Breaker bar on a serpentine belt tensioner pulley in an engine b…

Tight underhood shot of a serpentine belt drive with a chrome breaker bar and socket hooked onto the automatic belt tensioner pulley to relieve tension. The ribbed belt wraps a smooth idler pulley and grooved accessory pulleys, with the alternator and fan shroud visible alongside.

AI caption March 2006 · Photo 22 of 337