Quote:
Originally Posted by Z_ealot
That was my thinking right there too, i ran a bottle of the prestone super flush cleaner through the system for a few days before i swapped out the radiator and did get a pretty good chunk of white powdery stuff that ended up inthe overflow reservoir if that tells you anything
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That chunk may have been part of the impeller. I'd plan on replacing the pump and doing a very close inspection of the entire cooling system. If the corrosion is bad enough to eat the impeller, no telling what other damage has been done and what has been plugged up.