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How do you clean a used radiator?

Published in Automotive Maintenance 2 mins read

To clean a used radiator, you'll need to remove any debris and grime to ensure efficient cooling. Here’s a step-by-step guide using a diluted cleaner:

Cleaning Process

  1. Dilute Cleaner: In a large container, mix one part Simple Green Pro HD Heavy-Duty Cleaner with three parts water. This creates a solution powerful enough to cut through grime without damaging the radiator.

  2. Apply Solution: Spray the radiator thoroughly with the diluted Simple Green solution. Ensure you cover all surfaces, including the fins and any hard-to-reach areas.

  3. Remove Foreign Objects: Carefully remove any large debris, such as leaves, insects, or dirt, that are lodged in the radiator fins. Use a soft brush or compressed air to dislodge stubborn particles. Avoid using sharp objects, as they can damage the delicate fins.

  4. Rinse: Thoroughly rinse the radiator with clean water to remove all traces of the cleaning solution. A garden hose works well for this purpose. Make sure the water runs clear, indicating that all the cleaner has been washed away.

  5. Dry: Allow the radiator to air dry completely before reinstalling it or storing it. You can use compressed air to speed up the drying process.

Additional Tips

  • Safety First: Always wear gloves and eye protection when handling cleaning solutions.
  • Avoid Harsh Chemicals: Refrain from using harsh chemicals or abrasive cleaners, as they can damage the radiator's finish or core.
  • Check for Leaks: After cleaning, inspect the radiator for any signs of leaks or damage. Address any issues before reinstalling the unit.
  • Professional Cleaning: For heavily soiled or corroded radiators, consider professional cleaning services for a more thorough restoration.

By following these steps, you can effectively clean a used radiator and ensure its optimal performance.

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