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Service bulletins for the 1998 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.

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

By type

By component

Bulletins, newest first
IB13-R-001G2023-06-01. Service bulletin. UNKNOWN OR OTHER. This bulletin outlines the procedures for using the Alpine Exchange Program (the "Exchange Program"). The Exchange Program must be used when any Alpine radio or other component covered by this bulletin is repaired under warranty and may also be used for radio and component repairs not covered under warranty. Contact Alpine directly for pricing and payment methods applicable to radio and component repairs not covered under warranty.
WB13-X-001B2022-08-30. Service bulletin. EQUIPMENT. Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these procedures in order to avoid delays in Parts Warranty claim payments and/or claim chargeback. This bulletin was revised to add a Parts Warranty Form
WB13-X-001A2022-08-30. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these procedures in order to avoid delays in Parts Warranty claim payments and/or claim chargeback.
IB09-X-004C2022-08-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. The Isuzu Commercial Truck of America (ICTA) Service Technical Assistance Center (TAC) provides diagnostic support to Isuzu dealer technicians repairing Isuzu vehicles in and out of vehicle warranty. A TAC case number will be issued solely for information tracking purposes and future contact reference.
IB09-X-002B2022-08-02. Service bulletin. EQUIPMENT. The following is a list of the Isuzu-recommended Threebond product part numbers identified in the various Isuzu Workshop Manuals and bulletins. If a Threebond product is unavailable, we recommend that you utilize the chart below to find equivalent of similar products (when available) from Loctite and Permatex.
IB-14-X-0012014-11-13. Service bulletin. ENGINE AND ENGINE COOLING. ISUZU: INFORMATION REGARDING CORROSION INHIBITOR IMPROVEMENT THAT CHANGES COLOR OF COOLANT TO A DARK COLOR AND IS ADDED AT PORT TO BOTH RADIATOR AND SURGE TANK. *PE
0506040352006-05-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, GASOLINE. USAGE OF E85 FUELS IN GM VEHICLES. 1997 - 2008 ALL GM CARS AND TRUCKS. 1997 - 2008 ALL SATURN VEHICLES. *TT UPDATED. *KB UPDATED ON 10/22/07. *NJ
SB0002C0012001-01-28. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. CERTAIN MODELS EQUIPPED WITH 5.7L V8 ENGINES, THAT ARE REGISTERED IN CALIFORNIA MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE ROUGH IDLE OR HARD START DUE TO A DEPOSIT BUILD-UP ON THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR (SCPI) POPPET VALVE(S). *TT
SB9805C0042000-12-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUBJECT REGARDING HYDRA-MATIC 4L80-E TRANSMISSION IMPROVEMENTS FOR 1998. *TT
SB9802C0062000-12-07. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. SUBJECT REGARDING FUEL FILLER NECK REPLACEMENT EMISSION COMPLIANCE CAMPAIGN. *TT
SB0005C0012000-06-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME OWNERS MAY COMMENT ON AN ENGINE STALL OR A SLIGHT SURGE AT A STOP OR WHEN THE TRANSMISSION IS SHIFTED INTO DRIVE OR REVERSE. *TT
IB0001C0012000-06-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING ENGINE OIL COOLER HOSE REPLACEMENT. *TT
SB0005C0012000-04-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME OWNERS MAY COMMENT ON AN ENGINE STALL OR A SLIGHT SURGE AT A STOP OR WHEN THE TRANSMISSION IS SHIFTED INTO DRIVE OR REVERSE. *TT
970901SB97031998-03-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. VARIOUS VEHICLES EXPERIENCING ENGINE FAILURE. *YC

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