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Service bulletin PS438

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 id10089042
Published by NHTSA2017-01-18
Manufacturer's numberPS438
Manufacturer's date2015-10-29
NHTSA componentSUSPENSION; WHEELS

NHTSA's summary

OPTIMA (JFA) - ALIGNMENT SPECIFICATIONS - THIS ARTICLE PROVIDES THE ALIGNMENT SPECIFICATIONS FOR 2016MY OPTIMA (JFA). IN THE EVENT A WHEEL ALIGNMENT IS NEEDED, ENSURE YOUR ALIGNMENT EQUIPMENT HAS THE CORRECT SPECIFICATIONS PROGRAMMED INTO THE PC DATABASE.

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, Wheels

Vehicles listed
KIA OPTIMA2016

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
TSBCHA0952018-12-17. Service bulletin. TSB: FRONT STRUT FLANGE NUT REPLACEMENT - This bulletin provides the procedure to replace the front strut flange nut on some 2016MY Optima (JF) vehicles, produced from February 2, 2016 through May 19, 2016, which may exhibit a noise coming from the front strut area while driving on uneven surfaces or a bumpy road. Diagnose the noise complaint and once confirmed to be emanating from the front strut area, follow the procedure in this bulletin to replace the front strut flange nut.