What can I substitute for Dex Cool antifreeze? -

Can I combine colours?

There’s a little bit of conflicting recommendation relating to mixing coolant colours. For instance, Valvoline states by no means to combine them on one web page however claims it’s OK on one other. And because the video above exhibits, some antifreeze suppliers declare mixing their product with others causes no points.

In the end, ItStillRuns explains, it’s not in regards to the colour, however the coolant itself. The issue with mixing inexperienced antifreeze and orange Dex-Cool is that they’re primarily based on totally different chemistries, Autoblog explains. The previous combines ethylene glycol with silicates, phosphates, and inorganic acids, Hemmings explains. The latter, although, accommodates propylene glycol and natural acids. When the 2 combine, they create a gel that gums up your cooling system, inflicting engine overheating and costly harm.

However orange-and-green is the one coolant mixture it is advisable keep away from, CarBibles reviews. Many automakers at the moment use hybrid-inorganic-organic-acid antifreeze, which mixes the properties of each chemistries. However one of the best coolant is the one the producer lists in your automotive’s proprietor’s guide.

Look ahead to indicators of oil or rust

The color of wholesome engine coolant is inexperienced (for ethylene glycol) or orange (for Dexcool). A rusty colour signifies that the rust inhibitor within the coolant has damaged down and it may well now not management rust and scale buildup. The system should be cleaned/flushed and a recent 50/50 mixture of coolant put in to revive integrity. A milky colour signifies the presence of oil within the system. This isn’t good; it normally implies that a head gasket, consumption manifold, or transmission oil cooler is leaking oil or transmission fluid into the engine coolant. This can be a lethal combine that may kill an engine or transmission in brief order. Tackle the probleFrim instantly!


What does Dex-cool scent like?

In case you crack open a bottle of antifreeze and begin pouring it into your automotive’s coolant reservoir, you’ll get a whiff of it and be stunned by how candy it smells. Some folks have in contrast the scent of antifreeze to maple syrup, whereas others have stated that it smells extra like a chunk of fruit or perhaps a piece of sweet.

Is Dex-cool orange or inexperienced?

The principle option to inform the distinction between Dex-Cool and common antifreeze is that Dex-Cool is usually orange, whereas antifreeze is normally inexperienced.

Can I combine inexperienced coolant with orange coolant?

That is a kind of questions normally requested after the very fact, and normally engine harm has already occurred. The inexperienced and orange coolants don’t combine. When combined collectively they kind a gel-like substance that stops coolant movement, and consequently, the engine overheats. There are some coolants that declare compatibility with Dexcool, however I’d reasonably err conservatively and add what the system is meant to take reasonably than gamble. To protect towards main engine failure, learn on.

Fluid substitute and radiator flushing


Changing your coolant is pretty easy, Advanced Auto Parts reviews. First, open the radiator and coolant reservoir caps. Then, discover the radiator’s drain (aka ‘petcock’), and let the fluid drain. In case you’re planning on flushing the radiator, add the flush chemical, shut all of the caps, and run the engine with the heater on excessive till it reaches working temperature.

After letting it cool, drain the flush compound, change it with water, and run the identical steps once more. Drain the water, and change it with the beneficial coolant. There’s going to be some air bubbles that should be eliminated so your engine gained’t overheat. So, run the engine with the brand new coolant with the radiator cap off to allow them to escape. Afterward, add sufficient fluid to achieve the ‘Full’ line on the reservoir.

Observe extra updates from MotorBiscuit on our Facebook page.

RELATED: The Most Common Reasons You Car Heater Isn’t Working