Service bulletins for the 2011 Kia Optima
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.
283 on file from NHTSA, as of 2026-10-19.
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Only bulletins with topic: maintenance are shown. Show all
| TSBGEN076 | 2017-01-18. Service bulletin. ENGINE. TSB: PROPER OIL GRADE / VISCOSITY SELECTION FOR TURBO EQUIPPED VEHICLES - THIS BULLETIN PROVIDES INFORMATION RELATED TO THE PROPER ENGINE OIL GRADE / VISCOSITY TO BE USED WHEN SERVICING VEHICLES EQUIPPED WITH A TURBOCHARGER. IN ADDITION TO FOLLOWING THE TURBO-SPECIFIC MAINTENANCE INTERVAL SCHEDULES, IT IS VERY IMPORTANT TO FOLLOW THE GRADE AND THE SAE OIL VISCOSITY RECOMMENDATIONS IN THE APPLICABLE SERVICE MANUAL TO ENSURE THE PROPER LUBRICATION IS DELIVERED TO THE TURBOCHARGER AND TO PREVENT ENGINE DAMAGE. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.