Saturday, December 26, 2009

I have a 2003 Ford Expedition with a mistery water leak. It's not in the heater coil or oil any other ideas?

it's not visable from any of the hoses. I have to put water in it every couple of weeksI have a 2003 Ford Expedition with a mistery water leak. It's not in the heater coil or oil any other ideas?
is it going in to the oil do you think ?,is oil going whitte colour


good luck hI have a 2003 Ford Expedition with a mistery water leak. It's not in the heater coil or oil any other ideas?
Have you noticed any water leaking beneath it after you park? If so, you should be able to crawl underneath and see where it is leaking. A likely cause that is often hard to detect is the water pump. If not, then feel the floorboard mats below the front seat(s); could be a slow leak in the heater core. If not, then I'd begin to suspect a leaking head gasket.
you may have a head gasket seeping through on it that will cause it t run the water through the engine and you not notice any large amount of steam on it,i ran across one that before on one of those,and you wont even know it bad,i finally had to tear this one down to fine it,id have a pressure check ran on it to see if that was it,it will show up under enough pressure,good luck..
could be a pinhole any where ..water only leaks out on high pressure (that is when on operating temperature)..take radiator out have it pressure tested at a radiator shop near you ..start there than maybe take water pump out and replace gaskets if pump is not faulty...thats all i can think off..since you eliminated few areas already
try looking at your waterpump or your freezeout plugs ....if its freezeout plugs most are easy to get to. they cost 3.00-5.00 to buy

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