Cooling system inadequacy (six-cylinder)
Symptoms
Engine runs hot, especially in traffic or on warm days. Temperature gauge climbs past the middle mark, car starts to smell hot, coolant may boil over.
Cause
The E-Type's cooling system was marginal when new and relied on forward motion pushing air through the radiator. In Australian summer conditions, sitting in traffic is a recipe for overheating. Thermostats fail, water pumps wear, radiators clog with scale, and fans don't move enough air.
Fix
Fit an upgraded aluminium radiator with increased capacity.
Upgrade to an electric fan (or add one in addition to the viscous coupling fan).
Ensure the thermostat is working correctly and coolant is fresh.
Check water pump flow, a worn impeller moves less coolant than you'd think.
These upgrades are well-documented and essential for Australian ownership.
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