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Service bulletin SIL 10-EP-16 Rev

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 id10156714
Published by NHTSA2019-04-08
Manufacturer's numberSIL 10-EP-16 Rev
Manufacturer's date2016-01-25
NHTSA componentENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

Announces change to the color of the exhaust backfill spring to distinguish it from similar springs used in the H 40/50 EP assembly plant

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

Engine, Equipment and accessories, Labels and manuals

Vehicles listed
ALLISON H 40 EP TRANSMISSION
ALLISON H 50 EP TRANSMISSION

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