# 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 bulletins from NHTSA, as of 2026-10-19. - [Recalls](/bulletins/10248444.md), 2024-01-08, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Vehicle Recalls - [130089009](/bulletins/10246631.md), 2023-12-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Expanded Availability for Remanufacture and Return \(R\&R\) Electronic Control Modules - [PIP4723F](/bulletins/10208027.md), 2022-02-14, Service bulletin: SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, GASOLINE. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update. - [PIP4723D](/bulletins/10171318.md), 2020-02-10, Service bulletin: ELECTRICAL SYSTEM. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update. - [PIC4696E](/bulletins/10168979.md), 2019-12-09, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:ANTI\-THEFT DEVICES. This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable. E version update is to add administrative details. - [PIC4696D](/bulletins/10165876.md), 2019-10-15, Service bulletin: EQUIPMENT. This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable. - [PIP4723C](/bulletins/10157018.md), 2019-04-08, Service bulletin: EQUIPMENT; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update. - [PIC4696C](/bulletins/10141381.md), 2018-06-18, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. - [05\-06\-04\-035D](/bulletins/10137901.md), 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. - [PI1217](/bulletins/10135203.md), 2018-05-07, Service bulletin: POWER TRAIN. This preliminary bulletin provides a way to aid the technician in diagnosing transmission fluid leaking from the trans breather vent. - [17\-NA\-016](/bulletins/10116612.md), 2017-08-31, Service bulletin: WHEELS. This informational bulletin provides information on wheel bearing P/N 13582664 being received new with visible rust and no action is needed as this does not affect the part performance. - [17\-NA\-016](/bulletins/10116564.md), 2017-08-31, Service bulletin: WHEELS. This informational bulletin provides information on wheel bearing P/N 13582664 being received new with visible rust and no action is needed as this does not affect the part performance. - [PIP4723B](/bulletins/10113443.md), 2017-08-15, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update. - [PIC5913](/bulletins/10113258.md), 2017-08-15, Service bulletin: ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Supplemental Inflatable Restraint lamp, Service Vehicle Soon lamp on and/or radio locked, possibly after module replacement. Technician will need to check for an incorrect or non\-existent VIN number in modules that require them. Technician should ensure that all modules that are replaced are programmed per currently published Service Information. Technician should also check the Sensing and Diagnostic Module part number if it was replaced. - [4615](/bulletins/10023171.md), 2007-10-31, Service bulletin: SERVICE BRAKES, AIR. ABS PUMP RUNNING WHEN NOT NEEDED. \*NJ - [709](/bulletins/10018133.md), 2005-12-16, Service bulletin: SUSPENSION. TIE ROD SPECIFICATIONS REVISED. GM TECH LINK. \*TT - [050604058](/bulletins/10017568.md), 2005-11-11, Service bulletin: VEHICLE SPEED CONTROL. INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES \(DTCS\). \*TT - [050232003](/bulletins/10017515.md), 2005-11-09, Service bulletin: STEERING. REVISED OUTER TIE ROD END NUT TIGHTENING SPECIFICATION/TIE ROD END JAM NUT TIGHTENING SPECIFICATION ADDED. \*TT - [57](/bulletins/10016464.md), 2005-09-13, Service bulletin: ELECTRICAL SYSTEM:WIRING. WIRE HARNESS MAY BE STRETCHED, OR THE PCS MAY NOT BE ORIENTED IN THE SAME POSITION, AFTER INSTALLING A SERVICE REPLACEMENT VALVE BODY ASSEMBLY. GM TECH LINK. \*TT - [3097](/bulletins/10010202.md), 2004-11-05, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC SIDE TO SIDE TEMPERATURE DIFFERENCE. \*SC - [01650](/bulletins/10007236.md), 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](/bulletins/10005588.md), 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 - [000604049B](/bulletins/10005145.md), 2004-02-09, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES BUILT PRIOR TO VIN BREAKPOINT 1F136536 MAY EXHIBIT INTERMITTENT MALFUNCTION INDICATOR LAMP / SERVICE ENGINE SOON INDICATOR ILLUMINATION; ANTI\-LOCK BRAKE SYSTEM WARNING LIGHT ILLUMINATION; STALL / NO START CONDITION; VARIOUS ELECTRICAL SYSTEM FAILURES; AND / OR VARIOUS DRIVEABILITY CONCERNS. \*TT - [030849018B](/bulletins/10004777.md), 2004-01-07, Service bulletin: STRUCTURE:BODY. BROKEN CONSOLE OR STORAGE COMPARTMENT LID LATCH. \*TT UPDATED \*EH - [030232049](/bulletins/10004765.md), 2004-01-07, Service bulletin: STEERING:LINKAGES:TIE ROD ASSEMBLY. RELEASE OF NEW OUTER TIE ROD ENDS FOR SERVICE. \*TT More: [the next page](/v1/vehicles/1998_buick_century/bulletins?cursor=2004-01-07_10004765) (JSON) JSON: [/v1/vehicles/1998_buick_century/bulletins](/v1/vehicles/1998_buick_century/bulletins) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%201998%20Buick%20Century&page=https%3A%2F%2Fopen.wenmarpro.com%2Fmakes%2Fbuick%2Fcentury%2F1998%2Fbulletins&vehicle=1998%20Buick%20Century)