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Discussion Starter #1
I have had my 2006 civic dx-g for about 4 years also brought it to Honda because the oil changes there are about the same price as
as a garage and include wash and Vac, I realize after all this time they don’t ever recommend to me or tell me anything about the radiator fluid condition finally checked it myself and it’s brown, I’m going to pick up a test tomorrow, my question is do I need a flush or just drain and fill, can’t seem to find an agreed on answer on google /:
 

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If the fluid is that bad a full flush is the best idea. Chrisfix has a great video on how to do a flush.

As for the coolant if it says its the Honda coolant then it is. It also wouldn't matter if you used standard 50/50 as the stock stuff is nearly identical but blue.

This is what the bottle should look like.
242017
 

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If a non-Honda coolant was used before, it is recommended to do the flushing. Otherwise, drain and refill.
 

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Discussion Starter #5
I checked the coolant and color looks pink not as dark as I thought when I used a tester, I wonder if previous owner put something else in it
 
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