2018 dodge durango coolant type

2 min read 02-02-2025

Choosing the right coolant for your 2018 Dodge Durango is crucial for maintaining its engine's health and longevity. Using the incorrect coolant can lead to serious engine damage, costly repairs, and even premature failure. This guide will clarify the specific coolant type recommended by Dodge for your 2018 Durango and provide valuable information on its properties and maintenance.

Understanding Coolant Types

Before diving into the specifics for your 2018 Durango, let's briefly explore the different types of coolant available. Coolants are typically categorized as either conventional or extended-life (also known as HOAT – Hybrid Organic Acid Technology).

Conventional Coolant: These coolants generally require changing every 2 years or 24,000 miles. They offer adequate protection but need more frequent replacements.
Extended-Life Coolant: Designed for longer intervals between changes (often 5 years or 150,000 miles), these coolants provide superior corrosion protection and are usually a more cost-effective option in the long run. They often contain organic acid inhibitors instead of the traditional silicate-based inhibitors found in conventional coolants.

Recommended Coolant for the 2018 Dodge Durango

The 2018 Dodge Durango requires Dexcool, a type of extended-life coolant. Specifically, Dodge recommends using a 50/50 pre-mix of Dexcool and distilled water. Never use tap water, as minerals and impurities in tap water can compromise the coolant's effectiveness and damage the engine's cooling system.

It's crucial to note that mixing different types of coolant is strongly discouraged. Mixing conventional and extended-life coolants can lead to chemical reactions that negate the benefits of both and potentially cause significant damage to your engine.

Identifying Your Current Coolant

If you're unsure what type of coolant is currently in your 2018 Dodge Durango, you can perform a simple check. Carefully remove the radiator cap (after the engine has completely cooled) and visually inspect the coolant. Dexcool is typically a vibrant orange or reddish color. However, this isn't a foolproof method as the color can fade over time.

Coolant Change Frequency and Maintenance

While Dodge recommends a longer interval for extended-life coolant changes, it's still crucial to regularly monitor your coolant level and condition. Regularly inspect your coolant reservoir for leaks, low levels, or discoloration. Consult your owner's manual for the recommended service intervals. It’s always better to err on the side of caution and schedule a coolant flush and refill sooner rather than later.

Importance of Regular Coolant Changes

Regular coolant changes are essential for preventing several problems including:

Corrosion: Coolant prevents rust and corrosion within the engine's cooling system. Old coolant loses its effectiveness, leading to increased corrosion.
Overheating: Compromised coolant can lead to overheating, causing significant engine damage.
Scale Buildup: Impurities in the coolant can contribute to scale buildup, reducing the efficiency of the cooling system.

Conclusion

Using the correct coolant for your 2018 Dodge Durango is essential for maintaining optimal engine performance and preventing costly repairs. Always use the recommended Dexcool coolant (50/50 pre-mix with distilled water) and follow the maintenance schedule outlined in your owner's manual. Regular inspections and timely coolant changes will ensure the longevity and reliability of your vehicle's engine. Remember, consulting your owner's manual is always the best source for specific recommendations for your vehicle.