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Service bulletin 990309004

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 id6088680
Published by NHTSA1999-12-29
Manufacturer's number990309004
Manufacturer's date1999-10-01
NHTSA componentSUSPENSION

NHTSA's summary

CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. *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
BUICK REGAL1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
CHEVROLET LUMINA1990, 1991, 1992, 1993, 1994
OLDSMOBILE CUTLASS1991 to 1993
OLDSMOBILE CUTLASS SUPREME1988, 1989, 1990
OLDSMOBILE CUTLASS SUPREME1994, 1995, 1996, 1997
PONTIAC GRAND PRIX1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996

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

Recalls for the same vehicles and component
20010282001-02-08. Suspension
19951001995-06-16. Suspension
19940421994-03-01. Suspension
88V0660001988-04-18. SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT
19880531988-04-14. Suspension
19880221988-02-18. 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
533307B2000-12-27. Service bulletin. SOME VEHICLES MAY EXHIBIT FRONT SUSPENSION SCRUNCH / POPPING TYPE NOISE COMING FROM THE FRONT OF VEHICLE THAT IS APPARENT DURING LOW SPEED TURNING MANEUVERS. *TT
1334051995-03-06. Service bulletin. REAR STRUT RELATED THUMPING/SQUEAKING NOISE. *TW