Vent hose lines

[Doppleganger]

I have 2 hard lines left over at the rail - one goes from the tanks to the canister - anyone know what the other one goes to (one towards the bottom of pic)? THX

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[fast 99]

Vent for front diff. Hose goes all the way to top rear of core support.

 

[Doppleganger]

Vent for front diff. Hose goes all the way to top rear of core support.

Ok...makes sense.

THANKS