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Service bulletin 322021

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 id10010424
Published by NHTSA2004-11-19
Manufacturer's number322021
Manufacturer's date2004-08-05
NHTSA componentPOWER TRAIN

NHTSA's summary

REPLACING T200 SERIES TRANSMISSION MAINSHAFT COMPONENTS WITH T300 COMPONENTS. MACK ALL T200 TRANSMISSIONS. *TT

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

Vehicles listed
UNKNOWN UNKNOWN

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