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How to Fix a Car Radiator Leak

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    1. How to Fix a Car Radiator Leak, Open the Hood: step 1, image 1 of 2 How to Fix a Car Radiator Leak, Open the Hood: step 1, image 2 of 2
      • Pull up on the release lever to open the hood.

      • The release lever will be located on the driver's side, under the dashboard.

      • Underneath the Hyundai symbol in the front of the car, there will be a lever. Move the lever to the side to unlock the hood, then you should be able to lift the hood up.

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    2. How to Fix a Car Radiator Leak, Prop Open the Hood: step 2, image 1 of 2 How to Fix a Car Radiator Leak, Prop Open the Hood: step 2, image 2 of 2
      • Angle the hood prop into the hole on the underside of the car hood to keep it in place.

      • Ensure the hook is placed securely before releasing the hood to mitigate the risk of the hood falling.

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    3. How to Fix a Car Radiator Leak, Parts of the Car: step 3, image 1 of 1
      • This section is a reference photo of where to locate the different parts of the car we will be using in this guide!

      • This is the coolant reservoir, which holds your cars coolant to keep the engine from overheating during use.

      • This is the radiator cap that is connected to the radiator. The cap itself regulates the pressure in the radiator to prevent overheating!

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    4. How to Fix a Car Radiator Leak, Open the Radiator Cap: step 4, image 1 of 1
      • Open the radiator cap.

      • Turn car off and wait 30+ minutes. This ensures the coolant is not at a dangerous temperature and pressure while opening the radiator cap.

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    5. How to Fix a Car Radiator Leak, Fill the Coolant Tank: step 5, image 1 of 2 How to Fix a Car Radiator Leak, Fill the Coolant Tank: step 5, image 2 of 2
      • Take the cap off, pour the coolant into the tank then close the cap.

      • The cap should be marked "Coolant" or as it says in the picture, "Engine Coolant." Consult your vehicle's service manual if you are unable to confirm this.

      • Make sure you choose the correct coolant. Different climates require different antifreeze mixtures.

      • Do not overfill your coolant. Check your service manual to see how much is needed. A fill line may be referenced on the coolant reservoir.

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    6. How to Fix a Car Radiator Leak, Start the Car: step 6, image 1 of 1
      • With the hood still open, start the car.

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    7. How to Fix a Car Radiator Leak, Add Radiator Sealant: step 7, image 1 of 1
      • Slowly pour the entire K-Seal container into the radiator before closing the radiator cap.

      • K-Seal is used in this guide, however Bar's has been highly rated for it's reliability. You can purchase Bar's for your radiator here.

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    8. How to Fix a Car Radiator Leak, Start the Car: step 8, image 1 of 1
      • Leave the engine running for 10-15 minutes more.

      • This will let the K-Seal liquid run through and close the hole where the leakage was coming from.

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    9. How to Fix a Car Radiator Leak: step 9, image 1 of 1
      • After turning the car off, recheck the quantity of coolant in the reservoir (refer to Step 5). Add more coolant if necessary.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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Radhika Hira

Member since: 01/19/21

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