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Service bulletins for the 1999 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.

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

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By component

By trouble code

Bulletins, newest first
0112002001-02-25. Service bulletin. UNKNOWN OR OTHER. INFORMATION ON THE FRONT FLOOR CONSOLE TRIM PLATE. *TT
0008480012000-10-13. Service bulletin. VISIBILITY:WINDSHIELD. SOME CUSTOMERS MAY COMMENT ON AN EXTREMELY LOUD WIND NOISE COMING FROM THE UPPER WINDSHIELD AREA. *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
990862000-07-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CUSTOMER SATISFACTION CAMPAIGN REGARDING VEHICLES EXHIBITING A CONDITION IN WHICH THE CYLINDER HEAD BOLTS MAY BECOME LOOSE. **MR
00081110012000-06-05. Service bulletin. STRUCTURE:BODY:DOOR. A CONDITION MAY EXIST WHERE THE FRONT AND / OR REAR SIDE DOOR LOWER MOLDING ASSEMBLY IS LOOSE OR HAS FALLEN OFF AND DOES NOT STAY ON THE VEHICLE. *TT
990862000-02-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. EXHIBITING A CONDITION IN WHICH THE CYLINDER HEAD BOLTS MAY BECOME LOOSE AND CAUSE COOLANT LEAKS AND POSSIBLE ENGINE DAMAGE. *TT
990862000-01-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES MAY EXHIBIT A CONDITION IN WHICH THE CYLINDER HEAD BOLTS MAY BECOME LOOSE AND CAUSE COOLANT LEAKS AND POSSIBLE ENGINE DAMAGE. *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
9903080062000-01-11. Service bulletin. SUSPENSION. CUSTOMERS MAY COMMENT THAT A SQUEAK, SQUAWK OR CREAK NOISE FROM FRONT STRUT ASSEMBLY. *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
9908440041999-08-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SOME CUSTOMERS MAY COMMENT THAT THE RECEPTION IS POOR ON THE AM RADIO BAND. *TT
9906010101999-08-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMPLAIN ABOUT A ENGINE COLD / KNOCK / TICK NOISE. *TT
9908500091999-08-05. Service bulletin. SEATS. EXPERIENCING EXCESSIVE NOISE COMING FROM THE DRIVER AND / OR PASSENGER SEAT ADJUSTER RAIL / TRACK WHEN MOVING THE SEAT ASSEMBLY FORWARD OR REARWARD. *TT
9908640081999-08-05. Service bulletin. STRUCTURE:BODY. CONDITIONS WITH SPOTTING ON RUBBER PORTION OF SIDE DOOR EXTERIOR MOLDINGS AND WEATHERSTRIPS AT BELTLINE (EXTERIOR FINISH REPAIR PROCEDURE). *TT
9908670011999-08-05. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. EXPERIENCING SUN ROOF WIND NOISE / BUFFETING. *TT
8330041999-03-08. Service bulletin. SUSPENSION. EXPERIENCING SHAKE / VIBRATION IN STEERING WHEEL, FLOOR, SEAT AT HIGHWAY SPEEDS ON SMOOTH ROADS. *YC
8765261999-01-25. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SUBJECT ON ON-BOARD DIAGNOSTIC (OBD) SYSTEM IMPROVEMENTS. *YC
8317041999-01-25. Service bulletin. STRUCTURE:BODY. CONCERNS OF DOOR HANDLES ON WHITE PAINTED VEHICLES TRUNING YELLOW. *YC

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