What Is Dex-cool Antifreeze? new for 2022

What Is Dex-cool Antifreeze?

ACDelco 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.

Is Dex cool the same as 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 use regular antifreeze instead of Dex cool?

Do 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. The green and orange coolants do not mix.

What can I substitute for Dex Cool antifreeze?

I recommend Yellow. Prestone extended life. Either 50/50 or cut it yourself with distilled. It is GM certified as a DEX Cool replacement and can be mixed with Dex Cool (don’t mix it outright, drain it, just that what does not drain out it’s ok when it intermixes).

Is Dex Cool antifreeze a problem?

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. The acid eats away at head gaskets and intake gaskets.

Can I use Prestone instead of Dex-cool?

Prestone® Dex-Cool® Premixed LongLife® Antifreeze/ Coolant has been approved by General Motors under their DEX-COOL® specifications and is compatible with other DEX-COOL® approved coolants.

Is all orange coolant Dexcool?

The Colors of Coolant

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What color is Dex-Cool®?” It’s true, coolant liquid comes in different colors, most commonly green (orange for Dex-Cool®). Each color is a unique formula that should not be mixed. The below chart will help you decipher which fluid is in your vehicle.

Should I use Dexcool or green antifreeze?

Dex-Cool uses a combination of organic acids as its corrosion inhibitors (OAT – Organic Acid Technology). GM believes that it provides better corrosion protection than regular green coolant for cooling system composed of different metals (primarily iron, aluminum, and brass), and provides a longer 5-year service life.

Can I switch from Dexcool to green coolant?

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.

What happens when you mix Dexcool with regular antifreeze?

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. Mixture of alternate chemicals will void the GM endorsement, will degrade coolant integrity, and possibly damage the coolant system of your GM vehicle.

What brand is Dex-cool?

Valvoline ZEREX Dex-Cool® Antifreeze/Coolant is automaker approved for use in GM vehicles which require OAT DEX-COOL®. Additional product benefits include: OAT DEX-COOL® AUTOMAKER APPROVED for use in GM and SAAB vehicles.

Can I use Dexcool in my Ford?

The new Ford coolant is OAT and is not compatible with DEXCOOL. You cannot go by the color of coolant anymore an have to use only the one that meets the specifications of your vehicle. Using the incorrect coolant can damage cooling system components and cause engine components damage or overheating.

What year 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.

What vehicles use DexCool coolant?

Antifreeze + Coolant. Concentrate. Designed to work with all GM ® vehicles 1995 & newer (GM ®-approved), most Ford ® vehicles 2011-2018 and most Chrysler ® vehicles 2013 & newer.

How often should DexCool be changed?

Normally you’d have to replace the silicated (green) coolant every 50,000 kms or 2 years whichever first. With Dexcool that interval can be extended to 5 years or 240,000 kms whichever first.

Does Dex Cool eat gaskets?

if your using Dex Cool antifreeze, its eating away at your engines gaskets and cooling system components. it could also get inside your engine and mix with your oil from gaskets or alumiunm parts being eatin away from the dex cool.

Is pink antifreeze Dexcool?

the OEM dexcool is pink, yes.

Is Dex-cool for diesel engines?

additionally, dex-cool is not a diesel coolant, whereas green, with the proper additive package, can be made into such. another option if you are completely flushing is to possibly try the Zerex G05, it is rated for diesel engines, and is long life.

Can you mix Prestone antifreeze with any other antifreeze?

Prestone is guaranteed for all cars and can be mixed with any other colour of coolant/antifreeze, making it the best choice for you. You can use it to top up your car or to refill the cooling system after you’ve drained and flushed it.

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What happens if I put a different coolant in my car?

Using the wrong coolant or mixing different types together can hinder the car’s performance. It may also increase corrosion in the radiator. … Using the wrong coolant can lead to corrosion and other damages to the radiator, water pump, radiator hoses, cylinder gasket, and more.

Is DexCool ethylene glycol?

ACDelco DEX-COOL® is an ethylene glycol based fluid that provides maintenance-free protection against freezing and boiling but also against corrosion.

What is green antifreeze used for?

Green antifreeze is made with special tweaks to the formula specifically to help prevent the corrosion of metals in a vehicle’s cooling system. That older formula is typically meant for vehicles made before the year 2000, which were built with more steel and copper components than modern vehicles.

Is Dex-Cool still used?

Dex-Cool is now used in almost 40 million vehicles sold by GM since 1996. … On its website, the company now also warns owners to consult their vehicle “owner’s manual for the type of coolant right for your vehicle” and never “mix one type of coolant with the other.”

What happens if you use the wrong color antifreeze?

If you do mix different-coloured coolants they generally do not mix well and some can form a gel-like substance. This will halt coolant flow, causing blockages that can lead the engine to overheat, as well as damage to the radiator, water jackets and heater core. Also, the water pump can overheat and fail.

Can you use green coolant in a Chevy?

You can utilize the red, orange, blue, green, purple, whatever color of coolant. The deal is, if you do use green instead of orange (Dexcool), you need to follow the change intervals for the green coolant (IIRC, it’s usually 24k miles or 24 months … depending on the brand, but I believe that’s about nominal).

What is the orange antifreeze called?

One of the new types is “organic acid technology,” or OAT. It’s orange. General Motors pioneered this chemistry starting with 1996 models in the U.S. and using the name Dex-Cool. Ford changed a few models to OAT, then backed away from it.

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How do you flush Dexcool?

How do you remove Dex-Cool sludge?

I’ve had good luck flushing dex sludge from heater cores using vinegar. I generally flush most of the crap out and then soak the core with 100% vinegar for a few hours/over night and then flush with water some more. I repeat until it runs fairly clean.

What is Dex Cool antifreeze made of?


ACDelco 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.

What is the red antifreeze?

Red antifreeze is commercially known as Dexcool® that lasts longer than other types of antifreeze. … This hybrid technology leads to the production of red antifreeze. When compared with green antifreeze and other older versions of antifreeze compounds, red antifreeze is more stable and it improves the water pump life.

What color is universal coolant?

Traditional North American “green” antifreeze, the original “universal” formula that everybody used until the introduction of today’s extended-life coolants.

Who makes Dexcool coolant?

General Motors
Technical Details
Manufacturer ‎General Motors
Brand ‎General Motors
Item Weight ‎9.56 pounds
Product Dimensions ‎11.7 x 7.4 x 4.2 inches
Item model number ‎13

What is Prestone antifreeze?

Prestone is an OAT coolant/antifreeze but also contains anti-corrosion ingredients to protect your cooling system. It can be used in all cars effectively, offering the same levels of protection, and without any damage. We offer a guarantee that Prestone is suitable for all cars and engine materials.

Is orange antifreeze better than Green?

Thankfully, both green and orange antifreeze last a while. … Green for about 3-years or 36,000 miles, and orange for 5-years or 150,000 miles. A good rule of thumb is to inspect it at each oil change. If it’s rust-colored, it suggests the rust inhibitor has become ineffective.

What kind of coolant does a f150 take?

The Ford F-150 antifreeze color is listed as orange for Dexcool and the recommended brand by the manufacturer is Motorcraft premium. The coolant should be used with A50/50 mixture which helps Your vehicle get optimal protection for corrosion, freezing, and overheating.

The Story of Dex-Cool: The Coolant That Put General Motors in Hot Water • Cars Simplified

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