Pontiac Grand Prix 2004 — technical service bulletin
Bulletin 040601008A · NHTSA communication 10012590 · issued Apr 1, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004
model years
1
vehicle entries
Official summary
Engine/accessory drive noisy, lack of power, supercharger not functioning properly. *eh
Vehicles covered
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.