# Service bulletin TSBCHA071

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.

- Type: Service bulletin
- NHTSA id: 10089608
- Published by NHTSA: 2017\-01\-26
- Manufacturer's number: TSBCHA071
- Manufacturer's date: 2016\-09\-02
- NHTSA component: SUSPENSION:FRONT:WHEEL BEARING

## NHTSA's summary

TSB: FRONT WHEEL BEARING NOISE \- THIS BULLETIN PROVIDES THE PROCEDURE TO REPLACE BOTH FRONT WHEEL BEARINGS ON 2014MY OPTIMA \(QF\) VEHICLES THAT EXPERIENCE AN UNUSUAL NOISE \(HUMMING OR POPPING\) THAT IS ISOLATED TO THE FRONT WHEEL BEARING. THE BEARINGS NORMALLY DO NOT HAVE ANY LOOSENESS; THE CONCERN IS SOLELY NOISE\-RELATED AND MAY BE VERY DIFFICULT TO PINPOINT. TO ENHANCE CUSTOMER SATISFACTION, THIS BULLETIN OUTLINES THE REPLACEMENT OF BOTH FRONT WHEEL BEARINGS, EVEN WHEN ONLY ONE SIDE IS AFFECTED.

## 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

Suspension, Wheel bearing

## Vehicles listed

- 2014 KIA OPTIMA

JSON: [/v1/bulletins/10089608](/v1/bulletins/10089608)

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