# What does the vacuum do with the BOV?

**URL:** <https://forum.g2ic.com/t/what-does-the-vacuum-do-with-the-bov/29956>\
**Category:** Forced Induction\
**Created:** [October 31, 2002, 12:57am UTC](https://forum.g2ic.com/t/what-does-the-vacuum-do-with-the-bov/29956 "2002-10-31T00:57:23Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [October 31, 2002, 12:57am UTC](https://forum.g2ic.com/t/what-does-the-vacuum-do-with-the-bov/29956/1 "2002-10-31T00:57:23Z")

</div>

I am curious how the vacuum does anything for the BOV. I know that you have to have a vacuum line on it but what does the line do?

---

<div class="post-metadata">

**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [October 31, 2002, 7:31am UTC](https://forum.g2ic.com/t/what-does-the-vacuum-do-with-the-bov/29956/2 "2002-10-31T07:31:55Z")

</div>

it pulls the BOV open