What is this noise? Video inside.

silverunicorn

Original poster
Member
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 :smile:. 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
 

The_Roadie

Lifetime VIP Donor
Member
Nov 19, 2011
9,957
Portland, OR
That's it. Like a shop vac on steroids. Only runs on a cold start.
 
May 17, 2012
10
Well First Thing Is First. Pop Hood And Try To Listen to where its comin from. Im Thinking vacuum line leak.. reply back if you resolve.:thumbsup: i see the Roadie Has already Solved
 

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