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Service bulletins for the 1998 Oldsmobile Bravada

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.

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

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
3012B2004-08-23. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). THE NVG 136 ALL WHEEL DRIVE (AWD) TRANSFER CASE AND THE 236 AND 246 NVG SELECTABLE TRANSFER CASES OPERATING IN THE AUTO MODE MAY EXHIBIT A CONDITION OF A VIBRATION/SHUDDER DURING LOW SPEED TURNS SUCH AS A PARKING LOT MANEUVER, UP TO APPROXIMATELY 5 MPH. *TT 3012A NOT YET RECEIVED. *TT
990730016A2004-07-13. Service bulletin. POWER TRAIN. DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT
0307300562004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT
010730002C2003-12-04. Service bulletin. POWER TRAIN. MALFUNCTION INDICATOR LAMP (MIL) IS ON; THE TRANSMISSION IS STUCK IN THIRD GEAR; AND / OR THE INSTRUMENT CLUSTER IS INOPERATIVE. *TT
014092003-11-22. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). THE NVG 136 ALL WHEEL DRIVE (AWD) TRANSFER CASE AND THE 236 AND 246 NVG SELECTABLE TRANSFER CASE SHUDDER ON TURNS. *TT
020730024A2002-10-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
010730023B2002-10-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME CUSTOMERS MAY COMMENT ON A HARSH 1-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ENGINE SOON INDICATOR IS ILLUMINATED AND DIAGNOSTIC TROUBLE CODE P1870 SET. *TT
010730023A2002-02-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING HARSH 1-2 UPSHIFT, SERVICE ENGINE SOON, MALFUNCTION INDICATOR LAMP, OR CEL ILLUMINATED, DIAGNOSTIC TROUBLE CODE P1870 SET. (1996-2000 CHEVROLET AND GMC LIGHT DUTY TRUCK MODELS) *YH
0107300232001-10-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME OWNERS WITH VEHICLES BUILT BEFORE JANUARY 15,1999 MAY COMMENT ON A HARSH 1-2 UPSHIFT AND MAY ALSO HAVE A CHECK ENGINE LIGHT. *ET
0107300212001-06-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THIS TECHNICAL SERVICE BULLETIN STATES THAT TECHNICIANS MAY EXPERIENCE DIFFICULTY IN REMOVING THE CONNECTORS FROM THE PARK / NEUTRAL POSITION SWITCH, USUALLY WHEN TRYING TO REMOVE THE SWITCH DURING TRANSMISSION SERVICE. *TT
010730002D2001-05-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. MALFUNCTION INDICATOR LAMP (MIL) ON, TRANSMISSION STUCK IN THIRD GEAR, INSTRUMENT CLUSTER INOPERATIVE. *TT UPDATED *EH 2006 AND PRIOR GM PASSENGER CARS AND LIGHT DUTY TRUCKS. *SC
0107300122001-05-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION PERTAINING TO THE NEW CONTROL VALVE BODY, SPACER PLATE AND GASKETS FOR THE 4L60-E AUTOMATIC TRANSMISSION. *TT
3008002001-05-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. THIS MESSAGE DISCUSSES DIAGNOSIS AND REPAIR OF TRANSFER CASE SHUTTER. *TT
000730022B2001-04-05. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. A NO REVERSE, NO SECOND GEAR, OR NO FOURTH GEAR CONDITION. *TT UPDATED *EH
8771692000-12-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). INFORMATION PERTAINING TO NEW TRANSMISSION CALIBRATIONS. *TT
8671172000-12-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. BRIEF INFORMATION REGARDING RUSTY TRANSMISSION FLUID LEVEL INDICATOR. *TT
837110A2000-04-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. PARK/NEUTRAL POSITION SWITCH CONNECTOR CANNOT BE REMOVED. YD
990730004A2000-01-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. A CONDITION WITH A RUSTY TRANSMISSION FLUID LEVEL INDICATOR / TRANSMISSION OIL FILLER TUBE. *TT
9904210051999-09-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. TRANSFER CASE VIBRATION (SHUDDER) DURING TIGHT TURNING MANEUVERS AT VEHICLE SPEEDS OF UP TO 5 KM/H (5 MPH) ON DRY PAVEMENT. *TT
8674021999-03-08. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). COMMENTS ABOUT A MOAN TYPE NOISE WHEN THE VEHICLE IS OPERATED IN THE AUTO 4WD POSITION AND IS DRIVEN IN DEEP SAND, DEEP SNOW, OR DEEP MUD. *YC
988371101998-08-04. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. TECHNICIANS MAY EXPERIENCE DIFFICULTY IN REMOVING THE CONNECTORS FROM THE PARK/NEUTRAL POSITION SWITCH, USUALLY WHEN TRYING TO REMOVE THE SWITCH DURING TRANSMISSION SERVICE. *YC

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