Service bulletins for the 1998 Infiniti QX4
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.
83 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
| ITB02023 | 2002-07-11. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION REGARDING CONSOLE TEMPERATURE DISPLAY READING INACCURATELY. *TT |
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| ITB98007A | 2001-11-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING IDLER PULLEY NOISE (AMENDMENT). *YD |
| ITB00036 | 2000-09-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING VG33E PISTON REPLACEMENT. *TT |
| ITB99055 | 2000-04-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES BUILT BEFORE JNRAR07YXYW075013 MAY EXHIBIT HARD STARTING IN COLD TEMPERATURES AND HIGH ALTITUDES. *TT |
| ITB98047A | 1999-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES BUILT BEFORE JNRAR05Y*XW047868 MAY EXHIBIT A HARD TO START CONDITION AT HIGH ALTITUDE AND COLD CONDITIONS. *TT |
| ITB99015 | 1999-05-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. SERVICE MANUAL PROCEDURE CHANGE FOR REAR OXYGEN SENSOR DIAGNOSTIC TROUBLE CODE(DTC(S) AND THREE-WAY CATALYST DTC. *TT |
| ITB99003 | 1999-04-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING MALFUNCTION INDICATOR LAMP ON WITH 02 SENSOR DTCS. *TT |
| ITB98047 | 1999-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. EXPERIENCING DIFFICULTY STARTING AT HIGH ELEVATION ( OVER 5,OOO FT. ) AND / OR LOW AMBIENT TEMPERATURES AFTER A 4-6 HOUR COLD SOAK. *YC |
| 98028A | 1999-01-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EXHAUST SYSTEM WARRANTY EXTENSION INFORMATION. *YC |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.