must be ...
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 ...
Air cleaner air temperature control - description and testing
Thermostatically-controlled air
cleaner
1 On all pre-1986 models and certain models
from 1986 onwards, the air cleaner is
thermostatically-controlled by a vacuum
operated system to provide air at ...
