I can't imagine being marooned due to a serpentine but then I work on my own vehicles.? The part is easy to get.? I carry a spare and an idler pulley.? ?But I guess you could be somewhere that had nobody willing to change a belt?? ?It's a 30 min job a beginner could do.?
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Anyway, no doubt there are other dead in the water examples that would better illustrate the point.??