Radiator Flush: The Basic Steps To Change Your Engine’s Coolant

Radiator Flush: The Basic Steps To Change Your Engine’s Coolant

If you are constantly adding water to your radiator. You may have a coolant leak somewhere, possibly at one of the radiator hose’s, radiator cap, or water pump. But your coolant system may just require radiator fluid/anti-freeze. Anti-freeze’s come in different color’s, so be sure to have the correct radiator fluid/anti-freeze. The most common color of engine coolant will be green, but there are others. If you are not sure what engine coolant to use, you can ask your local automotive parts dealer.

A proper maintained engine coolant system will contain a 50/50 mixture of anti-freeze and water. Half water and half anti-freeze filled to the radiator cap. Some coolant systems will have an additional tank(made of plastic) that will also require engine coolant. It will be connected to your radiator via a small rubber hose. Note: If your radiator only has water, your vehicle may be vulnerable to over heating. As water will evaporate at lower temperature’s than a 50/50 mixture. So the lower the fluid in your radiator the hotter your engine will run, be sure to check your radiator mixture and level for proper engine coolant maintenance.

1.) Make sure that your vehicle/engine has had sufficient time to cool down. Your vehicle can and will reach extreme temperature’s even in a short amount of time/distance traveled. You will need a bucket or pan to catch the drained coolant. All radiator’s will have a drain plug(plastic bolt) at the bottom for radiator flush’s. Remove this plug and allow the coolant to drain into the bucket.

2.) After your radiator has been drained(dispose of all radiator fluid’s at your local automotive parts store), put the drain plug back. Be sure to have the plastic rubber seal on the drain plug. If your drain plug has a damaged seal, replace the seal with a new one. The rubber seal prevents engine coolant leaks at the radiator plug.

3.) Now fill your radiator with a 50/50 mixture of engine coolant. Quick Reminder: It is important that your radiator fluid is disposed of properly as it hazardous to the environment.

Special Note: Some radiator’s are wider and taller, so be sure to purchase enough anti-freeze. Check your vehicle’s owner manual for the recommended engine coolant maintenance, some vehicle’s may vary.

Updated: May 14, 2011 — 6:25 pm

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