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
Only bulletins with component: Ignition are shown. Show all
| 990604037 | 1999-11-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SUBJECT ON ON-BOARD DIAGNOSTIC (OBD) SYSTEM IMPROVEMENTS. *MJS |
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| 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.