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Service bulletins for the 2002 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.

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

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Only bulletins with component: Suspension are shown. Show all

Bulletins, newest first
ITB00024F2021-05-10. Service bulletin. STEERING; SUSPENSION; SERVICE BRAKES. SERVICE INFORMATION - This bulletin is to assist you in responding to customer questions about brake operation, and provides diagnostic and repair information for each item listed, if any should occur. - Most brake issues fall into the following categories: a. Brake Noise: A squeak, squeal, clunk, or groan that occurs when the brakes are applied or released. b. Brake Judder: A vibration that can be felt in the vehicle, steering wheel, or brake pedal when the brakes are applied. c. Pedal Feel: The effort needed to operate the brakes is too high or too low. SERVICE PROCEDURE 1. Verify the condition by road testing the vehicle with the customer. 2. Determine the specific brake issue based on the description in the Service Information above. 3. Follow the appropriate repair procedure(s), listed on the following pages, for your specific issue. See this bulletin for further details.
ITB99001A2021-05-10. Service bulletin. SUSPENSION. SERVICE INFORMATION This bulletin provides information to identify: - A leaking strut or a shock absorber that qualifies for replacement under warranty. - A strut or shock absorber that has slight oil seepage, a condition which is considered normal, does not affect strut/shock absorber operation or performance, and does not require replacement. - A strut or shock absorber that should be replaced due to rod resistance/noise issues. See this bulletin for further detail.
RCB-11-039-E2012-06-12. Service bulletin. SUSPENSION:FRONT:MACPHERSON STRUT. INFINITI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CERTAIN VEHICLES REGISTERED IN STATES WHERE CONCENTRATION OF ROAD IS USED, AN INSPECTION FOR CORROSION AND REPAIR, IF NECESSARY, ON FRONT HOUSING PANELS. SAFETY RECALL CAMPAIGN. MODEL QX4. YEARS 1997-2003. *PE
ITB-11-0412011-09-14. Service bulletin. SUSPENSION:FRONT:MACPHERSON STRUT. NISSAN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. 1997-2004 QX4. IN STATES WHERE HEAVY CONCENTRATIONS OF ROAD SALT ARE USED IN THE WINTER, THE FRONT DRIVER¿S SIDE STRUT HOUSING CAN DEVELOP CORROSION THAT MAY CAUSE DAMAGE. THIS MAY ALLOW THE HOUSING TO CONTACT THE STEERING COLUMN. THIS WOULD CREATE NOISE AND A DIFFERENCE IN STEERING EFFORT. IT MAY LEAD TO STEERING SYSTEM DAMAGE, AND POSSIBLY BRAKE LINE DAMAGE. *RM UPDATED 9/27/11. *PE UPDATED 02/06/12. *PE UPDATED 6/12/12. *PE UPDATED 8/22/12. *PE UPDATED 12/19/13. *PE UPDATED 12/26/13. *PE

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