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April 17, 2025 Service bulletin

Transmission fluid application guide

Kia technical service bulletin TSB_TRA046_R5 for 2011-2025 Kia Sorento, 2006-2020 Kia Optima and 2010-2025 Kia Soul and others.

Bulletin number
TSB_TRA046_R5
Component
Power train
Summary
TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, and the transmission oil cooler is transferred to the new transmission.

Owners of these vehicles have filed 3,143 complaints in the transmission category.

Vehicles covered

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