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How to Replace a Trailer Hub, Bearings & Grease Seal
Posted by Paul Smith on
Follow the hub-removal and installation process step by step, then verify bearing numbers, seal size, bolt pattern and spindle fit before choosing the replacement hub.
How Electric Trailer Brakes Work — and How to Troubleshoot Them
Posted by Paul Smith on
Follow the brake signal from the controller to the magnets, then use R&P brake assemblies and fitment checks to diagnose weak, uneven, intermittent, or non-working electric trailer brakes.
7-Way Trailer Plug Problems: What Do I Actually Need?
Posted by Paul Smith on
Trailer-side plug, truck-side socket, 4-flat conversion, full rewire, or bad ground? Start with the problem and find the right 7-way solution.
How to Measure Trailer Leaf Springs — and Know What Else Needs Replacing
Posted by Paul Smith on
Measure free length, width, leaf count and spring style correctly, then inspect shackles, equalizers, bushings, hangers and U-bolts before ordering a replacement spring.