Summary
This service bulletin addresses an issue with abnormal noise, vibration, and/or judder from the rear differential area in certain INFINITI AWD models.
The bulletin provides a flow chart to assist in diagnosis and recommends replacing the Electric Controlled Coupling or the Final Drive Assembly if necessary.
Important Notes
Tire size, brand, or tread pattern mismatches can cause similar symptoms, and it is recommended to replace all tires at the same time with tires of the proper size, same brand, and pattern.
The bulletin is intended for use by qualified technicians, not ‘do-it-yourselfers’, and emphasizes the importance of following the Electronic Service Manual (ESM) for removal and installation information.
Manual:
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