Question about 2002 Mazda MPV

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Mazda MPV Coolant Loss (but no overheat)

I just bought a 2002 Mazda MPV and I noticed that there was no coolant in the reservoir. So, I added coolant until it was at full. A day or two later, I noticed again that there was nothing in the reservoir. I added coolant, and the cycle continues.

It looks like the radiator never actually lacks sufficient coolant, because I can squeeze the hose that runs from the bottom of the reservoir, and a little bit of coolant bubbles up into the reservoir. It seems like it looses just enough to empty the reservoir, and then stops loosing it.

Is this is a common MPV problem? It never overheats, and I've never witnessed any leaking. The funny thing is that I looked at my Mazda Protege, and it also has no coolant in the tank.

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I had the same thing on my wifes 2000 mpv van...the ends of the radiator are made of some sort of composite type had a slight crack in it....wasn't obvious until it got worse and started streaming water from it when warmed up....even after it cooled enough not to be spewing it was hard to actually see the crack though a few inches long....was hard to even see where the water and antifreeze mixture was coming from until i took out the radiator

Posted on Jan 13, 2009


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