Service bulletins for the 2004 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.
405 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 10-00-89-006D | 2018-06-11. Service bulletin. EQUIPMENT. This information bulletin provides the dealers on how to submit a product information report. |
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| 10-08-45-001E | 2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin updates information on electrical ground repairs using new replacement fasteners with conductive finish. |
| 06-08-47-001K | 2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on control module diagnostics and configuration, programming using the TIS Service Programming System (SPS), set-up and warranty. |
| PI1394 | 2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This preliminary informational bulletin provides technicians an engine repair tip for installation of pistons. |
| 060601010D | 2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system. |
| 03-00-91-001G | 2018-06-04. Service bulletin. SUSPENSION. This informational bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns. |
| 02-07-30-052I | 2018-06-04. Service bulletin. POWER TRAIN; EQUIPMENT. This informational bulletin provides information for Automatic Transmission Oil Cooler Flow Test Essential Tool J-45096 TransFlow. |
| 11-00-89-005E | 2018-06-04. Service bulletin. EQUIPMENT. This informational bulletin provides a revision for 11-00-89-005D to add additional Mandatory Minimum Tables and additional information concerning Policy decision making. |
| 08-06-01-006D | 2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides information for Engine Squealing Type Noise on Start-up or Vibration Condition. |
| 02-08-98-002D | 2018-06-04. Service bulletin. EQUIPMENT. This informational bulletin provides a revision for 02-08-98-002C to add the 2010-2013 model years and revise the Approved Refinish Materials booklet information. |
| 09-00-89-008A | 2018-06-04. Service bulletin. EQUIPMENT. This informational bulletin provides a revision for 09-00-89-008 to add model years, update the Labor Operation Information and Transaction Submissions Procedure and general content updates. |
| 05-08-48-001C | 2018-06-04. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD. This informational bulletin provides a revision for 05-08-48-001B to add 2010-2014 model years and update Labor Operation. |
| 13-00-89-004B | 2018-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This informational bulletin provides a revision for 13-00-89-004A to include updated information. |
| 13-00-89-004F | 2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary. |
| 00-06-01-012E | 2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool. |
| 00-00-89-027H | 2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle. |
| 10-00-89-006D | 2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This information bulletin provides the dealers on how to submit a product information report. |
| 15-08-73-001A | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin explains how to update the older Onstar module software to new software over GSA. |
| 15-08-44-001I | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information for the GM of Canada OnStar Cellular Communication Upgrade to 3G/4G LTE for vehicles that may need an upgrade. |
| 06-08-47-001M | 2018-05-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules. |
| 05-08-46-006S | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin advises the technician to update the Onstar from an analog system to a digital system if the customer wishes. |
| 13-00-89-004I | 2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary. |
| 05-06-04-035D | 2018-05-21. Service bulletin. FUEL SYSTEM, GASOLINE. This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle. |
| 13-00-89-004G | 2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary. |
| 00-06-01-012E | 2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.