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ECMN | Don’t know about those specifically, used to work on bakery vans with 4BT Cummins. The pulleys on them had a tapered bushing in them. Look in the center under the nut see if you see a split. The pulleys we used the tapered bushing didn’t seat completely down so you can tell it was tapered at the top edge. If this all checks out I used an impact socket that slide in the bore of the pulley. A couple good smacks with a 2 lbs hammer and the tapered bushing would pop loose. This could totally be apples and oranges. | |
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