Product Details
Dex-Cool™ Long Life Concentrated Engine Coolant, 1 Gallon by Zerex®. Concentrate. Volume: 1 Gallon. Color: Orange. Quantity: 1 Jug. Orange. Zerex™ Dex-Cool® Antifreeze/Coolant is automaker approved for use in GM vehicles which require OAT Dex-Cool™. Meets or exceeds the following industry specifications: ASTM D3306, SAE J1034, J814, J1941, TMC of ATA RP-302B, and Federal Specification A-A-870A. Valvoline™ Zerex™ Dex-Cool™ Antifreeze/Coolant is automaker approved for use in GM vehicles which require OAT Dex-Cool™. Orange. Zerex™ Dex-Cool® Antifreeze/Coolant is automaker approved for use in GM vehicles which require OAT Dex-Cool™. Meets or exceeds the following industry specifications: ASTM D3306, SAE J1034, J814, J1941, TMC of ATA RP-302B, and Federal Specification A-A-870A. Valvoline™ Zerex™ Dex-Cool™ Antifreeze/Coolant is automaker approved for use in GM vehicles which require OAT Dex-Cool™.
Features
- OAT Dex-Cool™ Automaker Approved for use in GM and SAAB vehicles
- Meets or exceeds the following industry specifications: ASTM D3306, SAE J1034, J814, J1941, TMC of ATA RP-302B, AND Federal Specification A-A-870A
- 5 Year/150,000 Mile Guarantee
- Silicate and Phosphate Free formula
- Coolant starts with the basic function of heat transfer and adds antifreeze protection
- Coolant transfers heat and keeps the engine operating
- It's action prevents engine damage from freezing and boiling by keeping the liquid from forming a solid or a gas
Today's engines are often nestled in some tight engine compartments under a sleek hood that's low, (the radiator is) pretty obstructed, the front end (of the car) for style reasons could be closed and (there's) not much good air flow. So in modern cars, they would overheat in a matter of minutes if they didn't have an active functional cooling system.
Depending upon the type of vehicle (car or truck), it may require specialized additives that are intended specifically for the needs of the manufacturer's vehicle you have (particularly for imports), or for the type of mileage on your ride.
In order for heat to be effectively transferred, you need a liquid in the cooling system. If coolant freezes, it expands – and with that expansion comes breaking and cracking, which can lead to engine failure and damage.
If coolant boils, the gas/vapor formed does not transfer heat well, so metal could actually melt in the engine if you don't keep liquid in contact with it in some places that need to stay cool. Coolant also protects metals and non-metallic elastomers (rubber parts and plastic parts in the engine and the cooling circuit).
According to Turcotte, "If you were just to use water and not operate the engine at all in the winter, as soon as it cools below freezing, the water will expand about 10 percent on freezing and makes a big old ice cube. That may fracture the cylinder heads, the block, and split open the radiator seams."