Special Tools

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

CH-51450-NVH Oscilloscope Diagnostic Kit (w/NVH) or
EL-38792-A Electronic Vibration Analyzer (EVA) 2
EL-38792-20 20-Foot Timing Light Power Cord Extension
EL-38792-25 Inductive Pickup Timing Light, or equivalent
EL-38792-27 6-Foot EVA Power Cord Extension

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

This procedure is designed to fine-tune the balance of a propeller shaft while it is mounted in the vehicle. Small amounts of residual imbalance which could be present in other related driveline system components could be compensated for as a result of performing this procedure. The end result of properly fine-tuning a propeller shaft balance may be either a significant reduction or an elimination of a vibration disturbance that is related to the first-order rotation of a propeller shaft.

Fine-tuning the balance of a propeller shaft can aid in achieving a more balanced total driveline system.

NOTE:

The runout of the propeller shaft to be balanced and the runout of the components that the propeller shaft mates to must be within tolerances before an attempt should be made to perform this procedure.

If the CH-51450-NVH Oscilloscope Diagnostic Kit (w/NVH) is available, use the following procedure, Adjustment Procedure Using Oscilloscope. If the Oscilloscope is not available but the EVA 2 is available, use the second procedure, Adjustment Procedure Using EVA. If neither the Oscilloscope nor the EVA 2 is available, use the third procedure, Adjustment Procedure Without Oscilloscope or EVA.