Dex-Cool, which is made by Texaco, is being used exclusively by General Motors in some buildout 1995 models and all 1996 cars and trucks except Saturn and Geo. Now there is a new engine coolant formulated to last five years/100,000 miles – that’s three years/70,000 miles longer than conventional coolants. It is an orange colored ethylene glycol based antifreeze compatible for use in all automobiles, light duty trucks and motorcycles. Peak Dexcool Concentrate Orange Antifreeze is made for use in GM cars and trucks requiring a Dex-Cool antifreeze. Can I use peak coolant instead of Dex cool? Prestone Dex-Cool Antifreeze is formulated for use in all vehicles that require Dex-Cool coolant, and can also be used in all other cars and light-duty trucks that use extended life coolant. Using the wrong coolant can lead to corrosion and other damages to the radiator, water pump, radiator hoses, cylinder gasket, and more. It may also increase corrosion in the radiator. Using the wrong coolant or mixing different types together can hinder the car’s performance.
What happens if I put a different coolant in my car? Traditional North American “ green ” antifreeze, the original “universal” formula that everybody used until the introduction of today’s extended-life coolants. Cooling systems that use Dexcool exhibit more acid buildup and rust in the system when the coolant level gets low and oxygen is allowed to enter the system. It’s supposed to last 5 years or 150,000 miles, but there have been problems with this coolant. In the 1990s, GM introduced an engine coolant called Dexcool. Can you add regular coolant to Dex-cool?ĭo not mix Dex-Cool with regular anti-freeze! Dex-Cool is a specially formulated GM coolant which will not mix with traditional coolants, and was used in various GM applications up through the 2004 model year. What kind of coolant is Dexcool?ĪCDelco GM OE Dex-Cool Antifreeze Extended Life Coolant Concentrate is an orange, silicate and phosphate free, premium-grade coolant/antifreeze that is formulated with a chemical composition that minimizes breakdown of metal components in contact with the fluid. Despite not being called antifreeze, it still accomplishes the same task, so you don’t have to worry about replacing Dex-Cool for the winter months or anything like that. The green and orange coolants do not mix.įor a couple decades now, GM has used a type of coolant known as Dex-Cool. Dex-Cool is a specially formulated GM coolant which will not mix with traditional coolants, and was used in various GM applications up through the 2004 model year.Extended coolant life, often for the whole life of the engine or vehicle, is obtained through the use of virtually non-depleting corrosion inhibitors. ACDelco DEX-COOL® is an ethylene glycol based fluid that provides maintenance-free protection against freezing and boiling but also against corrosion.
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