Buick Regal 1988–1997 — technical service bulletin
Bulletin 990309004 · NHTSA communication 6088680 · issued Oct 1, 1999
Technical service bulletin
communication type
Suspension
component
1988–1997
model years
33
vehicle entries
Official summary
Customers may complain of grinding / scraping / groaning noise from rear suspension. *tt
Vehicles covered
- 1988 Buick Regal
- 1989 Buick Regal
- 1990 Buick Regal
- 1991 Buick Regal
- 1992 Buick Regal
- 1993 Buick Regal
- 1994 Buick Regal
- 1995 Buick Regal
- 1996 Buick Regal
- 1990 Chevrolet Lumina
- 1991 Chevrolet Lumina
- 1992 Chevrolet Lumina
- 1993 Chevrolet Lumina
- 1994 Chevrolet Lumina
- 1991 Oldsmobile Cutlass
- 1992 Oldsmobile Cutlass
- 1993 Oldsmobile Cutlass
- 1988 Oldsmobile Cutlass Supreme
- 1989 Oldsmobile Cutlass Supreme
- 1990 Oldsmobile Cutlass Supreme
- 1994 Oldsmobile Cutlass Supreme
- 1995 Oldsmobile Cutlass Supreme
- 1996 Oldsmobile Cutlass Supreme
- 1997 Oldsmobile Cutlass Supreme
- 1988 Pontiac Grand Prix
- 1989 Pontiac Grand Prix
- 1990 Pontiac Grand Prix
- 1991 Pontiac Grand Prix
- 1992 Pontiac Grand Prix
- 1993 Pontiac Grand Prix
- 1994 Pontiac Grand Prix
- 1995 Pontiac Grand Prix
- 1996 Pontiac Grand Prix
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.