How Do I Maintain My Flat Fin Radiator?

Taking care of your Flat Fin Radiator is not a lot of work, but it will definitely make a huge difference and will prevent you from experiencing troublesome surprises on the road. Here are some tips for you to keep your Flat Fin radiator running in peak condition:

  • Regularly Perform a Radiator Flush

For your radiator to do its work effectively, it needs to be free from any dirt or blockage. You can make sure your radiator is clean by doing a radiator flush.

So here’s how you can do a Radiator Flush:

Step 1: Prepare all needed materials (radiator flush solution, coolant, funnel,
cloth, screwdriver/wrench, container for draining), and make sure your engine is cold before anything else.

Step 2: Place your used coolant container beneath your radiator’s drain, and
then open the radiator’s drain plug using a screwdriver or wrench and let the coolant pour out into the receptacle until it is empty. Close the drain plug.

Step 3: Remove the radiator fill cap and pour the radiator flush solution, then fill the remainder with water. Replace the radiator cap.

Step 4: Turn on your engine and warm it up for about 10-20 minutes.

Step 5: Turn off the engine and let it cool.

  • Do a Radiator Coolant Check

Your car’s coolant helps maintain optimal temperature. Thus, it prevents overheating and protects your radiator. It is a mixture of 50% water and 50% glycol, depending on your vehicle. Glycol is an antifreeze that has special properties; it guards the radiator from corrosion and rust.

To check your coolant level, you simply need to look at the white plastic overflow tank beside your radiator. These containers usually have high-low level labels on them which will help you determine if it’s time for you to replenish you coolant. If your coolant level is already low, just remove the cap on your coolant tank and add your mixture until it reaches its recommended level again. And then, place back the cap to close the receptacle.

It is also good to know that there are three types of anti-freeze.

  1. Ethylene Glycol or Polyethylene Glycol – a standard coolant for most radiators
  2. Non-Toxic Radiator Coolant – a coolant that doesn’t have ethylene or polyethylene glycol which are both toxic (if one is exposed to great quantities for long periods of time)
  3. Extended-Life Anti-Freeze Ethylene Glycol Coolants – this is the one lasts longer than the others

Moreover, here are other additives you can use:

  • Nitrates – corrosion inhibitors, buffers
  • Silicates – corrosion inhibitors, especially for aluminum radiators
  • Carboxylates – buffers, corrosion inhibitors
  • Borates – buffers which help reduce corrosion and cavitation, extends the life of a coolant, raises the boiling point of a coolant, and protects from the acidity of an anti-freeze.

Do not mix different types of anti-freeze. This can decrease the effectiveness of your radiator. Always perform a radiator flush before changing types.

Additional Tips

-Always make sure your engine is cold before removing the radiator cap. Touching a hot engine can cause minor or serious burns if you’re not careful.

-Keep the coolant waste away from the reach of children and animals because it is toxic.

-Properly dispose waste coolants according to local hazardous waste regulations.


About Yna

Yna is one happy bunny who loves exploring, learning, and growing. She is a licensed nurse who also works as a part time writer. Aside from writing, she often expresses her emotions through singing, which she considers as one of God's best gifts to her.

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