Leaking trans oil from mystery tube?

[Faulk74]

First time posting to this or any forum so still trying to figure it out, so sorry if this comes out wacky.

My 06 H3 Adventure started leaking what seems to be transoil (red tinted) from a black hose underneath that seems to go to the engine compartment, but no where else.

Any idea what the hose is and how concerned I should be?

Thanks did the help.

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Leaking trans oil frI'm mystery tube?

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[Faulk74]

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[alrock]

Hard to tell, but that's likely the transmission breather hose. If that's the case, it may have fallen out of position and is leaking because it's too low. That hose goes somewhere - trace it back. If it is the transmission breather moving it up, even on top of the trans, may help and then zip tie it in place.

 

[Reloader]

Yeah that's the transmixer vent hose and it looks to be secured properly in that black plastic clamp near its end.
this can be caused by an overfilled trans, an overheated trans possibly due to a burnt up torque converter.
What does fluid look like? Is it dark or black and smells burnt? Or does it look like a strawberry milkshake indicating coolant contamination
from a cracked trans cooler in radiator

 

[Reloader]

Is transmission still shifting properly? If so a fluid and filter change might be in order. Change transfer case also. Uses same Dex 6 as transmission.

 

[Faulk74]

From what I can tell everything still operates perfectly; drives great and shifts smooth.
The fluid barely has a smell and looks mostly clear. It was reddish in color the one time I actually noticed any color at all.
I'll try to check the transmission fluid again the afternoon, it was 100 degrees outside and I had been pulling a small/light trailer so it was tough to get a read on the stick.


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[Faulk74]

Update: took it to the dealer since they had topped off the fluids recently and to me the transmission fluid looked over filled. It WAS over filled, by a LOT.

They are replacing and changing the filter. Hopefully that solves the problem. Sounds logical anyway; too much fluid making it overflow through vent line on a hot day.

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[JPaul]

"Hmm, it says it needs 5 quarts. A quart is like a gallon, right?"

I had that happen when I had a PT Cruiser, took it to the dealer for an oil change and when I went to change the oil 5K later it was still about a half quart more than it should have had in the first place, and that car burned about a quart between oil changes usually.