# Service bulletin DOC\-1033256

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: 10151580
- Published by NHTSA: 2018\-12\-10
- Manufacturer's number: DOC\-1033256
- Manufacturer's date: 2018\-09\-18
- NHTSA component: SUSPENSION

## NHTSA's summary

Service Solution for Western Star 4900, Frame Beaming \- Rough Ride Vibration in bob tail mode

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10151580-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10151580-0001.pdf)

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

## Components

Suspension

## Vehicles listed

- 2007 to 2018 WESTERN STAR 4900

## Recalls for the same vehicles and component

- [18V913000](/recalls/nhtsa/18V913000.md), 2018-12-19: SUSPENSION:FRONT:CONTROL ARM; STEERING:LINKAGES:TIE ROD ASSEMBLY; STEERING
- [2017407](/recalls/tc/2017407.md), 2017-08-24: Suspension
- [17V521000](/recalls/nhtsa/17V521000.md), 2017-08-24: SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY
- [12V266000](/recalls/nhtsa/12V266000.md), 2012-06-12: SUSPENSION:FRONT
- [2011407](/recalls/tc/2011407.md), 2011-11-17: Suspension
- [07V316000](/recalls/nhtsa/07V316000.md), 2007-07-24: SUSPENSION:REAR
- [2007230](/recalls/tc/2007230.md), 2007-07-11: Suspension

## Other bulletins for the same vehicles and component

- [SS734\-WST](/bulletins/11000986.md), 2024-06-05, Other: SUSPENSION. Service Solution for Thread Spring Pin Suspension Alignment \& Installation
- [SBW31\-016](/bulletins/10177605.md), 2020-07-31, Service bulletin: SUSPENSION:REAR; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Western Star Bulletin for Non\-Airliner Rear Suspension Crossmember Fastener Change. With the start of production on March 2, 2020, the fasteners used to assemble the non\-Airliner rear suspension \(bogie\) crossmember have changed. The rear suspension bogie crossmember gussets to the C\-channel will be assembled with 5/8–18 fasteners. This change includes a revision to a higher friction nut that requires an increase in tightening torque. The new higher friction nut can be identified by its green color.
- [SS1034621](/bulletins/10170323.md), 2020-01-21, Service bulletin: SUSPENSION. Service Solution for Western Star vehicles equipped with Hendrickson AIRTEK Axles experiencing a Harsh Ride.
- [SBW41\-002](/bulletins/10168094.md), 2019-11-21, Service bulletin: SUSPENSION; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Service Bulletin for midship bearing replacement. This procedure applies to all vehicles built with driveshafts SPL140, SPL170 or SPL250 with first order driveline vibration.
- [19TL\-9](/bulletins/10163620.md), 2019-08-08, Service bulletin: WHEELS; SUSPENSION; EQUIPMENT. DTNA Special Tools Group has approved the use of Haweka Axis4000 aftermarket alignment system for use on DTNA products at DTNA service locations. The Axis4000 system uses the reference points required by DTNA for precise, accurate, and repeatable measurements. Axis4000 is a sophisticated, user\-friendly system that utilizes computer based camera\-radio technology and references the center line of the frame for measuring and providing alignment results to DTNA specifications.
- [sbw0015](/bulletins/10158111.md), 2019-04-08, Service bulletin: SUSPENSION. Service Bulletin Vibration and Harsh Ride Troubleshooting
- [DOC\-1034171](/bulletins/10156220.md), 2019-04-01, Service bulletin: SUSPENSION. SS 1034171 Airliner Rear Suspension Chassis Lean Troubleshooting
- [sbw0015 Vibratio](/bulletins/10151627.md), 2018-12-10, Service bulletin: SUSPENSION. Vibration and Harsh ride Troubleshooting
- [DOC\-1033256](/bulletins/10140756.md), 2018-06-11, Service bulletin: STRUCTURE; SUSPENSION. SS: 1033256 \- WST Frame Beaming \- Rough Ride Vibration in bob tail mode
- [17TS10](/bulletins/10140676.md), 2018-06-11, Service bulletin: SUSPENSION. Detroit? DT12? Split Rod Bushing Repair

JSON: [/v1/bulletins/10151580](/v1/bulletins/10151580)

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