Acura Tl Serpentine Belt Tensioner

Can a serpentine belt tensioner be adjusted? (video)

How long do serpentine belt tensioners last?

You should expect to replace your belt tensioner in the 40,000-70,000 mile range. It is also customary to swap more than one part simultaneously, usually a worn-out pulley from other systems and even the serpentine belt itself. via

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