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Caution using just water
Hi,
I have several cautions on using just water in a radiator of an auto.
1) The water boils at a much lower temperature than coolant
2) The coolant has lubricant, depending on water pump design, keeps bearings lubricated.
About 30 years ago, I did an engine flush, and filled the radiator with mostly water. Two months later, the water pump bearing failed!! Ouch.
Jim.
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