96 tahoe

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DTan21

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I have a 1996 two door tahoe and when i pour water in my radiator i have two leaks, need help identifying 1de3ca7d1323638c6c1a740930dc26c7.jpg7179b3fdce88e8317a6a9851bd8b5fa9.jpg

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exp500

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If it's water leaking out of your circled holes, my guess would be a leaking frost plug at the bach of the block. How long you been adding straight water? And how fast is it leaking? Amount/time. A small leak you can try a sealer.
 
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DTan21

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Its instant, leakes when i pour water into radiator. You reccomend we trying some sort of seal for both areas. I just got this a few days ago.

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exp500

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How much leaks in how much time? Sealers only good for small leaks. Under a quart/hr. Also,look around your cylinder heads too see if there is a water track from blown head gasket
 

OR VietVet

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I was gonna say the heater hose connections at the firewall but if you are adding fluid and the leak starts as soon as you start pouring in the fluid, then @exp500 is likely right. Remove the inspection cover at the front of trans and watch again while pouring fluid in. There are freeze/welch plugs all over the engine, front, back and sides. Check them all because if one is leaking then others may be ready to leak through where the rust/corrosion is at. Would not hurt to look up at the back of intake on each side or from the top with a mirror if needed. Also the head gaskets. May need to do a compression test for that.
 
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DTan21

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I drove it home fine. From Antioch to Sacramento, no problem. Stopped a few times and when i finally got it home it leaked

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DTan21

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It has a lil rust around the radiator hose under the hood. But it leaks right after i put water in the radiator.

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DTan21

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Im not a mechanic. But i would like to work on this. Just need info on what parts are.


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east302

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Have you watched from below while someone topped off the radiator?

First guess would be the heater hoses or the plastic valve on those lines near the passenger firewall.
 

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