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Service bulletin 98-4725

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 id607138
Published by NHTSA2000-11-02
Manufacturer's number98-4725
Manufacturer's date1998-09-01
NHTSA componentPOWER TRAIN:DRIVELINE:DRIVESHAFT

NHTSA's summary

VIBRATION AT CRUISE OVER 50 MPH. *AK

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, Driveshaft

Vehicles listed
FORD EXPEDITION1997, 1998
FORD F-1501997, 1998
FORD F-2501997, 1998
LINCOLN NAVIGATOR1997
LINCOLN NAVIGATOR1998

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

Other bulletins for the same vehicles and component
BC03169611011997-06-17. Service bulletin. DRIVELINE CLUNK OR ACCEL OR DECEL. *TW