Can i mix dexcool with regular antifreeze

If it was green antifreeze than only use green. They have different chemical bades and should never be. Mixture of alternate chemicals will void the GM endorsement, will degrade coolant integrity, and possibly.

Can you mix universal antifreeze with dexcool. Orange vs green: coolant basics you need to know. Everything I’ve ever read indicates these two types of coolant do not mix well an if mixe will start very quickly turning to sludge. AFAIK, all antifreeze solutions can be mixed (same chemical class).

The resulting mixture will not harm the cooling system. Due to the structural differences between DEX-COOL and regular coolant , it is important not to mix the two types of coolants in your car. Mixing can cause sludge to form and potentially lead to engine failure. Technically, you can mix coolant types, but before you go ahead and do it, let’s cover some things. Where can you purchase dexcool mix ? I believe they make it in Mexico, where your caddillac was made.

Mixing regular coolant with a long life coolant just makes the coolant a short life coolant. Both antifreezes are ethylene glychol. The only differences between them is the additive packages. Instead of paying extra for a dexcool flush you can flush them over to regular (green) coolant. I can tell you this, if you mix dex-cool with regular.

Many people have asked whether you can mix antifreeze colors, and many times they are told FALSE information. Can You Mix Antifreeze Colors? Flush it out as soon as you can.

Dexron III is transmission fluid. Even the SAE says you can mix the two. The antifreeze does not jelly. Mixing them can lead to reduced effectiveness of corrosion inhibiting additives and thats all. I used the mix with any coolant with my dex cool only antifreeze car.

Honestly, it did no harm and may actually have delayed a costly intake manifold gasket repair. That finally happened when the car was about years old and it should have happened years sooner according to GM information and consumer complaints. Another way to ensure longer life of parts and get better corrosion protection is to make sure you USE DISTILLED WATER when mixing with antifreeze. Regarding dexcool compatible (universal antifreeze ). I went to one auto parts store yest and the manager behind the counter said under no circumstances should you mix the too. He said a complete extensive flush and cleaning was required before putting in the universal antifreeze.

He said you can never mix coolant of two different colors. It has never overheated and the coolant system is in good condition overall, though. If the added coolant says longlife then you can still do the 100k change. If it is regular coolant then you will need to change in the 30k?

But I only see long life stuff now. Dexcool and regular antifreeze cost. Hard to find the old cheap stuff. Mixed Dex-cool with regular coolant.

Switching from DexCool to green coolant seems to be less of an ordeal, since GM and Texaco claim that mixing green coolant with DexCool causes no damage to the engine as long as 30k mile service intervals are observed. Red antifreeze contains organic acids that protect engine parts from corrosion. Silicate (green) type antifreeze does not mix with red type antifreeze.

Never mix the two colors in a cooling system. The organic acids in red type will cause precipitation of silicates in the green type and corrosion protection is greatly reduced. What can happen if I mix engine coolants together? What are the Different Types of Antifreeze and Can I Mix Them? Dex-Cool coolant and regular coolant ? If you took your vehicle to a. L truck application, the use of OAT antifreeze is expected to grow.

Despite the problems with the 4. Orange antifreeze should not be mixed with green antifreeze because they are not compatible. This coolant was developed to be more of a universal coolant. You can also mix the extended life coolant with the regular green coolant , but then it loses its extended life properties. This is NOT the same as the regular green coolant.

So, in closing, the only bad thing that will happen by mixing dex cool and regular coolant will be that you now have to change the coolant every years instead of every 150k miles, until you go back to just pure dexcool. Did they flush all the old coolant out first? I think you should find this out. I use the prestone all makes all models. As to that, dexcool does Not mix with regular coolant.

DEXCOOL (NOAT) to insure protection against wet sleeve liner cavitation-erosion. Frequently Asked Questions: Can DEXCOOL organic acid antifreeze be mixed with ethylene glycol antifreeze ?

It is ethylene glycol based antifreeze ! The worst thing that can happen is that you will weaken some of the anti-corrosion properties of the initial antifreeze. It may not be quite as effective as it once was. I also would not mix a large of amount of one type with another.