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Service bulletins for the 1999 Isuzu Trooper

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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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.
0301S0022003-06-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. THROTTLE BODY MOUNTING BOLT TORQUE SPECIFICATIONS. *TT
IB00S0052000-09-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. THIS INFORMATION BULLETIN OUTLINES THE PROPER STEPS TO INDEX THE CAMSHAFTS WITH THE CRANKSHAFT FOR VEHICLES EQUIPPED WITH DIRECT ATTACK DOHC 3.2L / 3.5L V6 ENGINE. IN THE EVENT THAT CAMSHAFT TIMING HAS BEEN DISRUPTED, DUE TO TIMING BELT BREAKAGE OR CAMSHAFTS / CRANKSHAFT BEING ROTATED WITHOUT A TIMING BELT, THIS IS IMPORTANT PRIOR TO TIMING BELT INSTALLATION. *TT
SB0002S0022000-06-09. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SERVICE INFORMATION REGARDING ALL AFFECTED VEHICLES WITH THE P1441 EVAPORATIVE EMISSION CODE THAT HAS BEEN DIAGNOSED WITH NO FAULT FOUND FROM THE APPROPRIATE FLOW CHART IN THE DRIVEABILITY AND EMISSIONS MANUAL. *TT
SB0001S0052000-06-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. EXPERIENCING INTERMITTENT ROUGH IDLE AND / OR THE MALFUNCTION INDICATOR LAMP IS ON WITH DIAGNOSTIC TROUBLE CODES P0171, P0174, OR P1171. *TT

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