Q: My 2000 chev blzr ran hot then water was added after cooled down seemed OK drove it did OK then ran hot again

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My 2000 Chevrolet Blazer ran fine and then all the sudden it got real hot I bring it home cut it off let it cool down we checked all the fluids filled it up drove it approximately maybe 15 miles did fine and then before I got home it ran hot again what could be wrong

My car has 184000 miles.
My car has an automatic transmission.

If your engine overheats within 5 minutes then I would say it is a thermostat is stuck closed. In your case you drove longer than this before it overheated. You may have a water pump not pumping enough water or the cooling fan clutch is not locking the fan and needs replaced.

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