Service bulletins for the 1998 Buick LeSabre
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.
53 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 98876514 | 1998-07-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONDITION REGARDING THE ENGINE INTERMITTENTLY STALLS DURING A CLOSED THROTTLE DECELERATION FROM ABOUT 35 MPH. *YC |
|---|---|
| 971201776530 | 1998-04-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. COMMENTS THAT THE ENGINE RUNS ROUGH, HAS LACK OF POWER, HAS A KNOCK NOISE, AND/OR THE MIL (MALFUNCTION INDICATOR LIGHT) IS ILLUMINATED. *YC |
| 98003 | 1998-04-29. Service bulletin. ELECTRICAL SYSTEM:IGNITION. INFORMATION ON SPARK PLUG TIP EROSION CALIBRATION PCM REFLASH. *YC |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.