Quote:
Originally Posted by ghostzfh
Edit 1: When did I ever say it was being replaced constantly? I said "constantly replenishing". Constant could be any frequency. The definition of constant means occurring continuously over a period of time. So let me be specific, "topping off when needed". Also my car is still relatively brand new, under 10k miles. There aren't any signs of leaks that I know of, so it's doubtful I have a leak.
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As pointed out, see the title of your own thread "What is the point of changing coolant if it get's constantly replaced?"
Quote:
Originally Posted by ghostzfh
See Edit #1.
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The point of replacing coolant is so that you replace the capability of it to 1) protect the cooling surfaces it contacts, and 2) continue to act as antifreeze. Additionally, since there is no filtration capability, replacing the coolant in its entirety means you can remove any contaminants that are suspended in it.
"Topping off when needed" is great if it was pure water and nothing else, except if you ran only water the insides of your engine block would soon lose the ability to transfer heat to the water. Aluminum blocks oxidize over time as well as iron blocks, and once this takes place you will find it increasingly difficult to run the engine cool, especially if you take it to the track or otherwise live in very hot/humid conditions.
The entire point of having to replace coolant is so it continually provides the ability to cool your engine over time. The reason why the interval becomes more frequent over time is because the manual is written assuming some corrosion with the stock block will happen, thus you need to increase the frequency you replace the fluids as mileage or time increases.
-alex