TSB Document:

Affected Component: EQUIPMENT ADAPTIVE/MOBILITY

Summary
Howling Noise from the Rear Differential. When coasting from 85 - 70 mph, there is a howling noise from the rear differential. CAUSE Resonance behavior during the running-in phase of the PHEV rear differential

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Date Published
MAR 01, 2016
NHTSA TSB #
10151175
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