Thread: Vibration ?????
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Unread 03-02-2012, 07:56 AM   #6

Name: jonnie325ix
Title: United Newb
Status: Offline
Join Date: Jul 2011
Location: NW Hills CT
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Your Ride: 2004 325 XI
Originally Posted by Manolito View Post
An unusual growl when the hood is up can also be a failed check valve on the exhaust manifold.

Be sure to check that before it destroys your secondary air fan. Just disconnect the hose between the check valve and the fan and see if exhaust leaks up the hose when the car is running.
I will be sure to do that,

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