Dex cool antifreeze problems

GM has redesigned the gaskets that the problem has now been fixed. Also the newly designed gaskets are supposed to eliminate the previous problems the gaskets experienced.

Car Forums and Automotive. Learn about this problem , why it occurs, and how to fix it. All you can find at the store now is the clear prestone add to any coolant.

I hope you can really add it to any coolant. Problems revolve mainly around the overheating of the coolant system, resulting in damage to the gasket, radiator, engine and transmission. And GM jumped on this bandwagon without realising what effects this new coolant would have on REAL LIFE ENGINES.

Then within probably years had to have same thing done due to dex-cool antifreeze. Orange vs green: coolant basics you need to know. Dex-Cool antifreeze that does not.

Watch for signs of oil or rust.

DEX-COOL is a specific type of antifreeze , found in select brands of coolants, created using organic acid technology. The manufacturers as well as General Motors have claimed that DEX-COOL can extend the service life and function of your vehicle.

THE PROBLEM IS THE SOLUTION. Dexcool is the early form of Organic Acid Techology. Perhaps one of the most important elements in your cooling system is the coolant.

It needs to be clean, non corrosive, non conductive and have freezing and boiling properties that are appropriate for the conditions. Dex cool lubricates the water pump where as conventional antifreeze does not. After doing research online i found out that this is a common problem for the Gm Dex-cool , i also heard that it eat head gaskets,water pumps,hoses,and so fourth. It also can be used in all other cars and light duty trucks that use extended life coolant.

My Trailblazer, which I sold with just under 100miles on it, never had any dexcool problems , the only coolant system problem it had was a stuck thermostat around 80miles to 90miles. Having said that, here is an article which might be of interest. The following explains your cooling system and how to add coolant when it is low. If you have a problem with engine overheating, see Engine Overheating on page 5-26. Venture minivan are melted at 000.

Re: used dex cool coolant. Ford also saw similar issues with other gasket materials. Using a high quality inhibitors, it protects against corrosion and damages from high temperatures. They were nice enough to get me a loaner car for free but that just makes me think they know there is a problem with this coolant.

I have asked them to keep. DexCool Coolant Corrosion Of Hoses. Problem is the cooling system still has quite a bit of that nice muddy covering inside it, all chunky with about the consistency of ceiling plaster with too much water in the mix. With winter coming up I was asked to check the coolant strength and if it should be flushed again.

Most people call it the dexcool gasket leak. It’s a faulty gasket design that’ll happen regardless of which coolant is in the engine. But it’s not caused by dexcool. The potential role of DEX-COOL. Formulated for use in all vehicles that require DEX-COOL coolant.

These problems will ultimately. The blend contains antifreeze for temperature and corrosion protection and demineralized water for vital heat transfer. Dex-cool uses a different technology, one based on organic acids to reduce corrosion. Organic acid-based coolant can have a service life of five years in vehicles designed to use it. Green coolant should be flushed and changed every two years.

Mixing the two means the Dex-cool should be changed within two years. Replacing the gasket and bolts with the updated specs should solve the problem , no matter if you are using dex-cool or regular ethylen glycol. The first is never add green coolant to Dex Cool , it will break down the Dex Cool and you will have a bad day. A radiator shop has said that can happen if air gets into the system. My son put dexcool antifreeze in my ford ranger should I drain it or will it hurt it?

The dexcool antifreeze is for a - Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. DEX-COOL antifreeze uses two inhibitors: sebacate and 2-EHA (2-ethylhexanoic acid), the latter which works well with the hard water found in the United States, but is a plasticizer that can cause gaskets to leak. Eleven years ago GM introduced an engine coolant called Dexcool. It’s supposed to last years or 150miles but there have been problems with this coolant. Please contact us to confirm correct vehicle fitment and usage.

Some brown stuff that has been seen comes from leak preventatives. Re: Testing Dex Cool antifreeze We just talked about this at school, and I think we decided that it should work, because what we found indicated that it was an ethylene glycol based coolant , it is the additives that are different. A quick flush and refilling with. Yesterday I was checking fluid levels for the first time in a long time in my 08.

I noticed the coolant was nearly at the bottom of visibility. In a recent development in the case, company officials announced that General Motors had reached a settlement in the class action suit, in which it agreed to reimburse class members between $to $800. A message has been sent to the site administrator who will look into the problem. You can try to perform the operation again.

It might have been a temporary problem and may work the second time. Generally the head gaskets are reliable on the LT5. In automotive use, each application is good for years or 150miles, and will protect engine parts against corrosion.