Service bulletins for the 2014 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.
353 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Brake fluid are shown. Show all
| TSB_CHA098_R3 | 2020-09-03. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC:FLUID. TECHNICAL SERVICE BULLETIN: IBAU SYSTEM REPAIR FOR NOISE AND AIR BLEEDING - 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 the repair procedure for the Integrated Brake Actuation Unit (iBAU) system on some 2014-2019MY EV/Hybrid/Plug-In Hybrid vehicles listed (see table), which may exhibit a "honking" (Hissing) noise due to air remaining in the brake fluid system. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.