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April 25, 2017 Service bulletin

Hybrid starter generator (HSG) pulley nut inspection and/or hsg replacement (SA289)

Kia technical service bulletin TSB-ENG166 for 2017 Kia Optima.

Bulletin number
TSB-ENG166
Component
Electrical system: alternator/generator/regulator
Summary
TSB: SERVICE ACTION: HYBRID STARTER GENERATOR (HSG) PULLEY NUT INSPECTION AND/OR HSG REPLACEMENT (SA289) - This bulletin provides the procedure to inspect the Hybrid Starter Generator (HSG) pulley nut and, if necessary, replace the HSG assembly on certain Optima JF HEV/PHEV vehicles with a production range from May 31, 2016 to November 22, 2016, which may exhibit a loose pulley nut.

Owners of these vehicles have filed 25 complaints in the electrical category.

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