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Service bulletin TSB-023

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10031946
Published by NHTSA2010-02-02
Manufacturer's numberTSB-023
Manufacturer's date2009-08-01
NHTSA componentPOWER TRAIN:DRIVELINE; POWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

KIA: VEHICLES WITH 4WD SYSTEM MAY EXHIBIT A DRONING NOISE ORIGINATING FROM THE 4WD COUPLING WHILE DRIVING BETWEEN 12-37MPH. THE CAUSE OF THIS CONDITION MAY BE THE INTERNAL PART OF THE 4WD COUPLING ASSEMBLY IS BINDING DUE TO A POSSIBLE DAMAGED ROLLER BEARING. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission

Vehicles listed
KIA SPORTAGE2005, 2006, 2007

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
0182007-05-15. Service bulletin. AUTOMATIC TRANSMISSION ADAPTIVE VALUE RESET/RELEARN. *KB