Buick Century 2001–2004 — technical service bulletin
Bulletin 3157A · NHTSA communication 10017172 · issued Oct 27, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2004
model years
30
vehicle entries
Official summary
Engine whine or buzz noise sounds like a generator type noise on 3.1l or 3.8l engines. *tt
Vehicles covered
- 2001 Buick Century
- 2002 Buick Century
- 2003 Buick Century
- 2004 Buick Century
- 2001 Buick Lesabre
- 2002 Buick Lesabre
- 2003 Buick Lesabre
- 2004 Buick Lesabre
- 2001 Buick Park Avenue
- 2002 Buick Park Avenue
- 2003 Buick Park Avenue
- 2004 Buick Park Avenue
- 2001 Buick Regal
- 2002 Buick Regal
- 2003 Buick Regal
- 2004 Buick Regal
- 2001 Chevrolet Impala
- 2002 Chevrolet Impala
- 2003 Chevrolet Impala
- 2004 Chevrolet Impala
- 2001 Chevrolet Lumina
- 2002 Chevrolet Lumina
- 2001 Chevrolet Monte Carlo
- 2002 Chevrolet Monte Carlo
- 2003 Chevrolet Monte Carlo
- 2004 Chevrolet Monte Carlo
- 2001 Pontiac Grand Prix
- 2002 Pontiac Grand Prix
- 2003 Pontiac Grand Prix
- 2004 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.