Is Dex-Cool corrosive?

Ten years after General Motors began using Dex-Cool as an antifreeze in most of its cars and light trucks, GM car and truck owners continue to complain that the coolant corrodes and clogs radiators and radiator caps, erodes water pumps, rots radiator hoses, causes chronic overheating and engine damage while leading to …

What is compatible with Dex-cool?

FRAM DEX-COOL compatible antifreeze+coolant (ready to use) is designed to work with these specific vehicles: All GM vehicles 1995 & newer /GM approved (GMC, Chevrolet, Buick, Cadillac, Pontiac, Saturn, Oldsmobile, Hummer), most Ford vehicles 2011 – 2018 (Ford, Lincoln, Mercury) and most Chrysler vehicles 2013 & newer ( …

Is Dex-Cool antifreeze a problem?

In the 1990s, GM introduced an engine coolant called Dexcool. It’s supposed to last 5 years or 150,000 miles, but there have been problems with this coolant. 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.

What’s so special about Dexcool?

Why did Chevy and GM make the change over to Dex-Cool? The idea was simple really Dex-Cool lasts longer than traditional antifreeze. In fact, most owner’s manuals put the change interval at 5 years or 100,000 miles or even longer for Dex-Cool.

Is Dex-cool OAT or Hoat?

Dex-Cool® is an OAT, an ethylene glycol based antifreeze that is nitrite-, borate-, phosphate-, nitrate-, amine-, and silicate-free with the same metal wear protection as an IAT antifreeze. Dex-Cool® is trademarked by GM. HOAT (Hybrid Organic Acid Technology) Mixture of OAT and IAT antifreeze.

Why does GM use Dexcool?

Is it OK to use green antifreeze instead of Dex-cool?

Unless a previous owner has used traditional green coolant in your vehicle, using DEX-COOL for an aluminum engine will help minimize corrosion. While traditional green coolant is designed to change color due to corrosion, it does not change color due to corrosion occurring in aluminum engines.

Is Dex-cool pink or orange?

the OEM dexcool is pink, yes.

What is special about Dex-cool?

ACDelco DEX-COOL® is an ethylene glycol based fluid that provides maintenance-free protection against freezing and boiling but also against corrosion. Extended coolant life, often for the whole life of the engine or vehicle, is obtained through the use of virtually non-depleting corrosion inhibitors.

Can you replace Dexcool with green antifreeze?

If you want to change over to the traditional coolant from Dexcool (I would, I’ve gotten to see some of the damage it’s done on fairly new vehicles) then you need to flush the system. How I’ve seen shops do this is to start the car up and let the engine run a bit to build the coolant pressure.

Can you use Dexcool in a Jeep?

Do not put Dexcool in your Jeep. Be forwarned that the All makes all model coolants are a Dexclone and should not be used in your jeep either.

Does Dodge use Dexcool?

Yes to both questions, but Chrysler Group says don’t use DexCool in its products. It’s confusing, to say the least. The basic answers to what coolant to use where, and when, are pretty simple, but when you go past that, you’re getting into some pretty complex territory.

When did GM start using Dexcool?

Back in 1995, GM began to use “Dex-Cool” coolant in its vehicles; in fact, you may very well be driving a vehicle that uses Dex-Cool.

Does Dex cool turn red?

It is common for regular coolants to be green whereas DEX-COOL’s have orange or red tones. Rust and corrosion can interact with your regular coolant, allowing you to identify the time when something needs to be replaced visually.

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