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November 8, 2016 Service bulletin

In some areas, a vehicle’s underbody may exhibit corrosion due to road salt usage. as a precautionary...

Hyundai technical service bulletin 5NP-B8H2Z-12 for 2011-2014 Hyundai Sonata.

Bulletin number
5NP-B8H2Z-12
Component
Structure: frame and members: underbody shields
Summary
In some areas, a vehicle’s underbody may exhibit corrosion due to road salt usage. As a precautionary measure, cavity wax coating is applied to the internal surfaces of underbody components, and an undercoating spray is applied to the bottom exterior surfaces of specified underbody components. This bulletin describes the procedure to perform this preventative service on certain sonata (yf) vehicles.

Owners of these vehicles have filed 179 complaints in the body category.

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