TSB TSB-021 — Kia Service bulletin
TSB-021 is a service bulletin on file with NHTSA for the Kia Sorento, 2007–2009 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. KIA MOTORS: SOME VEHICLES WITH A 3.8L ENGINE MAY EXPERIENCE A BUMPING SYMPTOM DURING ENGAGEMENT OF THE DAMPER CLUTCH (TORQUE CONVERTER LOCK UP CLUTCH), AND A BUCKING SYMPTOM WHEN THE DAMPER CLUTCH IS FULLY ENGAGED. *PE UPDATED 8/16/10.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years TSB-021 names
| Vehicle | Model years |
|---|---|
| Kia Sorento | 2007, 2008, 2009 |
Every document filed under TSB-021
| Document ID | Filed | Type |
|---|---|---|
| TSB-021 | February 1, 2010 | Service bulletin |
What TSB-021 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB TSB-021?
TSB-021 is a service bulletin filed with NHTSA by Kia, covering the Kia Sorento across the 2007–2009 model years. NHTSA's summary reads: KIA MOTORS: SOME VEHICLES WITH A 3.8L ENGINE MAY EXPERIENCE A BUMPING SYMPTOM DURING ENGAGEMENT OF THE DAMPER CLUTCH (TORQUE CONVERTER LOCK UP CLUTCH), AND A BUCKING SYMPTOM WHEN THE DAMPER CLUTCH IS FULLY ENGAGED. *PE UPDATED 8/16/10.
Which vehicles does TSB-021 cover?
NHTSA's file names Kia Sorento (2007–2009). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB TSB-021 a recall, and is the repair free?
No. TSB-021 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of TSB-021?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under TSB-021, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under TSB-021. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.