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Service bulletin 6641

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 id610716
Published by NHTSA2000-05-11
Manufacturer's number6641
Manufacturer's date1999-07-01
NHTSA componentSUSPENSION

NHTSA's summary

SOME VEHICLES MAY EXHIBIT A VIBRATION AT HIGHWAY SPEEDS AT 68 MPH. *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

Suspension

Vehicles listed
FORD MUSTANG COBRA1998, 1999 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
01V1210002001-04-11. SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT
20010792001-04-05. Suspension

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
03952003-09-17. Service bulletin. POPPING TYPE NOISE WHILE TURNING INTO OR OUT OF AN INCLINE, SUCH AS TURNING INTO A DRIVEWAY, AT LOW SPEEDS (BELOW 15 MPH (25 KM/H). *TT
141492001-07-24. Service bulletin. INFORMATION ON CASTER ADJUSTMENT WHEN PERFORMING A FRONT END ALIGNMENT. *TT
51322001-01-13. Service bulletin. SOME GT CONVERTIBLES MAY EXPERIENCES VIBRATION / SHAKE WHEN DRIVEN ON SMOOTH ROADS AT CONSTANT SPEEDS AROUND 62 MPH / 100 KPH. THE CONDITION MAY BE DUE TO HARMONIC RESONANCE BETWEEN THE ENGINE, BODY AND SUSPENSION. *TT
132982000-11-27. Service bulletin. SOME COUPES MAY EXHIBIT A VIBRATION AT HIGHWAY SPEEDS. *TT
127192000-11-09. Service bulletin. SOME MANUAL TRANSMISSION EQUIPPED CONVERTIBLES MAY EXHIBIT A BODY VIBRATION / SHAKE. *TT
127172000-11-09. Service bulletin. EXPERIENCING VIBRATION / SHAKE WHEN DRIVEN ON SMOOTH ROADS AT SPEED AROUND 62 MPH / 100 KPH. *TT
85302000-07-26. Service bulletin. SOME VEHICLES MAY EXHIBIT A POPPING NOISE FROM THE REAR OF THE VEHICLE NEAR THE SWAY BAR. **MR
75492000-07-26. Service bulletin. SOME VEHICLES MAY EXHIBIT A POPPING NOISE FROM THE REAR OF THE VEHICLE NEAR THE SWAY BAR. **MR
9851352000-06-20. Service bulletin. SOME VEHICLES BUILT FROM 2/2/98 THROUGH 9/25/98 MAY EXHIBIT A CLICK OR POP NOISE WHEN QUICKLY TURNING THE STEERING WHEEL WHILE TRAVELING OVER BUMPS, OR BRAKING. *TT
9851312000-06-20. Service bulletin. SOME GT MODELS MAY EXPERIENCE VIBRATION / SHAKE WHEN DRIVEN ON SMOOTH ROADS AT CONSTANT SPEEDS AROUND 62 MPH / 100 KPH. *TT