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Service bulletin ST 1099 Rev R

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 id10156771
Published by NHTSA2019-04-08
Manufacturer's numberST 1099 Rev R
Manufacturer's date2012-02-14
NHTSA componentPOWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

Service Tip regarding Transmission Fluid/Filter Change Recommendations

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

Equipment and accessories, Labels and manuals, Transmission and driveline

Vehicles listed
ALLISON 1000 SERIES TRANSMISSION
ALLISON 2000 SERIES TRANSMISSION
ALLISON 3000 SERIES TRANSMISSION
ALLISON 4000 SERIES TRANSMISSION
ALLISON B300 SERIES TRANSMISSION
ALLISON B400 SERIES TRANSMISSION
ALLISON TRANSMISSION, INC H 40 EP TRANSMISSION
ALLISON TRANSMISSION, INC H 50 EP TRANSMISSION
ALLISON TRANSMISSION, INC T200 SERIES TRANSMISSION
ALLISON TRANSMISSION, INC T300 SERIES TRANSMISSION

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