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Service bulletin 99239

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 id6090176
Published by NHTSA2000-03-09
Manufacturer's number99239
Manufacturer's date1999-11-15
NHTSA componentPOWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

NHTSA's summary

EXPERIENCING A VIBRATION FELT THROUGH THE SEAT OR THE STEERING WHEEL ON SOME VEHICLES TRAVELLING 105 - 125 KM/H IN 4TH OR 5TH GEAR WITHOUT BRAKES APPLIED. *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
FORD MUSTANG1999, 2000

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
160692002-11-07. Service bulletin. SOME COBRAS MAY EXHIBIT A CLUNK NOISE FROM THE DRIVELINE DURING A QUICK ACCLERATION JUST AFTER COAST (TIP-IN CLUNK). *TT
154622002-04-18. Service bulletin. INFORMATION ON DRIVELINE CLUNK FOR COBRA MODELS. *TT