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Service bulletin 4VZ-L7K5Y-09

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 id10127589
Published by NHTSA2018-01-29
Manufacturer's number4VZ-L7K5Y-09
Manufacturer's date2017-06-12
NHTSA componentSTEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID

NHTSA's summary

This service bulletin provides instructions on how to repair a power steering fluid leak at a releif valve installed on the IFS.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Steering, Power steering

Vehicles listed
SPARTAN K22017
SPARTAN K2 CHASSIS

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