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Service bulletin 14966

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 id622758
Published by NHTSA2001-10-22
Manufacturer's number14966
Manufacturer's date2001-06-01
NHTSA componentPOWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

NHTSA's summary

SOME ALL-WHEEL DRIVE VEHICLES MAY EXHIBIT A WHINE NOISE FROM THE FRONT DRIVELINE AT SPEEDS BETWEEN 40 AND 80 MILES PER HOUR. *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, Differential

Vehicles listed
MERCURY MOUNTAINEER2002

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
149502001-07-23. Service bulletin. SOME ALL-WHEEL DRIVE VEHICLES MAY EXHIBIT A WHINE NOISE FROM THE FRONT DRIVELINE AT SPEEDS BETWEEN 40 AND 80 MILES PER HOUR. *TT