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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 id10169162
Published by NHTSA2019-12-16
Manufacturer's number9004166
Manufacturer's date2019-11-27
NHTSA componentSTEERING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

DAMPER, Steering Additional service procedure steps after replacing the steering damper: Verify the correct orientation of the steering damper. With the vehicle on the ground, it is required to turn the steering wheel for five lock to lock turns ( ?Full Left ? Full Right ? Center? OR ?Full Right ? Full Left ? Center? counted as 1) at 1 rotation/sec to prime the steering damper and purge out the air. NOTE: It is important to prime the new damper by rotating the steering wheel five full lock to lock turns to purge any trapped air out.

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

Equipment and accessories, Steering

Vehicles listed
JEEP WRANGLER2018, 2019

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

Recalls for the same vehicles and component
19V3200002019-04-23. EQUIPMENT
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
S1819000004 REV.Q2025-02-15. Service bulletin. Shimmy Felt In Front End
1012852024-12-04. Service bulletin. DAMPER - NONE
1016112024-11-13. Service bulletin. Warranty Bulletin D-23-09 Rev. A (XF1) Steering Damper – Select 2018 - 2020 Jeep Wrangler (JL), 2020 Jeep Gladiator (JT) and 2018 Jeep Wrangler (JK)
1016132024-11-13. Warranty extension. FCA Caribbean Warranty Bulletin ID-23-10 Rev. A (XF1) Steering Damper – Select 2018 - 2020 Jeep Wrangler (JL), 2020 Jeep Gladiator (JT) and 2018 Jeep Wrangler (JK)
19-002-24 REV. A2024-11-13. Service bulletin. "Air Trapped in Steering Damper Warranty Extension XF1 A shimmy in the steering wheel after hitting an irregularity on the road surface (symptom is more prevalent in cold temperatures). This bulletin involves replacing the steering damper."
19-002-242024-11-13. Service bulletin. "Air Trapped in Steering Damper Warranty Extension XF1 A shimmy in the steering wheel after hitting an irregularity on the road surface (symptom is more prevalent in cold temperatures). This bulletin involves replacing the steering damper."
S24230000452024-10-31. Service bulletin. Heated Steering Wheel Inoperative And Or Not Hot Enough.
S1819000004 REV.P2024-08-19. Service bulletin. Shimmy Felt In Front End