Mystery coolant leak, 5.3 2002 avi

Discussion in 'Chevy Avalanche Forum (Escalade EXT)' started by P-Dub, Apr 21, 2017 at 12:03 AM.

  1. P-Dub

    P-Dub Member

    So I had a mystery coolant leak, and I thought I would share what I found out for others.

    My low coolant light would come on and sure enough the coolant was low. I would add some water, 2-3 weeks later the same thing, Every time I would look for leaks, nothing.

    I thought maybe it was this or that but nothing, (I came up with some crazy ideas too I might add) one day I finally saw water under the truck, Eureka, but no, still could not find the leak. Well... I finally saw water actually dripping under my truck, then I drove back to work and it stopped no more leaking. WTH

    It was the water pump slowly going out, I have never had a water pump go out like that, either its working or its pissing out the bottom.

    This may be a Chevy thing, but anyway, just wanted to share this for any other poor schlub that s scratching their head.

    RayVoy likes this.

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