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Service bulletin 9640023

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 id605659
Published by NHTSA1999-07-19
Manufacturer's number9640023
Manufacturer's date1997-07-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

EXPERIENCING MILD ENGINE SURGE AT HIGHWAY SPEEDS. *TT

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

Engine

Vehicles listed
HYUNDAI SONATA1995, 1996

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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95200041995-11-01. Service bulletin. UNKNOWN
95200051995-11-01. Service bulletin. UNKNOWN