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Service bulletin 01108

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 id620164
Published by NHTSA2001-07-19
Manufacturer's number01108
Manufacturer's date2001-05-28
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY

NHTSA's summary

A WHINING NOISE HEARD FROM THE REAR DURING COASTDOWN FROM 97 TO 56 KM/H (60 TO 35 MPH). THIS NOISE WILL DISAPPEAR WHEN THE VEHICLE SLOWS DOWN BELOW 56 KM/H (35 MPH). THIS MAY BE CAUSED BY VARIATION IN TOOTH CONTACT BETWEEN THE DIFFERENTIAL RING GEAR, PINION, AND BY THE INABILITY OF THE ORIGINAL UPPER CONTROL ARM BUSHINGS TO ISOLATE THE NOISE. *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, Axle

Vehicles listed
FORD MUSTANG1999, 2000, 2001

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
140822001-07-24. Service bulletin. SOME VEHICLES EQUIPPED WITH A 7.5 INCH AXLE MAY EXHIBIT A DECEL AXLE WHINE AT APPROXIMATELY 55-30 MPH. ENGINEERING IS INVESTIGATING. *TT
01832001-05-22. Service bulletin. SOME VEHICLES MAY EXHIBIT DRIVELINE VIBRATION FELT THROUGH THE SEAT, FLOOR AND / OR STEERING WHEEL AT APPROXIMATELY 65 MPH IN 4TH OR 5TH GEAR. *TT
002312001-03-01. Service bulletin. SOME VEHICLES MAY EXPERIENCE A WHINING NOISE HEARD FROM THE REAR DURING COASTDOWN FROM 97 TO 56 KM/H (60 TO 35 MPH). THIS NOISE WILL DISAPPEAR WHEN THE VEHICLE SLOWS DOWN BELOW 56 KM/H (35 MPH). *TT
127252000-11-09. Service bulletin. SOME VEHICLES MAY EXHIBIT A VIBRATION AND / OR TRANSMISSION EXTENSION HOUSING BUSHING DAMAGE FROM SUSTAINED HIGH SPEED OPERATION. *TT
62422000-11-03. Service bulletin. EXPERIENCING A VIBRATION AND / OR TRANSMISSION EXTENSION HOUSING BUSHING DAMAGE. *TT
99131251999-12-07. Service bulletin. SONE POLICE VEHICLES AND OTHER VEHICLES WITH 4R70W MAY EXHIBIT A VIBRATION AND / OR TRANSMISSION EXTENSION HOUSING BUSHING DAMAGE FROM SUSTAINED HIGH SPEED OPERATION. *TT