Vibration Cycles in Powertrain Components

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Vibration Cycles In Powertrain Components - Basic Vibration Terminology (2WD)

Courtesy of GENERAL MOTORS CORP.

The word cycle comes from the same root as the word circle. A circle begins and ends at the same point, as thus, so does a cycle. All vibrations consist of repetitive cycles.