Gm Global Technolgoy Operations, Inc.

Andrew Laskovy

Kenneth C Tesner

Hoang Luu Vo

Michael H Welch

A vent assembly connectable to a transmission housing includes a stem, a membrane and a cap. The stem has an annular flange, a first end, a second end, and a through bore extending between the first end and the second end. The first end is connectable to the transmission housing and the second end has at least one flange and an annular rim. The membrane is located on the second end of the stem over the bore. The cap has a base and an annular wall extending from the base. The annular wall of the cap is deformed at a terminal end against the annular flange of the stem at discrete locations, where an undeformed portion of the annular wall of the cap creates at least one channel axially extending along the stem. The at least one channel creates a path between the cap and the flange of the stem.

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Auburn Hills, MI, United States of America

Andrew Laskovy