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Showing posts from May, 2025

Box Truck Door Won’t Latch—What’s Wrong With My Lock Bar or Keeper?

  “Box Truck Door Won’t Latch—What’s Wrong With My Lock Bar or Keeper?” You slam the swing doors and the handle just won’t bite. The lock bar rattles, the cam won’t seat in the keeper, or the handle pops back open on the first bump. Now you’re asking: “Is my lock bar bent? Is the keeper worn out? Why won’t this box truck door latch?” This longform guide explains how swing‑door latch systems work, the most common reasons they refuse to latch, how pros diagnose and fix them, and what you can do to prevent repeat headaches. We’ll also cover when insurance might pay and what questions to ask your repair shop. Quick Takeaways Most latch problems come down to misalignment : bent lock bars, shifted door posts, worn hinges, or keepers that are wallowed out. The door system has multiple wear points —handle bushings, cam keepers, guides, hinges, weather seals—any one failure can keep it from latching. A proper fix starts with measurement and adjustment , not brute force. Slammin...