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Keeps overheating

(1990 Ford Ranger)
in Buffalo Lake, MN on July 05, 2016
I flushed it out 4 times. changed radiator and thermostat 2 times.overheats within 5 to 10 minutes. it ends up filling overflow and boiling to a hot enough temp to were it is boiling.
Displaying 2 answers & 4 comments
Popular Answer
on July 05, 2016
*Combustion leak test* ... Good luck!
on July 05, 2016
Thx. man. i'm on my way to the garage to try it now.
on July 05, 2016
Also, IF this is happening when in slow traffic or while stopped with engine idling .. Check the radiator 'fan clutch' .. Again, good luck.
on July 05, 2016
thanks again. Can you direct me to a sight on how i check that
on July 05, 2016
Is your water pump working? With engine running, warm (not overheated), open radiator cap, have a helper rev the engine a little and see if coolant is moving.
on July 05, 2016
Last time i checked it was. I have a feeling the prior owner used A bunch of that BARS LEAK. Thx. for the idea. i'm gonna check the fluid to see if it's flowing.
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