Drive & Driven Sprocket Components: Inspection
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2003 Pontiac Montana, 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Pontiac Aztek, and 2003 Oldsmobile Silhouette. However, it is still accessible from the selected car via links, so may be relevant.
Inspect drive chain assembly for cracks, binding links or damage. Check input speed sensor reluctor wheel for damaged teeth, worn or damaged thrust surface and damaged or missing locating pins. Replace components as necessary. See Figure.