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Losing coolant

2926 Views 12 Replies 7 Participants Last post by  rlitman
My current truck (the one I will soon be getting rid of) is starting to lose coolant over a rather short period of time. For the past few years I've had to add coolant about 1 or maybe 2 times a year, never really thought anything of it as it wasn't that often that I would have to add some. Well, I just added coolant back in mid-January when my "low coolant" light came on. And just yesterday my "low coolant" light came on again! I just added coolant 2 months ago and now I had to again?!

I can't see any leaks on my garage floor and it doesn't appear to be leaking while the truck is parked. I have a feeling that this will be a fairly expensive repair.

Anyone have any idea if this actually will be an expensive repair or what might be the problem?
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I had the same problem in my 6.0 liter gas chevrolet engine. coolant was leaking rather quickly. Come to find out my water pump was on the way out.
When the water pump bearings start going, there is a pisser under the pump.
it leaks out. I just kept filling the coolant. but one day there was a nasty squeaky noise. changed the belts, sprayed all kinds of belt crap. Guess what water pump shot. the truck didn't't even over heat. i dont know.. that was my issue. I recommend taking off the belt. On the water pump clutch fan, see if it has play. if so it's shot. I can almost bet it the water pump. go ask the advanced auto guys. they will tell you the same thing, about newer truck water pumps. they piss out fluid slowly to forcast water pump damage..
hope this helps

Also had problems like you stated above a year prior. coolant was leakin slowly.had to put a little in twice a year. then more. then on day that happen above
If the coolant was in your oil. you woud know just by pulling the dip stick.
The oil would look milky.
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