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Service bulletin 9004166

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 id10175612
Published by NHTSA2020-05-26
Manufacturer's number9004166
Manufacturer's date2020-04-01
NHTSA componentFUEL SYSTEM, GASOLINE; STEERING

NHTSA's summary

DAMPER, Steering Additional service procedure steps before replacing the steering damper: Before istalling the steering damper to the vehicle, it is important to prime the new damper by 5 continuous compression ? extension stroke cycles by hand, each cycle consists of a full compression and a full extension stroke, without stops as fast as possible. Use large screwdrivers inserted in the bushings to aid in purging. This will allow you to stand on the lower screwdriver to hold the damper stationary and pump the rod end easier. Perform purge before installing NOTE: Hand purge to be completed in a vertical position with the base cup sticker end down toward the ground and the rod side facing up.See CSN V41 for detail procedure.

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

Fuel system, Steering

Vehicles listed
JEEP WRANGLER2018, 2019, 2020

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

Recalls for the same vehicles and component
22V7670002022-10-13. ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
20215302021-08-26. Fuel System
21V6650002021-08-26. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
20200242020-01-24. Steering
20191382019-03-15. Steering
19V2010002019-03-14. STEERING
20185392018-09-28. Steering
20182812018-05-25. Steering
18V3430002018-05-25. STEERING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
S1819000004 REV.R2025-12-11. Service bulletin. Shimmy Felt In Front End
1056462025-10-15. Service bulletin. MODULE - STEERING CONTROL & COLUMN
14-010-25 REV. C2025-07-02. Service bulletin. Frequent Repairs Of Fuel System Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as diesel fuel filters. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debris.
14-010-25 REV. B2025-06-10. Service bulletin. "Frequent Repairs Of Fuel System Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as fuel filter. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debris "
14-010-25 REV. A2025-06-02. Service bulletin. "Frequent Repairs Of Fuel Line Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as fuel filter. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debri "
1050382025-05-20. Service bulletin. TUBE - FUEL INJECTOR SUPPLY & GASKET - NONE
1050392025-05-16. Service bulletin. TUBE - FUEL INJECTOR SUPPLY & GASKET - NONE
9100491 Rev 12025-04-16. Service bulletin. "Drag Link Long Socket FOR STEERING SHIMMY DIAGNOSIS, PLEASE REFERENCE S1819000004 Rev. Q AND 19 - Steering / Diagnosis and Testing (IN SERVICE LIBRARY). PLEASE REFER 19 - Steering / Linkage / END, Tie Rod / Diagnosis and Testing IF YOU HAVE BALL JOINT LOOSENESS CONCERN. PLEASE DO NOT REPLACE DRAG LINK AND TIE ROD UNLESS PART HAS VISIABLE DAMAGE OR FREE PLAY EXCEEDS SPECS."
S1819000004 REV.Q2025-02-15. Service bulletin. Shimmy Felt In Front End
91004912025-01-17. Service bulletin. Drag Link Long Socket FOR STEERING SHIMMY DIAGNOSIS, PLEASE REFERENCE S1819000004 Rev. Q AND 19 - Steering / Diagnosis and Testing (IN SERVICE LIBRARY). PLEASE REFER 19 - Steering / Linkage / END, Tie Rod / Diagnosis and Testing IF YOU HAVE BALL JOINT LOOSENESS CONCERN. PLEASE DO NOT REPLACE DRAG LINK AND TIE ROD UNLESS PART HAS VISIABLE DAMAGE OR FREE PLAY EXCEEDS SPECS.