Engine Coolant
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Engine Coolant
Hello. I have a 99 Honda Civic Sedan. How often should you replace the engine coolant? I bought the car in Summer 2005 and I haven't changed the coolant since then. I do about 10,000km/year. When should I replace the engine coolant?
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Re: Engine Coolant
I think I'm going to have to replace the engine coolant since I haven't changed it in 4 years. Should I replace it with Honda OEM engine coolant or aftermarket coolant?
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Re: Engine Coolant
The only aftermarket coolant I would use is the Havoline orange Dexcool. You can get it pre-mixed and pay more, or not pre-mixed and pay less. Walmart, Pep Boys, Checkers, or Autozone should have it. Other aftermarket coolants are said to tend raise the chances of early failure of the water pump, due to incompatibility of the water pump (bearing?) metals and the coolant chemistry. This was also my experience when I used other than OEM or other than the Havoline. I have been using the Havoline orange Dexcool for seven years now (changing every two years, 30k miles per my--and your 99's--owner's manual) and have had no problems. I know some other Honda owners who have also used the Havoline orange Dexcool for years now and think it is as good as the OEM coolant.
Give your Civic's cooling system a good flush, since the coolant is pretty old.
Edit: For non-premixed, use only distilled water.
Give your Civic's cooling system a good flush, since the coolant is pretty old.
Edit: For non-premixed, use only distilled water.
Last edited by honda.lioness; 05-11-2009 at 06:13 PM.
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Re: Engine Coolant
Honda OEM coolant is great stuff and its not really that expensive even, totally worth it to me, I never use anything else in a honda.
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Re: Engine Coolant
I imagine tap works fine, wouldn't save much money if you had to get distilled too. I haven't got stuff that isn't premixed in a long time though.
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Re: Engine Coolant
I been using regular water for to dam long now. I keep forgetting to stop and buy some Preston 50/50 Antifreeze. but after reading this that OEM Blue coolant by Honda sounds better. how much for a gallon?
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