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October 6, 2021 Service bulletin

Replacement of mobis c-mdps small bearing

Kia technical service bulletin TSB_CHA111 for 2018-2020 Kia Sorento, 2018-2020 Kia Optima and 2018-2019 Kia Soul and others.

Bulletin number
TSB_CHA111
Component
Steering
Summary
TECHNICAL SERVICE BULLETIN: REPLACEMENT OF MOBIS C-MDPS SMALL BEARING - This bulletin provides the procedure to replace the small bearing of the Column Motor Driven Power Steering (C-MDPS) unit on the vehicles listed below, which may exhibit an abnormal noise when steering left and right. This may be caused by foreign substances in the MDPS worm shaft small bearing. On some vehicles when the steering wheel is rotated a scraping noise can be heard originating from the lower bearing on the Worm Gear Small Bearing and does not affect the steering effort.

Owners of these vehicles have filed 110 complaints in the steering category.

Vehicles covered

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