Got a "new to me" ranger and I'm trying to go around and fix all of the little issues that are bugging me. Right now I'm trying to fix the top door latch on both of the rear doors. The bottom latches have been adjusted and latch tight. The top latches have me stumped. Is there any way to adjust these? I removed the top trim around the striker but it does not have any adjustment. The doors are really loose at the top and rattle when we hit the back roads. Suggestions?

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2005 Ford Ranger XLT Supercab 4x4, 4.0L V6, Auto, 4.10s, 33x12.50x15