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The Granville Zerocol 48 Green Antifreeze is a premium monoethylene glycol-based coolant designed for year-round protection in modern petrol and diesel engines. It excels at preventing freezing in winter and overheating in summer, while its advanced corrosion inhibitors shield critical cooling system components made of aluminium, cast iron, copper, and brass. A key caveat is its specific suitability for European vehicles requiring traditional silicate-based coolant specifications.
| Model Part Number | G48 |
|---|---|
| Brand | Granville |
Antifreeze colors often denote the type of inhibitor technology used. Green coolants like Granville Zerocol 48 typically use traditional inorganic additive technology (IAT), often silicate-based, suitable for older European vehicles. Always use the color recommended by your vehicle manufacturer.
It is generally not recommended to mix different types or colors of antifreeze, as this can lead to chemical reactions, reduced performance, and potential damage to the cooling system. Always use the specified type for your vehicle.
You should check your coolant level regularly, ideally every time you check your engine oil or before long journeys. Ensure the check is performed when the engine is cool.
Monoethylene glycol (MEG) is the primary base fluid in antifreeze. It is effective at lowering the freezing point and raising the boiling point of water, providing essential protection for your engine's cooling system.
Granville Zerocol 48 is typically sold as a ready-to-use (50/50) mixture, providing protection against freezing and boiling. If a different ratio is required by your vehicle manufacturer, ensure you use a compatible concentrate and distilled water.
The service life depends on the vehicle manufacturer's recommendations. Generally, coolants meeting BS 6580:2010 standards provide protection for 2 to 3 years or a specified mileage. Always refer to your vehicle's service manual for the recommended interval.
Check for leaks in hoses, the radiator, water pump, and head gasket. A significant drop may indicate a serious issue requiring professional inspection.
Ensure the coolant level is correct and the system is properly bled. Check the thermostat, radiator fan, and water pump for proper operation. Contaminated or old coolant can also reduce efficiency.
This indicates corrosion or deposit buildup. Flush the cooling system thoroughly and refill with fresh coolant. Prolonged use of degraded coolant can damage components.
Tighten hose clamps or replace damaged hoses and seals. Ensure all connections are secure.
Compatibility: Granville Zerocol 48 is specifically designed for European vehicles that require traditional silicate-based coolant specifications. Always consult your vehicle's owner's manual or a qualified mechanic to confirm compatibility. It meets or exceeds the following specifications:
Setup: This product is typically supplied as a ready-to-use solution. Ensure the cooling system is cool before opening. Drain the old coolant completely. Fill the system with the new coolant, ensuring it reaches the appropriate level on the expansion tank. Run the engine with the heater on to circulate the coolant and bleed any air from the system. Check the level again once the engine has cooled and top up if necessary.
Care: Regularly check the coolant level in the expansion tank. Inspect the coolant for signs of contamination or degradation (e.g., rust, sludge, or unusual color). It is recommended to change the coolant according to your vehicle manufacturer's service schedule, typically every 2-5 years or a specified mileage.
