Service bulletins for the 1998 Buick Century
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.
87 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Heating and air conditioning are shown. Show all
| 3097 | 2004-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC SIDE TO SIDE TEMPERATURE DIFFERENCE. *SC |
|---|---|
| 01650 | 2004-06-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT. MANUAL DUAL ZONE FAN AND MODE KNOB REPLACEMENT. SERVICE VME. *TT |
| 030844005B | 2004-03-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW. POOR RADIO RECEPTION OR RADIO STATIC/ INCREASED INTERFERENCE WITH REAR WINDOW DEFOGGER ON OR SOME REAR WINDOW DEFOGGER GRIDS MAY BE INOPERATIVE. *TT |
| 020139002 | 2002-05-21. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. SOME CUSTOMERS MAY COMMENT ON THE TIME IT TAKES THE RIGHT SIDE DOOR GLASS TO DEFOG. *SLC |
| 020139001 | 2002-04-02. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. SUBJECT REGARDING HVAC TEMPERATURE DIFFERENCE SIDE TO SIDE AND/OR DIAGNOSTIC TROUBLE CODES B0361, B0441 SET. *TT |
| 97022 | 1998-08-04. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. INFORMATION ON MANUAL CLIMATE CONTROL MODE SELECTOR. *YC |
| 97121797022 | 1998-04-20. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. SUBJECT ON HVAC MANUAL CLIMATE CONTROL MODE SELECTOR FIRST PHASE OWNER NOTIFICATION LETTER MAILING. *YC |
| 97110197022J | 1998-03-30. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. CUSTOMER SATISFACTION CAMPAIGN ON HVAC MANUAL CLIMATE CONTROL MODE SELECTOR. *YC |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.