This condition may be corrected by installing tuned dampers on the rear axle assembly, if not already installed.
- Check the rear axle assembly for the presence of tuned dampers. (Figures 1-2)
- If not present, then install tuned dampers. Refer to the installation instruction sheet included in the damper kit.
NOTE: NO DRILLING IS REQUIRED IF DAMPER MOUNTING HOLES ARE PRESENT. VEHICLES BUILT AFTER 11/15/2004 ALREADY HAVE THE REQUIRED DAMPER MOUNTING HOLES.
- If whine noise persists, then continue with normal diagnostics per Workshop Manual.
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