coolant fitting on engine 3.0 ranger is leaking - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 01-13-2016
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coolant fitting on engine 3.0 ranger is leaking

hi guys, im new here, im having an issue with my ford ranger 2000, 3.0l. i did a coolant flush and after that it start leaking next to the water pump, on the fitting it connects the 3 way hose to bottom radiator and also the heater hose? im pretty lost here and i have no idea how to call this part, i already replace the hose and its still leaking.

no idea if the water pump need to be replaced or is the metal fitting what is damage, can this part be replaced or is actually the engine block?
here is a picture of the exactly part where it is leaking (found it on internet, not the actual truck)

can you guys give me a little help in here? it will be appreciated
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Old 01-13-2016
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The water pump has a gasket and is mounted to the Timing chain cover(lower rad hose outlet is on this), which also has a gasket mounted to the block.

Either gasket could be leaking, I doubt the metal is cracked, could be but a long shot.

You can get UV Dye Kits, Google: UV Dye Kits

You add some dye to the coolant and then drive the vehicle normally, keep coolant topped up.
UV(ultra violet) dye is safe to use in coolant, oil, freon, ect.......systems to find leaks, and because it can only be seen with a UV light shining on it it won't visibly stain any parts, or driveway/garage.

After using it drain cooling system and remove lower rad hose, becareful not to splash coolant in the area of the suspected leak or you will get UV dye all over that area.
Now see if you can tell which gasket is leaking by the UV dye trail on the parts.

Hopefully it is just the water pump gasket, timing cover gasket is much harder to change.
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Old 01-26-2016
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this info is absolutely great, Thanks man! I did not know the name of that thing and now I can find more info about it.
I cant find any UV Dye kit down here (mexico) but I will keep looking for it,

its leaking like a quart daily, but just leaking when I use the truck, do you think thigtening the bolts would be a good idea?, I Hate this, because it was good, but like I said, as soon as I cleaned quite deep, it start leaking :/

any suggestions? I don't feel like sending to replace the water pump and timing chain just for to fix this leak, but do you guys think almost a quart daily is much?
Thanks

Last edited by cornellrpg; 01-26-2016 at 01:27 AM.
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Old 01-26-2016
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It should get worse over time, if you are just adding water to top it up then it is free so just keep driving it if you want.
But at the first sign of overheating STOP!!!! DO NOT try to make it home
Carry water with you and top it up after it cools down.

Yes a quart a day from a system that doesn't lose ANY coolant for years when working correctly is alot
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