Service bulletins for the 1999 Isuzu NPR
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.
37 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Electrical system are shown. Show all
| 9801C002 | 1999-01-14. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. NO PROVISIONS TO ADJUST THE BELT TENSION ON THE ALTERNATOR AFTER AN AIR CONDITIONING SYSTEM IS INSTALLED. *YC |
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| 98040104C001 | 1998-09-14. Service bulletin. ELECTRICAL SYSTEM. INFORMATION REGARDING ELECTRICAL SYSTEM FAILURE REPORT. *YC |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.