I had one that I had to pull the bolt out and clean out the hole in the bolt it was plugged up and no grease could to through to the bushing. I used a small drill bit and it works great now.
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Bob & Carol Washington St
2017 HC HM352RL 2018 Dodge 3500 laramie CC LB 4x4
Curt Q25 with puck system, Factory air bags
Happy Trails
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