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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Air Charge Temperature (ACT) sensor - removal and refitting
Removal 1 The air charge temperature sensor is screwed into the inlet manifold (see illustration). 14.1 Air charge temperature sensor - 1.6 EFI engine A Wiring plug B Sensor 2 Disconnect the b ...

Weber 2V carburettor automatic choke unit - removal, checking and refitting
XR3 models Removal 1 Remove the air cleaner (Section 2). 2 Disconnect the electrical lead to the automatic choke. 3 Undo the three choke housing cover retaining screws, withdraw the cover and bi ...

Cylinder head - dismantling and reassembly
Note: A valve spring compressor will be required during this procedure. New valve stem oil seals should be used on reassembly. Dismantling 1 With the cylinder head removed, remove the camshaft. ...