Cooling System Overview
The Silver Cloud II’s cooling system was a compromise from the start, with strict limitations imposed on the design team.
The V8 engine’s wider size and the same sized radiator as the six-cylinder predecessor led to airflow and cooling issues.
Importance of Cooling System Maintenance
Regular maintenance is crucial to prevent overheating, which can cause severe engine damage.
Factors affecting the cooling system include the use of hard water, neglected maintenance, and incorrect antifreeze ratios.
Thermostat Design and Functionality
The original alcohol-filled bellows thermostat was superior to the current wax stat design, but was discontinued due to pressurized cooling systems.
The wax stat design is unreliable and often fails in the closed position, whereas the alcohol thermostat fails in the open position, doing no harm to the engine.
Conclusion
Regular checks and maintenance are essential to ensure the cooling system is functioning correctly.
Using the correct antifreeze ratio, de-mineralized water, and a working, correctly calibrated thermostat is vital for the long-term health of the engine.
Manual:
Download: Silver Cloud II Cooling System Manual
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