Component Rotational Speed Calculation: Notes

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

CH-51450-NVH Oscilloscope Diagnostic Kit (w/NVH)
EL-38792-A Electronic Vibration Analyzer (EVA) 2
EL-47955 Multi Diagnostic Interface (MDI)

For equivalent regional tools, refer to Special Tools and Equipment .

NOTE:

If using the CH-51450-NVH Oscilloscope Diagnostic Kit (w/NVH), the component rotation is integrated into the tool. The diameter of the pulley will need to be measured and manually entered into the NVH software.