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Service bulletin SB392003

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 id620803
Published by NHTSA2001-08-30
Manufacturer's numberSB392003
Manufacturer's date2001-07-27
NHTSA componentPOWER TRAIN

NHTSA's summary

SERVICE BULLETIN INFORMATION REGARDING A NEW SHIFT LEVER INNER BOOTH IMPLEMENTED INTO PRODUCTION TO PREVENT GEAR SHIFT LEVER DISENGAGEMENT DURING SEVERE COLD WEATHER. *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
MACK CH
MACK CX

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