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Old 05-26-2019   #6
Dynomite
 
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Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,816
Default Re: Pulley Failure

Quote:
Originally Posted by Locobob View Post
Well I pulled the belt off and the pulley seems to spin freely by hand... although that doesn't mean it doesn't perform differently under load. The belt doesn't look terrible, its a little chewed up in a couple of spots. I need to check my notes for the belt size, I have the underdrive pulley set from SRP. I have Gates and Dayco pulleys available locally. I believe Gates is supposed to be the gold standard but with all the outsourcing going on who knows anymore. I did rebuild the tensioner a few years ago because it was chattering badly, I haven't seen any sign of it bouncing around since so I'm guessing that part of the assembly is okay.
Did you modify the Tensioner such that the pulley inner hub was not in contact with the tensioner at any place? Take a close up photo of the Aluminum Pulley belt surface. Also a close up photo of the failed surface.

Was the Pulley Bearing Snap Ring on the outside or toward the engine?
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