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Service bulletin SF171A

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 id608272
Published by NHTSA2000-12-01
Manufacturer's numberSF171A
Manufacturer's date1999-03-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

FIELD SERVICE MODIFICATION SF171A / SC141A IS BEING INITIATED TO MODIFY FREIGHTLINER CUSTOM CHASSIS VEHICLES. THE CLUTCH DISK ON MT35 CHASSIS MAY CAUSE PREMATURE FAILURE OF THE SYNCHRONIZERS INSIDE THE EATON ES4205 MANUAL TRANSMISSION. *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, Manual transmission

Vehicles listed
FREIGHTLINER MT351996 to 1998

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