Is Dex cool a good antifreeze?
For a couple decades now, GM has used a type of coolant known as Dex-Cool. 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.
Can you add water to Dex-Cool antifreeze?
On GM’s own consumer site, the debate regarding its Dexcool antifreeze continues. And in mixing any antifreeze with water for a 50/50 mix, the use of distilled water is highly recommended.
Can Prestone Dexcool be used in Fords?
Bottom line is Prestone DexCool® is a safe and readily available alternative to Motorcraft. Note that Dexcool is also gold/orange, and you should NEVER use it in a Ford.
What was the problem with the Dex coolant?
Samuel in Bellville, Ohio experienced a similar problem with sludge in the cooling system of his car. “I have sludge in my coolant caused by Dex-Cool,’ he wrote. “GM demands that the coolant be used. So far it’s just the gasket that has to be replaced.
Do you have to use DEX COOL on your car?
If your car or truck came from the factory with Dex-Cool, you should continue to use that coolant both as replacement and to top off the radiator, the mechanics say. Last but not least, if your car came from the factory with standard “green” antifreeze, don’t switch to Dex-Cool.
How many miles does GM DEX COOL last?
Dex-Cool is now used in almost 40 million vehicles sold by GM since 1996. On its website, GM claims Dex-Cool will last 5 years or 150,000 miles but a steady stream of consumers insist the product is defective and has damaged their vehicles.
Where did the DEX COOL sludge come from?
In Madison County, Illinois, a lawsuit claims Dex-Cool “began to turn into sludge which then accumulated in the vehicle’s engine cooling system and radiator.”
Is there a problem with the Dexcool coolant?
Everyone assumes the problem was Dex-Cool, when in fact, the problem was the type of gasket material combined with the use of Dex-Cool. GM has redesigned the gaskets that the problem has now been fixed. GM still uses Dex-Cool coolant and there is no longer a problem with gasket coolant interaction.
What was the problem with GM Dexcool gaskets?
So it’s true that DexCool caused gasket leaks, but the real problem was incompatibility between the plastic and the coolant. Everyone assumes the problem was Dex-Cool, when in fact, the problem was the type of gasket material combined with the use of Dex-Cool. GM has redesigned the gaskets that the problem has now been fixed.
What’s the problem with the Dexcool cast iron engine?
Shops reported other problems with DexCool engines besides the 3.1 and 3.4-liter engine. Specifically, shops reported sludge buildup, especially in cast iron engines. But after a thorough investigation, it turns out that the only time sludge builds up is if the engine is low on coolant.
Is there a class action lawsuit against GM Dex coolant?
The push for a national class action lawsuit against GM for problems related to their Dex-Cool coolant suffered a setback Friday, when a U.S. federal judge ruled that national class action status would be too complicated.