What is this plug coming out of my transfer case?

[jteck10]

I've seen this before, and i didnt think much of it, then changed my oil again yesterday and realized its coming out of my transfer case
i daily drive the blazer, and shifting hasnt been an issue in regular or overdrive (except for a code 43 im going to fix soon)

any idea what this is for and where its supposed to get plugged back into?

 

[Fastereddie]

I've seen this before, and i didnt think much of it, then changed my oil again yesterday and realized its coming out of my transfer case
i daily drive the blazer, and shifting hasnt been an issue in regular or overdrive (except for a code 43 im going to fix soon)

any idea what this is for and where its supposed to get plugged back into?


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That’s the vent hose/breather. Make sure the end isn’t smashed shut. Just route it up as high as you can.

 

[jteck10]

That’s the vent hose/breather. Make sure the end isn’t smashed shut. Just route it up as high as you can.

got it, will do. thanks!

 

[Fastereddie]

got it, will do. thanks!

You bet

 

[sweetk30]

And its missing the cap on it .