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Service bulletin 9TR87

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 id10007597
Published by NHTSA2004-07-02
Manufacturer's number9TR87
Manufacturer's date2004-01-01
Replaces9TR87
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

HIGH RANGE LOCKUP MODIFICATION OF TRANSMISSION IN SPLIT-SHAFT TAKEOFF APPLICATIONS. ALLISON TRANSMISSION. *MJ

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission

Vehicles listed
UNKNOWN UNKNOWN1

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