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9 votes
1 answer
722 views

Excessive Coolant Expansion: Part 2

This is a continuation of my excessive coolant expansion question regarding my 98 Mazda 626 2L. When I drained the coolant I noticed this black sediment which settled to the bottom of the container I ...
Robert S. Barnes's user avatar
2 votes
2 answers
85k views

Will a radiator suck fluid out of the overflow tank if I didn't fill the radiator completely?

I recently changed the engine coolant in my 2006 Prius. The system is the type which has the radiator cap on the radiator and a separate overflow tank. The whole system yielded about 1.5 gallons of ...
Carlo David's user avatar