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Service bulletins for the 1998 Cadillac Seville

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.

94 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
990603009A2003-04-26. Service bulletin. ENGINE AND ENGINE COOLING. FLOOR PAN CORROSION PERFORATION IN BATTERY COMPARTMENT. *TT UPDATE *EH
000310007E2003-04-26. Service bulletin. SUSPENSION. SHAKE/VIBRATION IN STEERING WHEEL, FLOOR, SEAT AT HIGHWAY SPEEDS ON SMOOTH ROADS. *TT UPDATE. *TT
0301390012003-04-24. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. REAR HVAC BLOWER CONTROL KNOB MAY FALL OFF. *TT
020601009A2003-02-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HIGHER THAN EXPECTED OIL CONSUMPTION. *TT
00310007B2002-10-11. Service bulletin. SUSPENSION. TECHNICAL INFORMATION REGARDING SHAKE / VIBRATION IN STEERING WHEEL, FLOOR, SEAT AT HIGHWAY SPEEDS ON SMOOTH ROADS. *TT
000310007C2002-10-11. Service bulletin. SUSPENSION. SUBJECT REGARDING SHAKE / VIBRATION IN STEERING WHEEL, FLOOR, SEAT AT HIGHWAY SPEEDS ON SMOOTH ROADS. *TT
0202350042002-10-10. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. CONCERNS WITH CLUNK / RATTLE NOISE FROM LOWER STEERING COLUMN AREA WHEN TRAVELING OVER ROAD BUMPS. *TT
0203080042002-10-10. Service bulletin. SUSPENSION. SOME CUSTOMERS MAY COMMENT ON A SQUEAK/SQUAWK NOISE FROM FRONT OF VEHICLE WHEN TRAVELLING OVER ROAD BUMPS/SWELLS. *TT
0206010092002-05-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON HIGHER THAN EXPECTED OIL CONSUMPTION. *SLC
1312012002-04-04. Service bulletin. TIRES. SUBJECT REGARDING TIRE VIBRATION AT HIGHWAY SPEEDS ON SMOOTH ROAD SURFACES. *TT
010850002A2002-03-21. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. FRONT/REAR HEATED SEAT BACK/CUSHION NOT OPERATING PROPERLY. *TT
000310007A2002-02-07. Service bulletin. SUSPENSION. INFORMATION REGARDING SHAKE/VIBRATION IN STEERING WHEEL, FLOOR,SEAT AT HIGHWAY SPEEDS ON SMOOTH ROADS (DIAGNOSE/BALANCE TIRES/WHEELS). *YH
000523001A2002-02-07. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS. INFORMATION REGARDING REAR BRAKE MOAN/HUM NOISE DURING BRAKE APPLY. *YH
0103012001-05-21. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM. CONCERNS WITH THE POWER STEERING SYSTEMS. *TT
0103012001-05-21. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM. INFORMATION MESSAGE CONCERNING THE POWER STEERING SYSTEM APPLICABLE TO 1998 THROUGH 2000 MODEL YEAR CADILLACS. *TT
1502012001-05-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. THIS PRODUCT TECHNICAL INFORMATION CONCERNS AN INTERMITTENT STUMBLE OR STALL CONDITION. SOME CUSTOMERS MAY COMMENT THAT INTERMITTENTLY THEY EXPERIENCE A STUMBLE OR STALL CONDITION WHEN COMING DOWN TO A STOP. IN MOST INSTANCES THE ENGINE WILL RESTART, SOMETIMES WITH AN EXTENDED CRANK, AND A POWERTRAIN CONTROL MODULE DIAGNOSTIC TROUBLE CODE P1599 MAY OR MAY NOT BE PRESENT. *TT
000310007F2001-04-03. Service bulletin. SUSPENSION. VEHICLES MAY EXPERIENCE SHAKE / VIBRATION IN STEERING WHEEL, FLOOR, SEAT AT HIGHWAY SPEEDS ON SMOOTH ROADS. *JB UPDATED *EH GM VOICEMAIL MESSAGE. *TT
0112002001-02-25. Service bulletin. UNKNOWN OR OTHER. INFORMATION ON THE FRONT FLOOR CONSOLE TRIM PLATE. *TT
0008440032000-10-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SOME VEHICLES BUILT PRIOR TO VIN YU260745 MAY EXHIBIT SOUND FROM THE LH / RH FRONT SIDE DOOR RADIO BOSE SPEAKER ASSEMBLY IS DISTORTED OR NOISY. *TT
990730015A2000-10-11. Service bulletin. POWER TRAIN. CONCERNS WITH MALFUNCTION INDICATOR LAMP ILLIMINATES, SPEEDOMETER FLUCTUATES / INOPERATIVE, CRUISE CONTROL / TORQUE CONVERTER CLUTCH INOPERATIVE. *TT
9908500152000-01-11. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. CONCERNS WITH LOSS OF DRIVER SEAT, MIRROR & STEERING COLUMN MEMORY SETTINGS, PROGRAMMING FUNCTION AND / OR MEMORY RECALL FUNCTIONS IMPROPERLY. *TT
9903080052000-01-11. Service bulletin. SUSPENSION. EXPERIENCING CLUNK, RATTLE OR METAL TO METAL NOISE FROM FRONT OF VEHICLE. *TT
9906050052000-01-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT A POPPING TYPE NOISE HEARD IN THE PASSENGER COMPARTMENT. *TT
9907300151999-11-26. Service bulletin. UNKNOWN OR OTHER. MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATES, SPEEDOMETER FLUCTUATES/INOPERATIVE, CRUISE CONTROL/TORQUE CONVERTER CLUTCH INOPERATIVE. *MJS
990844004A1999-09-29. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. CONDITIONS WITH POOR RECEPTION ON THE AM RADIO BAND. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.