# Service bulletin WP20\-018

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: 10183988
- Published by NHTSA: 2020\-12\-12
- Manufacturer's number: WP20\-018
- Manufacturer's date: 2020\-12\-07
- NHTSA component: STEERING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; POWER TRAIN

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183988-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183988-9999.pdf)

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

## Components

Equipment and accessories, Steering, Transmission and driveline

## Vehicles listed

- 2010 to 2021 FCCC XBP
- 2011 to 2021 FCCC XBR
- 2011 to 2021 FCCC XBS
- 2011 to 2021 FCCC XCL
- 2010 to 2021 FCCC XCM
- 2010 to 2021 FCCC XCP
- 2011 to 2021 FCCC XCR
- 2011 to 2021 FCCC XCS
- 2010 to 2021 FREIGHTLINER 108SD
- 2010 to 2021 FREIGHTLINER 114SD
- 2010 to 2021 FREIGHTLINER 122SD
- 2010 to 2021 FREIGHTLINER BUSINESS CLASS M2
- 2010 to 2021 FREIGHTLINER CASCADIA
- 2019 to 2021 FREIGHTLINER ECONIC SD
- 2010 to 2021 THOMAS BUILT BUSES SAF\-T\-LINER C2
- 2010 to 2021 THOMAS BUILT BUSES SAF\-T\-LINER EFX
- 2010 to 2021 THOMAS BUILT BUSES SAF\-T\-LINER HDX
- 2010 to 2021 WESTERN STAR 4700
- 2010 to 2021 WESTERN STAR 4800
- 2010 to 2021 WESTERN STAR 4900
- 2010 to 2021 WESTERN STAR 5700
- 2010 to 2021 WESTERN STAR 6900

## 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
- [22V338000](/recalls/nhtsa/22V338000.md), 2022-05-16: EQUIPMENT:OTHER:LABELS
- [2021739](/recalls/tc/2021739.md), 2021-12-08: Steering
- [21V946000](/recalls/nhtsa/21V946000.md), 2021-12-08: STEERING:GEAR BOX:SHAFT SECTOR
- [2021545](/recalls/tc/2021545.md), 2021-09-02: Steering
- [21V689000](/recalls/nhtsa/21V689000.md), 2021-09-02: STEERING:LINKAGES:DRAG:LINK:CONNECTION
- [2021304](/recalls/tc/2021304.md), 2021-05-19: Steering
- [21V369000](/recalls/nhtsa/21V369000.md), 2021-05-19: STEERING:LINKAGES:TIE ROD ASSEMBLY
- [2021219](/recalls/tc/2021219.md), 2021-04-12: Steering

## Other bulletins for the same vehicles and component

- [TSB\-42\-080\-FTL](/bulletins/11035527.md), 2026-08-03, Service bulletin: POWER TRAIN. Revised Technical Service Bulletin for ABS Wheel Speed Fault Code Correction for MBSP Equipped Vehicles. Updated frequently asked questions.
- [TSB\-26\-057\-FTL](/bulletins/11033103.md), 2026-06-01, Service bulletin: POWER TRAIN. Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
- [ICI26\-006](/bulletins/11031973.md), 2026-05-02, Other: POWER TRAIN. Important Campaign Information for SF706 \- Revised, Reactivated
- [SF706\-DLR LTR](/bulletins/11031972.md), 2026-05-02, Service bulletin: POWER TRAIN. Revised Field Service campaign for Cascadia Axle Conversion: Adaptive Tandem \(AT\) 6x4 to New Final Drive \(NFD\)
- [SF706\-Bulletin](/bulletins/11031971.md), 2026-05-02, Service bulletin: POWER TRAIN. Revised Field Service campaign for Cascadia Axle Conversion: Adaptive Tandem \(AT\) 6x4 to New Final Drive \(NFD\)
- [ICI26\-003](/bulletins/11030493.md), 2026-04-02, Other: POWER TRAIN. Important Campaign Information letter for SF706 \- campaign suspended
- [FleetCom\_SF706](/bulletins/11029522.md), 2026-03-04, Other: POWER TRAIN. Fleet Communications for SF706 \- Cascadia axle conversion
- [SF706\-OWN LTR](/bulletins/11029516.md), 2026-03-04, Service campaign: POWER TRAIN. Field Service campaign for Cascadia Axle Conversion: Adaptive Tandem \(AT\) 6x4 to New Final Drive \(NFD\)
- [SF706\-DLR LTR](/bulletins/11029515.md), 2026-03-04, Service campaign: POWER TRAIN. Field Service campaign for Cascadia Axle Conversion: Adaptive Tandem \(AT\) 6x4 to New Final Drive \(NFD\)
- [SF706\-Bulletin](/bulletins/11029509.md), 2026-03-04, Service campaign: POWER TRAIN. Field Service campaign for Cascadia Axle Conversion: Adaptive Tandem \(AT\) 6x4 to New Final Drive \(NFD\)

JSON: [/v1/bulletins/10183988](/v1/bulletins/10183988)

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