If distilled water is anything like "spot-free" rinse water used in my
carwash (and I think it is), I would not put it in my
radiator.....Distilled water is mineral free, as is spot-free (no
minerals, no spots). I've found the mineral free water "attacks" many
materials....copper lines, rubber seals, etc. I had to replace many
pump lines with stainless steel plumbing, and I'm continually fighting
leaks. Spot-free water is chemically reactive and I expect this is the
source of Mercedes Benz's concern....I think I'd redo the radiator
flush...Phil
On Wed, 15 Mar 2000 07:44:03 -0800 "Philip Haldeman"
<haldeman@accessone.com> writes:
>
>A month ago, I had the coolant system flushed in my TR6, and thinking
>I was
>being consciencious, replaced it with a 50/50 mixture of antifreeze
>and
>*distilled* water. Last night, I was reading a popular book on
>collector
>car maintenance and came across this:
>
>"Mercedes Benz and a few others have gone to the extent of specifying
>the
>characteristics of the ideal water to use in coolant. They make the
>strong
>point that distilled water NOT be used in your radiator. Distilled
>water is
>'mineral hungry', and will look to your engine block and other cooling
>system components to try and absorb those minerals."
>
>The author says he uses a certain brand of bottled water (Black
>Mountain)
>that falls within Mercedes specifications.
>
>So now I've got to replace the coolant again???!!!
>
>--Phil Haldeman
>haldeman@accessone.com
>
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