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Service bulletins for the 2004 Isuzu NQR

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.

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

By type

By component

By trouble code

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
0506930012007-04-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE LOW POWER, WHISTLING-TYPE NOISE FROM ENGINE (REPLACE TURBO TO CHARGE AIR COOLER HOSE CLAMP). *KB
0506040212005-05-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. REVISED INSPECTION/MAINTENANCE (I/M) EVAPORATIVE EMISSION (EVAP) SYSTEM SET PROCEDURE. *TT
030604002A2004-02-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VEHICLE NO-START IN EXTREME COLD. *TT
0307300352003-12-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. REPLACEMENT OF OUTPUT FLANGE NUT WHEN SERVICING TRANSMISSION. ALSO INCLUDES 2004 MODELS. *TT
0306040332003-09-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED DIAGNOSTIC TROUBLE CODE P0336. *TT UPDATE. TO INCLUDE 2004 ISUZU NQR COMMERCIAL MODELS. *TT

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