Question about 2003 Ford Ranger Regular Cab

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2.3l ranger keeps overheating, been through two radiators already.

I have an 2003 2.3l ranger, about six months ago my radiator started leaking, and engine overheated because it had no coolant. I replaced the radiator and put in a new thermostat. two months later it's leaking again and the engine starts overheating again. so i replaced the radiator, then thinking that something had to be wrong for it to go bad, i replaced the pressure cap and the water pump. I thought i had it fixed, until the other day when i noticed coolant leaking again. I've kept a close eye on the temp gauge and it's never gone above normal, unless it's out of coolant. Which happens after i've noticed it leaking. Help!

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  • Ranger Joe Nov 07, 2008

    Yes, i've seen it leak on both of the radiators, it comes out right around where the plastic endcaps meet the alumminum. It's happened on both sides, in random places. right now it's leaking around the lower hose but slightly above it. I replaced the hose clamps thinking that maybe that would be it, but it's still leaking.

  • Anonymous Mar 16, 2014

    1997 pathfinder engine overheated due to crack in top of radiator just below the cap, fixed crack and coolant started spraying from the cap, bought new cap but it did not fix the problem. Why won't the cap seal?

  • Anonymous Mar 22, 2014

    radiater leaking wana replace it with new one

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Hello Ranger Joe, eight months and two radiators is very uncommon. Question, Have you visually confirmed the leak in the radiators or is the leak near the hose connections? Replacing the radiator, cap, water pump, & the thermostat leaves only two others, the hoses and the engine block/heads. Far fitched will be something or somebody poking holes in the radiator.

Posted on Nov 07, 2008

  • Gene Pitts Nov 07, 2008

    Check the mounting & support of the radiator also replace the hoses with the type not using plastic endcaps, complete rubber hoses.

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