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Service bulletin LI5178R1

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 id10206968
Published by NHTSA2022-02-04
Manufacturer's numberLI5178R1
Manufacturer's date2022-01-11
NHTSA componentSERVICE BRAKES, HYDRAULIC

NHTSA's summary

installation of new pressure regulator for retarder interlock. Obsolete part replacement

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

Vehicles listed
NOVA BUS LFS2006 to 2010
NOVA BUS LFS ARTIC2010

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