Service bulletins for the 1998 Infiniti Q45
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.
69 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Heating and air conditioning are shown. Show all
| ITB99050A | 2000-04-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SOME CUSTOMER MAY INDICATE THAT A LIGHT TICKING HUMMING NOISE CAN BE HEARD COMING FROM THE BLOWER MOTOR OF AN VEHICLE WHEN THE MOTOR IS RUN AT LOW FAN SPEEDS (SPEED 1 OR 2). *TT |
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| ITB99050 | 2000-04-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SOME VEHICLES MAY EXHIBIT A LIGHT TICKING OR HUMMING NOISE COMING FROM THE BLOWER MOTOR WHEN THE MOTOR IS RUNNING AT LOW FAN SPEEDS (SPEED 1 OR 2). *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.