Loose hose top of the transmission?

2007 MERCEDES BENZ ML320
233,000 MILES • 3.0L • V6 • TURBO • 4WD • AUTOMATIC
Avatar
CG1998
  • MEMBER
  • 1 POST
I found a loose elbow shaped hose coming out from on top of the transmission. What is it for?
Jul 2, 2025 at 11:19 AM
Avatar
STRAILER
  • ✓Experienced Mechanic
  • 55,554 POSTS
Yep, this hose is a vent for the transmission, it is normal. This is the reason you don't drive your car in deep water. :/ Let us know if you need anything else.
Jul 4, 2025 at 2:24 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle