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Service bulletin 4VZ-G8K8G-03

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 id10117519
Published by NHTSA2017-09-14
Manufacturer's number4VZ-G8K8G-03
Manufacturer's date2017-01-26
NHTSA componentSUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:LINES AND FITTINGS; SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM:LINES AND FITTINGS

NHTSA's summary

CSB16-330-001 was issued to correct the plumbing of the air lines that may have been installed opposite of their intended connections.

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

Suspension, Air suspension

Vehicles listed
SPARTAN ALTERED CHASSIS CABS2015 to 2016

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