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Service bulletin 78G004

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 id38036
Published by NHTSA1995-02-10
Manufacturer's number78G004
Manufacturer's date1994-12-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

NEW SYNCHRONIZER VALVE SLEEVE FOR T200 SERIES TRANSMISSIONS WITH SYNCHRONIZER RANGE VALVE. *TW

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, Manual transmission

Vehicles listed
MACK MACK

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