Comment remplacer son liquide de refroidissement ? - Tutoriels Oscaro

Introduction

This tutorial will guide you through the process of replacing the coolant in your vehicle. Proper maintenance of your cooling system is crucial for preventing overheating and ensuring optimal engine performance. Follow these steps to safely and effectively change your coolant.

Step 1: Drain the Cooling System

1. Prepare Your Workspace

   • Ensure the engine is cool to avoid burns.
   • Gather necessary tools: a drainage pan, gloves, and a multipurpose pliers.

2. Locate the Drain Plug

   • Find the drain plug on the bottom of the radiator or the engine block.

3. Drain the Coolant

   • Place the drainage pan under the radiator.
   • Open the drain plug and allow the old coolant to flow into the pan.
   • Once drained, close the plug securely.

Step 2: Choose the Right Coolant

1. Identify the Type of Coolant

   • Check your vehicle's manual to determine the appropriate type of coolant for your model (e.g., ethylene glycol, propylene glycol).

2. Select a Quality Product

   • Opt for a reputable brand, such as Aisin, which you can find in auto parts stores or online.

3. Consider the Mixture

   • Some coolants come pre-mixed; others may require dilution with water. Follow the instructions on the product label for proper mixing.

Step 3: Fill the Cooling System

1. Prepare for Filling

   • Use a funnel to avoid spills.

2. Add New Coolant

   • Open the radiator cap or expansion tank cap.
   • Slowly pour the new coolant into the system, ensuring not to overfill.

3. Check for Air Bubbles

   • After filling, start the engine and let it run for a few minutes. This allows any trapped air to escape.
   • Check the coolant level again and add more if necessary.

Conclusion

Replacing your vehicle's coolant is an essential maintenance task that can prolong engine life and enhance performance. Always ensure you follow safety precautions and consult your vehicle's manual for specific instructions. After completing this process, monitor your vehicle for any leaks or overheating issues. Regular checks will help maintain a healthy cooling system. If you have further questions or need assistance, consider consulting a professional mechanic.