What causes your belt to squeal on a 1993 ford e250?

A squealing belt on a 1993 Ford E250 can be caused by several factors, including worn or frayed belts, improper tension, or misaligned pulleys. Additionally, oil or coolant leaks onto the belt can create slippage, leading to noise. Inspecting the belt for wear and ensuring proper tension and alignment can help resolve the issue. If the problem persists, consider checking the tensioner and pulleys for further wear or damage.