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Re: leaking coolant
I just replaced the water pump gaskets on my wifes 03 1500 z71, and my 03 2500hd. they both had a very small leak at the water pump gasket that you could barely see, but the level slowly fell. the way they were leaking the coolant would trickle down the block and evaperate due to engine heat. never had any puddles, I had to use a shop light and take the skid plates and splash shields off to see it. gaskets were only about $20 bucks and I also flushed the coolant as I was draining it anyways. My 2500hd has 113000 miles and hers has 70000 and the dexcool still looked good(clean not gelled or nasty).
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