Question about 1999 Ford Ranger SuperCab

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Ford ranger truck overheating

99 3 liter Ford Ranger pickup truck keeps overheating. Have changed the radiator, thermostat, water pump & clutch fan, radiator cap, belts. Continues to overheat with the heat gauge going up and blowing all fluids from radiator then return to normal.

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  • ct81888 Jan 15, 2009

    my 99 ranger v6 3.0 is overheating replaced thermostat clutch water pump top and bottom hose had it flushed pressure checked and still overheating while driving but when i let off the gas it goes back to normal but have to add more fluid because it comes out of reservoir!

  • GJhogle Feb 13, 2009

    I have a 2000 ford ranger, I replaced the thermostat after over heating, this did not solve the problem, I then replaced the raidator with a new one and it still overheats. the temp gage is all over the place, just before over heating it loses the hot air in the heating system.

  • Anonymous Mar 25, 2014

    overheating

  • Anonymous Mar 29, 2014

    my 1996 ford f150 keeps overheating i have changed water pump radiator thermostat hoses and still runs hot

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I have had this happen with my ranger. Changed everything I could to try to fix the over heating. It turned out that I had a small leak in my head gasket and it was allowing exsaust gas to go into the cooling system witch was over pressurizing it. Also the air from the exsaust will heat up much faster than liquid making your thermostat to read hot and will not be able to blow hot air in the cab because there is no liquid going to the heater core. This happened to me when my blet came off and I tryed to make it home. If you had it over heat for a long peirod of time it may have ripped the head gasket.

Posted on Feb 21, 2009

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You did let it run quite a while with heater on full while refilling the coolant to make sure all air bled out right? Well try it again with cap off, and rev the engine slightly once in a while for a few seconds, then let it idle again. Keep doing this as long as your gauge stays in normal range, Until you can see the flow increase in the rad, about 2 or 3 times at least. You'll see it flow faster when the thermostat opens. while watching it, keep an eye for bigger size bubbles, which indicates air obviously, but they should disappear or at least get very minimal after a while. Continuous larger bubbles, may indicate a bad head gasket, or cracked/warped head, or both. Let's not go there until we try the other though. Feel your rad hoses too, (squeeze them) especially your lower one, as it could be soft & spongy, and collapsing during driving & restricting the flow to the engine. If it feels weak at all, after all you've done, I'd do them too just to be sure, if they feel weak at all. Keep us posted

Posted on Dec 21, 2008

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Waterpump bad blades gone

Posted on Mar 23, 2009

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Did you put stop leak before?

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