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Central IL | I would question quality of grease being used as a possibility. I had more issues with plugging zerks when i used farm store grease. So with four directions for the grease to go it does not take much imbalance to block off one or two ports and only push grease to a couple caps. Other thought is not pushing enough grease to “clean” out the old. Maybe your just that unlucky to get the ones off the line that had a bit of obstruction in them from the factory. | |
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you joint grease only going to half the joint.
