both idler pulleys changed style?
bought 2 new delco idler pulleys. they are different from the factory ones. still delco but the dust cap changed and idk what to do the old dust cap had the bolt built into it the new ones dont so when i bolt these on they dont spin straight they have a shimmy in them and that seems to be causing a very slight rattling. i double checked the dealer confirms thats the correct pulley but it makes no sense to me anyone run into this anyone changed their factory with the replacement delcos how did you get them to fit and spin correctly?
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