Breather Hose Location

[nocturnalmotors]

Was changing my oil last night and found this guy hanging on the right side of the transmission. Does anyone know where it's supposed to be attached? Has a clip that appears to slide over a stud.

[Another JR]

I’m not sure I can see the breather hose in your photo, but generally the breather hoses for driveline components are routed to a high location to keep water out if someone drives into deep water.  The rear axle breather hose, for example, is routed to behind the fuel filler location. I would think they would try keep the hoses away from the exhaust side of the driveline to avoid heat damage to the hose or coking.
 

 If it is a transmission or transfer case breather hose, I wonder if what you are looking at is the transmission or transfer case end of the hose that has become disconnected from the case vent. I’d get a mirror and light and locate the vent hose connections on the cases and make sure the hose is still connected. 
 

I can look at mine tonight if you still need a comparison at the end of the day. 2021 3500 hd cclb srw gas. 

[nocturnalmotors]

More pics of it.

[Another JR]

I crawled under and looked on both sides of the transmission and did not see anything like that. I could not get a view of the top of the transmission. 

[nocturnalmotors]

I'm starting to assume it's supposed to go directly above. If I can't get it, I'll bring it in. Thanks!

[sheath]

Good catch!

I can't see it on my truck either, but normally it is routed above the transmission towards the bell housing, to keep it as high as possible.

Great idea to take it in and have them re-mount it.

[nocturnalmotors]

I was able to mount to the top bolt on the bell housing.