Coolant Leak?

[Z71Sierra]

More like this. Tried to take a pic of mine but its too dark so this is something close.

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What is the line attached to it?

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[IOWNJUNK]

Disregard the line, the pic was only to show you what the drain valve looks like. On the barbed fitting should be a drain hose also. Dont know what vehicle the pic is from, I pulled it off google.

 

[Osiris94ej]

Some of the radiator's didn't come with the plug. If it happens to be aftermarket chances are more likely. My 97 suburban I had, the radiator in the truck didn't have a drain but my replacement did but I also sent with a thicker radiator. The drain hose I have never seen on 02 and older trucks in my experiences.

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[Z71Sierra]

Now could that weep from an over pressurized system? Like having to break a cold truck free from the ice holding it to concrete?

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[Z71Sierra]

Iirc it was single digits with below zero wind chill

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[RHamill]

Could be coolant dripping down from the drivers side front corner of the intake manifold gasket, I had one start leaking on the pass. side making me automatically assume it was the most popular heater hose quick disconnect fitting breaking from manifold.

Chances are it is a pinhole leak on a radiator hose that expands and contracts with extreme temperature changes.

 

[Z71Sierra]

This was about as far forward in the engine compartment as it could be, just under and behind the radiator.

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[RHamill]

This was about as far forward in the engine compartment as it could be, just under and behind the radiator.

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Oh.... maybe a hairline crack on radiator, I doubt the pet-cot is leaking.

 

[Z71Sierra]

If it is, are there any advantages to buying a better than oem radiator?

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[Z71Sierra]

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Drivers side looking forward. No puddle, no noticeable drop in coolant level

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