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Old 07-30-2011, 09:18 AM   #13
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Join Date: Jul 2011
Location: Central Missouri, USA
Posts: 6
My Ride: 2001 330i (Manual)
Originally Posted by BQuicksilver View Post
How can you tell if the tensioner pulley is on backwards? I just installed a new mech tensioner and still have a squeal on starup if the car has been sitting. I believe the pulley was attached to the unit before I received it.
There should be a dust cap covering the T40 Torx screw. If that screw is exposed and the dust cap won't snap on, it's backwards. Watch my video also, because you will notice the belt isn't resting evenly on that pulley.
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