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April 7, 2018 Service bulletin

Some 9-speed transmission warmers were improperly manufactured and allow the engine coolant and ATF to mix

Acura technical service bulletin B17-009 for 2016 Acura MDX.

Bulletin number
B17-009
Component
Power train
Summary
Service bulletin - Some 9-speed transmission warmers were improperly manufactured and allow the engine coolant and ATF to mix. If the fluids mix, the engine and transmission may be permanently damaged and require replacement.

Owners of these vehicles have filed 113 complaints in the transmission category.

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