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Service bulletins for the 1997 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.

93 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
ITB020232002-07-11. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION REGARDING CONSOLE TEMPERATURE DISPLAY READING INACCURATELY. *TT
ITB98007A2001-11-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING IDLER PULLEY NOISE (AMENDMENT). *YD
ITB000362000-09-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING VG33E PISTON REPLACEMENT. *TT
ITB990552000-04-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES BUILT BEFORE JNRAR07YXYW075013 MAY EXHIBIT HARD STARTING IN COLD TEMPERATURES AND HIGH ALTITUDES. *TT
ITB98047A1999-10-29. 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
ITB990031999-04-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING MALFUNCTION INDICATOR LAMP ON WITH 02 SENSOR DTCS. *TT
98028A1999-01-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EXHAUST SYSTEM WARRANTY EXTENSION INFORMATION. *YC
ITB970221997-07-17. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. QX4 ENGINE HEATER. *TW
ITB970031997-06-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. RELEASING A FRONT HEATED OXYGEN SENSOR WRENCH AS AN ESSENTIAL TOOL TO EACH INFINITI RETAILER. *JD

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