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Service bulletin 9004491

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10220629
Published by NHTSA2022-09-26
Manufacturer's number9004491
Manufacturer's date2022-03-09
NHTSA componentSUSPENSION: ADJUSTMENT:AUTOMATIC ELECTRICAL/HYDRAULIC

NHTSA's summary

SHOCK ABSORBER KIT, Suspension, Front/Rear For concern of shock oil leak, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with the repair.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Suspension

Vehicles listed
JEEP WRANGLER2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
91007562026-02-19. Service bulletin. DO NOT REPLACE MULTIPLE SHOCKS UNLESS ALL ARE VERIFIED TO BE DEFECTIVE. Reference Master Tech article released in January 2026 for updated diagnostic and testing procedures. Master Tech link: https: //mastertech.playerlync.net/app/player/p2tQVm
91007562026-02-04. Service bulletin. DO NOT REPLACE MULTIPLE SHOCKS UNLESS ALL ARE VERIFIED TO BE DEFECTIVE. Reference Master Tech article released in December 2025 for updated diagnostic and testing procedures. Master Tech link: https: //mastertech.playerlync.net/app/player/p2tQVm
S1819000004 REV.R2025-12-11. Service bulletin. Shimmy Felt In Front End
02-002-25 REV. A2025-09-17. Service bulletin. Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts.
02-002-252025-05-30. Service bulletin. "Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts. "
S2123000046 REV.B2024-08-26. Service bulletin. Click Noise From Front End While Driving And Or Turning.
91002292023-10-30. Service bulletin. LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect.
S23020000012023-04-17. Service bulletin. Service Air Suspension Message In Cluster. C15AD-92-Ride Height System- Performance In Below Freezing Temperatures.
90044912023-01-09. Service bulletin. SHOCK ABSORBER KIT, Suspension, Front/Rear For concern of shock oil leak, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with the repair.
90044912022-10-17. Service bulletin. SHOCK ABSORBER KIT, Suspension, Front/Rear For concern of shock oil leak, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with the repair.