is dexcool bad for your engine

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is dexcool bad for your engine

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.Mar 6, 2020

Is Dexcool still a problem?

GM still uses Dex-Cool coolant and there is no longer a problem with gasket coolant interaction. So contrary to the ranting, DexCool IS the recommended coolant for GM engine.Apr 4, 2013

Why do GM cars use 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.Nov 6, 2017

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What happens if you use regular antifreeze instead of Dex cool?

Firstly, Dex-Cool and traditional anti-freeze don't mix well. Though they can work together in a pinch, after extended use, they can react and create a gel, which can be very damaging to multiple components of your cooling system. For that reason, the best thing for your Chevy or GM vehicle is to stick with Dex-Cool.Nov 6, 2017

Does DexCool damage your engine?

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 …Aug 29, 2006

Can you put green antifreeze instead of Dex-cool?

Some people believe that they can mix the two. This is a mistake and can lead to expensive repairs. The two coolants should never be mixed together as they do not react well. When mixed together they can form a thick, jelly-like substance that can completely stop all coolant flow which can lead to overheating.Oct 10, 2013

What years did GM go to 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.

Is DexCool still a problem?

GM still uses Dex-Cool coolant and there is no longer a problem with gasket coolant interaction. So contrary to the ranting, DexCool IS the recommended coolant for GM engine.Apr 4, 2013

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Can I use Prestone coolant with Dex-cool?

You can use Prestone to serve you very well with any makes and models of the vehicle. In addition to the two types of coolants, there are no other coolants whose presence causes any damage to either of these.Feb 17, 2022

Can you replace Dexcool with green antifreeze?

Dexcool isn't that great of stuff. I'd run the normal green. If you're asking about flushing it, I'd just drain it, fill it with water, then draing it again and refill with 50/50 antifreeze and distilled water (or a garden hose). Absolutely read this.Sep 24, 2004

Can you use regular antifreeze instead of Dex-cool?

Firstly, Dex-Cool and traditional anti-freeze don't mix well. Though they can work together in a pinch, after extended use, they can react and create a gel, which can be very damaging to multiple components of your cooling system. For that reason, the best thing for your Chevy or GM vehicle is to stick with Dex-Cool.Nov 6, 2017

When did Chevy switch to 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.

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.Mar 6, 2020

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What cars use Dex cool?

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

What coolant does GM use?

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.Nov 6, 2017

When did GM stop using Dex-cool?

Dex-Cool, which is made by Texaco, is being used exclusively by General Motors in some buildout 1995 models and all 1996 cars and trucks except Saturn and Geo. GM postponed using Dex-Cool in Saturn cars until the 1997 model year because it did not have enough data to make use of the new coolant possible in 1996 models.Aug 9, 1995

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