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Service bulletin SB-2030349-1

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 id10059347
Published by NHTSA2016-03-16
Manufacturer's numberSB-2030349-1
Manufacturer's date2013-09-24
NHTSA componentTIRES; STEERING

NHTSA's summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Steering, Tires

Vehicles listed
BENTLEY MULSANNE2013, 2014

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
2056407/72025-11-06. Service bulletin. Running gear - Noise identification. Condition Customer statement: Noise complaint from the suspension and/or steering Workshop findings: The noise can be reproduced and clearly assigned to the suspension system from either of the axles And/or The noise can be reproduced and clearly assigned to the steering system
2056407/62025-03-08. Service bulletin. Running gear - Noise identification. Customer statement: Noise complaint from the suspension and/or steering.
2056407.52023-11-06. Service bulletin. Running gear - Noise identification Workshop Findings: -The noise can be reproduced and clearly assigned to the suspension system from either of the axles And/or The noise can be reproduced and clearly assigned to the steering system Prior to starting the instructions within this TPI, the Retailer must check and confirm the vehicle is in standard factory condition and has not had any non-approved aftermarket modifications conducted including the modification of the engine control modules (chip tuning) Check the history of the vehicle to confirm Should any aftermarket modifications be found, the Retailer must make Product Support aware by raising a DISS query to report the details of the modification, you must then await feedback from Product Support before conducting any further work
2056407.42022-12-08. Service bulletin. Running Gear - Noise Identification Customer Statement: -Noise complaint from the suspension and/or steering
2056407/32021-10-04. Service bulletin. Running gear - Noise identification. Customer statement: Noise complaint from the suspension and/or steering Workshop findings: The noise can be reproduced and clearly assigned to the suspension system from either of the axles And/or The noise can be reproduced and clearly assigned to the steering system
2043019/12020-01-17. Service bulletin. Mulsanne Steering Gear - Hydraulic Oil leak Customer statement / workshop findings Increased steering effort, power steering pump noise or a hydraulic fluid leak from the underside of the vehicle. Hydraulic fluid leak from the Steering Rack Pinion Bearing. Technical background The Steering Rack may leak low pressure hydraulic fluid from the Pinion Bearing due to degradation of the Pinion Bearing oil seal. An improved material specification for the Pinion Bearing oil seal has been introduced. Measure Vehicles with less than 10.000 miles / 16.000 kilometres or under one year old Replace the Steering Rack Assembly Refer to Rep. Gr.48. Steering Rack To Remove and Fit. Vehicles with a repeat failure - Replace the Steering Rack Assembly Refer to Rep. Gr.48. Steering Rack To Remove and Fit. Vehicles with a first time failure, over 10.000 miles or 16.000 kilometres - replace the Pinion Bearing oil seal. Refer to Pinion Bearing Oil Seal Replacement Below.
2056407/22020-01-09. Service bulletin. Condition: Customer statement: Noise complaint from the suspension and/or steering Workshop findings: The noise can be reproduced and clearly assigned to the suspension system from either of the axles And/or The noise can be reproduced and clearly assigned to the steering system Prior to starting the instructions within this TPI, the Retailer must check and confirm the vehicle is in standard factory condition and has not had any non-approved aftermarket modifications conducted including the modification of the engine control modules (chip tuning) Check the history of the vehicle to confirm Should any aftermarket modifications be found, the Retailer must make Product Support aware by raising a DISS query to report the details of the modification, you must then await feedback from Product Support before conducting any further work Technical Background It is the retailers responsibility to check and confirm if any TPIs are applicable to the customers complaint/issue, should an applicable TPI be available, apply it and complete a DISS complaint to include Workshop findings only (No repair query required) For correct diagnosis and repair, the attached Flowchart must be followed in conjunction with the Measure section of this TPI
2057664/12019-12-06. Service bulletin. Customer statement / workshop findings: Clicking noise from the right and/or left front corner with steering input. Technical background: Verify that the customer complaint matches the video within the Bentley Hub Reference TPI Transaction number 2057664/1. Should the customer complaint match the issue refer to the Measure section of this TPI. Measure: 1) Replace the affected front steering upright and front wheel bearing.
2030349-32019-07-01. Service bulletin. Mulsanne steering shimmy/vibration - 21 Inch wheels only (USA)
2030349.22017-09-14. Service bulletin. Mulsanne steering shimmy/vibration - 21 Inch wheels only (USA)