# Vacuum

**URL:** <https://community.cartalk.com/t/vacuum/49360>\
**Category:** Maintenance/Repairs\
**Tags:** safari, gmc\
**Created:** [May 25, 2010, 3:05pm UTC](https://community.cartalk.com/t/vacuum/49360 "2010-05-25T15:05:05Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![dm\_allen00](https://avatars.discourse-cdn.com/v4/letter/d/ee7513/32.png) [@dm\_allen00](https://community.cartalk.com/u/dm_allen00)\
**Post date:** [May 25, 2010, 3:05pm UTC](https://community.cartalk.com/t/vacuum/49360/1 "2010-05-25T15:05:05Z")

</div>

The AC in my 1992 van will only blow thru the defrost and the floor vents, and it is also idleing rough.When you put it into drive it’s sort of like riding in a motorboat at low speed, could this be related? It has 215,000 mi. showing on the speedo.