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Service bulletin 4VZ-G8K8G-02

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 id10117518
Published by NHTSA2017-09-14
Manufacturer's number4VZ-G8K8G-02
Manufacturer's date2017-01-19
NHTSA componentSUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM:SPRINGS/BAGS; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:SPRINGS/BAGS; SERVICE BRAKES, AIR:SUPPLY:COMPRESSOR

NHTSA's summary

Service bulletin TSB15-320-002B amends a previously released service bulletin that relocates the air compressor that supplies air to air spring suspension. There was an error in the plumbing instructions.

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

Brakes, Suspension, Air suspension

Vehicles listed
SPARTAN ALTERED CHASSIS CABS2011 to 2014

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