Differences Between Red and Green Radiator Coolant

What is Radiator Coolant? Radiator coolant is the fluid responsible for maintaining the engine’s integrity to ensure efficient daily performance. It cools various engine parts and prevents their temperature from rising above a certain level.

It’s worth mentioning that the normal engine temperature ranges between 80-90 degrees Celsius during operation and between 75-105 degrees Celsius while driving.

General Differences Between Red and Green Coolants

The difference between red and green coolants lies in their composition and assumed lifespan, each possessing specific properties that distinguish it from the other. Let’s delve into the distinctions between red and green fluids and address common questions on this topic.

Types of Coolant

Coolants can be categorized into three different types, each with its unique advantages:

  • Regular water
  • Green coolant
  • Red coolant

Green Radiator Coolant

Simply put, green coolant is a mixture of water and various components and elements that work harmoniously to prevent reactions with the engine and radiator components. Its primary function, as mentioned earlier, is to cool various engine parts.

One notable feature is its lack of salts or impurities, distinguishing it from regular water. When the engine temperature exceeds the normal limit, this coolant, composed of materials that raise its boiling point to 120 degrees Celsius, exhibits effectiveness in such conditions.

Red Radiator Coolant

The properties of red and green coolants are quite similar. Both lack salts and impurities in their composition. However, red coolant outperforms green coolant by possessing a property that prevents freezing at significantly low temperatures, addressing a common issue faced by those using ordinary water for cooling.

It’s essential to note that the main difference lies in the absence of silicates in the materials composing the red coolant, as silicates negatively impact the engine and lead to damage over time, resulting in a different assumed lifespan for these two fluids.

When Should Radiator Coolant Be Changed?

The assumed lifespan differs for both red and green coolants. The red coolant should be changed every 4 or 5 years, while the green coolant should be replaced every 2 or 3 years.

Differences Between Regular Water and Green Coolant

Let’s discuss the differences and the damages caused by each of these fluids. A common misconception among car owners is the use of regular water in the engine cooling system (radiator).

Regular water contains a high percentage of salts that accumulate on surfaces and components of the engine. Over time, these parts and the radiator are susceptible to corrosion, leading to complete damage. Additionally, rust and scale formation are not uncommon.

In contrast to red coolant, regular water cannot adapt to external weather conditions and is continuously affected by temperature fluctuations.

Reasons for Radiator Coolant Boiling

Several factors can lead to the boiling of radiator coolant, including:

  • Thermostat damage: The thermostat allows the regular flow of radiator coolant to other engine parts. When it malfunctions, the engine does not receive adequate cooling, leading to the boiling of the coolant.
  • Cooling fan damage: The failure of the fan, which contributes to the cooling process, can also result in increased engine temperature and, consequently, the boiling of the coolant.
  • Radiator cap damage: The engine cap should be changed after approximately two years. This cap affects engine temperature and its damage can lead to boiling radiator coolant.

Causes of Coolant Loss in the Radiator

Regardless of the coolant type used, all are susceptible to loss. The primary causes include:

  • Thermostat damage
  • Cooling fan damage
  • Water pump malfunction that assists in transferring the coolant to the engine
  • Discovering a hole in one of the pipes in the engine radiator or water jacket
  • Prolonged daily use of the air conditioning system

Frequently Asked Questions

  • Can Red and Green Radiator Coolants be Mixed?
    Mixing them is one of the most common mistakes made by many. The difference lies in the mixed substances and their specific characteristics.
  • Is Radiator Coolant Important?
    This fluid plays a crucial role in maintaining the engine’s safety and prolonging its lifespan. It is one of the key elements that reduce engine heat.
  • How Do You Know if Radiator Coolant is Low?
    The rise of the engine temperature indicator is one of the most important signs of low radiator coolant. However, it is advisable to regularly check the water level in the radiator.
  • What is Suitable for the Radiator – Red or Green Coolant?
    Red coolant is considered to have a better impact on engine heat than green coolant, attributed to the mentioned distinguishing features.
  • Is it Normal for Radiator Coolant to Decrease?
    Under normal circumstances, the water level in the radiator decreases by about 0.25% every 5 months. If this percentage increases, it indicates a certain malfunction in the above-mentioned parts.

In conclusion, we have discussed in detail the differences between red and green radiator coolants, the properties of each, and reasons behind common issues faced by many drivers concerning radiator coolant.

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