# Service bulletin sb4641

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.

- Type: Service bulletin
- NHTSA id: 10141733
- Published by NHTSA: 2018\-06\-18
- Manufacturer's number: sb4641
- Manufacturer's date: 2018\-02\-26
- NHTSA component: STEERING

## NHTSA's summary

sb4641 Adjusting Tilt Lock Force on TRW Steering ColumnsB

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141733-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141733-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Steering

## Vehicles listed

- 2019 FREIGHTLINER BUSINESS CLASS M2
- 2013 to 2019 FREIGHTLINER CASCADIA
- 2013 to 2018 FREIGHTLINER CENTURY CLASS
- 2013 to 2019 FREIGHTLINER COLUMBIA
- 2013 to 2018 FREIGHTLINER CORONADO

## Recalls for the same vehicles and component

- [2023083](/recalls/tc/2023083.md), 2023-02-20: Steering
- [23V105000](/recalls/nhtsa/23V105000.md), 2023-02-20: STEERING:LINKAGES:DRAG:LINK:CONNECTION
- [2021545](/recalls/tc/2021545.md), 2021-09-02: Steering
- [21V689000](/recalls/nhtsa/21V689000.md), 2021-09-02: STEERING:LINKAGES:DRAG:LINK:CONNECTION
- [2019066](/recalls/tc/2019066.md), 2019-02-13: Steering
- [19V093000](/recalls/nhtsa/19V093000.md), 2019-02-12: STEERING:LINKAGES:TIE ROD ASSEMBLY
- [2018719](/recalls/tc/2018719.md), 2018-12-20: Steering
- [18V913000](/recalls/nhtsa/18V913000.md), 2018-12-19: SUSPENSION:FRONT:CONTROL ARM; STEERING:LINKAGES:TIE ROD ASSEMBLY; STEERING
- [2018551](/recalls/tc/2018551.md), 2018-10-09: Steering
- [18V699000](/recalls/nhtsa/18V699000.md), 2018-10-05: STEERING

## Other bulletins for the same vehicles and component

- [FleetCom\_Pwr Steer Res](/bulletins/11027503.md), 2026-01-08, Other: STEERING. Fleet Communications for Power Steering Resevoir \- NTF Replacements
- [SS3163\-FTL](/bulletins/11013216.md), 2025-01-29, Other: STEERING. Service Solution for Power Steering Reservoir Fill Cap Venting
- [ICI23\-010](/bulletins/10233951.md), 2023-04-07, Service bulletin: STEERING. Important Campaign Information letter communicating that SF660 Field Service Campaign is Replaced by FL967.
- [SF660A](/bulletins/10230910.md), 2023-02-04, Service bulletin: STEERING. Revised Field Service Campaign for Drag Link Tapered Joint
- [SF660](/bulletins/10228679.md), 2023-01-06, Service bulletin: STEERING. Field Service Campaign for Drag Link Tapered Joint
- [TSN 18484](/bulletins/10193210.md), 2021-05-13, Service bulletin: STEERING; EQUIPMENT. Technical Service Note on Intermittent loss of power steering assist, LH turn only for Cascadia. Only intended for customers wishing to add a power steering oil cooler. For replacement of the gear reference TSN 46\-01
- [CALFTL32\-010](/bulletins/10187596.md), 2021-02-27, Service bulletin: STEERING; EQUIPMENT. Customer Advisory Letter for New Cascadia Front Steer Arm – Drag Link Ball Joint Connection Inspection.
- [WP20\-018R](/bulletins/10184029.md), 2020-12-12, Service bulletin: STEERING; POWER TRAIN. Revised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. Revisions are in blue. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured Alliance/Mascot parts include transmission, differential, steering gear, and steering pump used in an on\-highway vehicle applications. The Alliance/Mascot aftermarket warranty coverage period has not changed: depending on the part, coverage is for one \(1\) or two \(2\) years and current parts, labor, and reimbursement policies apply.
- [WP20\-018](/bulletins/10183988.md), 2020-12-12, Service bulletin: STEERING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; POWER TRAIN. Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured Alliance/Mascot parts include transmission, differential, steering gear, and steering pump used in an on\-highway vehicle applications. The Alliance/Mascot aftermarket warranty coverage period has not changed: depending on the part, coverage is for one \(1\) or two \(2\) years and current parts, labor, and reimbursement policies apply.
- [TechTalk4725](/bulletins/10180350.md), 2020-09-30, Service bulletin: STEERING; EQUIPMENT. Tech Talk discussion about power steering fluid.

JSON: [/v1/bulletins/10141733](/v1/bulletins/10141733)

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