Can I use regular coolant in a diesel?

Asked By: Yonatan Gottschall | Last Updated: 23rd February, 2020
Category: automotive green vehicles
4.9/5 (2,689 Views . 10 Votes)
The difference between the antifreeze used in a diesel engine and that used in a conventional gas engine is that diesel antifreeze contains a special additive that protects against erosion on cylinder walls.

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Accordingly, can you use regular antifreeze in a diesel engine?

Engine coolant maintenance is just as important as an oil change. In fact, the coolant condition in a diesel engine may even be more important than in a gasoline engine. Today's antifreeze-coolant not only protects from freezing in the winter months, but also helps protect diesel engines from common cavitation issues.

Beside above, can I add water to my diesel coolant? A 50/50 mix of heavy-duty antifreeze/coolant and clean, quality (distilled, de-mineralized, or de-ionized) water with supplemental coolant additives (SCA's) is required for all heavy-duty engines. Water (without antifreeze/coolant) with 6% SCA additive is no longer recommended and is not an acceptable coolant solution.

Similarly, what is the best antifreeze for diesel engines?

Best Diesel Option: Zerex G-05 Antifreeze/Coolant The Zerex G-05 Antifreeze/Coolant works in both gasoline and diesel vehicles, but contains some additives that will benefit diesel engines in particular.

How does diesel get into coolant?

Diesel flows thru the head into the injectors. Only a couple ways to get into the coolant system. Either leaking injector cups, cracked head, possibly the Davco, but not likely. A blown head gasket won't pass diesel into coolant system.

32 Related Question Answers Found

Do you need special coolant for diesel engines?

Diesel engines are subject to "cavitation erosion" of the cylinder walls if proper additives are not presant in the coolant. This erosion can eat holes clear through the cylinder walls. Use a "precharged" coolant formulated for diesel engines, usually not green. But the coolant in this engine IS green.

What is the difference between red and green antifreeze?

The purpose of using an antifreeze is to lower the freezing point and increase the boiling point of the coolant. The key difference between red and green antifreeze is that red antifreeze lasts longer than green antifreeze. An antifreeze contains ethylene glycol and propylene glycol as the bases.

What color is Delo ELC?

Specifications
SKU DELC50
Color Red
Specific Gravity @15C 1.130
PH 8.3
Tags Silicate Free

Which coolant is used in diesel generator?

6.1. 1.2 Engine Coolant - Water is the most common coolant used in diesel engines. However, water alone presents the possibility of corrosion, mineral deposits, and freezing. Where engines could be subjected to temperatures near or below freezing, an antifreeze such as ethylene glycol or propylene glycol must be added.

What is SCA in antifreeze?

Supplemental Coolant Additives (SCA) Supplemental Coolant Additives are vital for the health and longevity of any diesel engine. Diesels, particularly the Ford Powerstroke, are prone to a problem called cavitation (or liner pitting).

What happens if you use the wrong color antifreeze?

Mixing different engine coolants or using the wrong coolant can impair the performance of the special additive packages; this can result in increased corrosion to the radiator. Using the wrong engine coolant can gradually lead to corrosion and damage to the water pump, radiator, radiator hoses and cylinder gasket.

Is green or orange antifreeze better?

Radiator fluid color can tell you a lot of things about your car. Having a green-colored coolant means your engine cooling system still has steel and copper components to it. It also means more frequent replacement of the coolant. Having an orange coolant means your car stays protected for up to 5 years.

What color is Honda coolant?

Blue and Green Antifreeze
You can use either blue or green antifreeze in your Honda without impacting the antifreeze's performance; the color difference is simply a result of the different dyes used in making the product. If you have previously used green antifreeze, you can still use blue or use a mixture of both.

Do coolant additives work?

But over the years we've become accustomed to using cooling system wetting agents, as they've been proven to work almost every time. Unlike ring sealers in a can and other mysterious leak sealing products that never seem to work, cooling system additives generally do work.

Can you mix red and green antifreeze?

It often can last five years or 150,000 miles. So it's a better antifreeze to use. Now, if you mix them--they are not supposed to be mixed--but if you mix them it's not like mixing an acid and a base and you are not going to have and explosion or anything like that.

Can you mix coolant with tap water?

No! You should never mix coolant fluid with regular tap water. Tap water contains minerals that can form deposits inside the radiator and cooling system passages of your engine. This and the proper mixture of coolant and distilled water will help your car and its cooling system run without breaking for a long time.

Is coolant the same as antifreeze?

Antifreeze is commonly used as one of the components of a coolant mixture – coolant is generally a 50-50 split between antifreeze and water. Antifreeze (specifically the ethylene glycol, which is its main ingredient) is used to lower the freezing point of the liquid that circulates around the engine of a vehicle.

Is it OK to use water instead of coolant?

In general, using water as coolant is OK for a short time or as a "get you home" alternative, but it does not have the anti-freeze and corrosion inhibiting properties of a proper coolant mix, so should not be left in the engine for any length of time, especially if you live in a cold climate.

How long can you drive without coolant?

You certainly have more time on a cold day, but 30 degree or 90 degree day, the car is going to run up to 300+ before long without antifreeze. Assuming you mean with just water and no antifreeze, as long as the outside temperature does not drop below 0°C, nothing bad should happen.

How long after adding coolant can I drive?

Yes, run the engine
After you do any work involved with draining the coolant you will either have an exact process to remove air from the cooling system or you will simply run the engine. If you don't the gasses (air) will expand at a greater rate than liquid when the engine get's hot.