- Dec 4, 2011
- 327
I am thinking it is the secondary air injector pump (or whatever it is called) that The Roadie is always talking about
. Can anyone confirm? This noise happens about 30 seconds after I start the vehicle. Always wondered what it was, LOL
Sorry for the poor video:
[video=youtube;pOdidnHcPhU]http://www.youtube.com/watch?v=pOdidnHcPhU&feature=youtu.be[/video]
2006 Trailblazer
117K miles
Thanks!
Chris

Sorry for the poor video:
[video=youtube;pOdidnHcPhU]http://www.youtube.com/watch?v=pOdidnHcPhU&feature=youtu.be[/video]
2006 Trailblazer
117K miles
Thanks!
Chris