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.
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Only bulletins with component: Automatic transmission are shown. Show all
| 030730056 | 2004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT |
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| 020730024A | 2002-10-11. 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 |
| 010730023B | 2002-10-09. 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 |
| 010730023A | 2002-02-25. 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 |
| 010730023 | 2001-10-24. 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 |
| 010730021 | 2001-06-26. 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 |
| 010730002D | 2001-05-29. 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 |
| 010730012 | 2001-05-24. 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 |
| 300800 | 2001-05-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. THIS MESSAGE DISCUSSES DIAGNOSIS AND REPAIR OF TRANSFER CASE SHUTTER. *TT |
| 877169 | 2000-12-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). INFORMATION PERTAINING TO NEW TRANSMISSION CALIBRATIONS. *TT |
| 867117 | 2000-12-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. BRIEF INFORMATION REGARDING RUSTY TRANSMISSION FLUID LEVEL INDICATOR. *TT |
| 837110A | 2000-04-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. PARK/NEUTRAL POSITION SWITCH CONNECTOR CANNOT BE REMOVED. YD |
| 990730004A | 2000-01-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. A CONDITION WITH A RUSTY TRANSMISSION FLUID LEVEL INDICATOR / TRANSMISSION OIL FILLER TUBE. *TT |
| 990421005 | 1999-09-29. 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 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.