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March 17, 2016 Service bulletin

Whining noise from the rear differential when driving

Mazda technical service bulletin 03-002-16-3179 for 2006-2013 Mazda MX-5.

Bulletin number
03-002-16-3179
Component
Power train
Summary
Some vehicles may exhibit a whining noise from the rear differential when driving. The concern may be caused by improper tooth contact pattern of the rear differential gear from abnormal wear. This abnormal wear is caused by gear tooth lapping compound (used during the production) being left on beyond the allowable amount. The production control has been improved to reduce the amount of remaining lapping compound.

Owners of these vehicles have filed 5 complaints in the transmission category.

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