# Service bulletin CAL WST 32\-002

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: 10168628
- Published by NHTSA: 2019\-12\-02
- Manufacturer's number: CAL WST 32\-002
- Manufacturer's date: 2019\-12\-02
- NHTSA component: EQUIPMENT; SUSPENSION; EQUIPMENT ADAPTIVE/MOBILITY

## NHTSA's summary

Customer Advisory Letter for Airliner welded axle seats. The welded axle seats were installed incorrectly on the rear most drive axle for specific vehicles resulting in an incorrect axle pinion angle. The existing welded axle seats will be removed and replaced with new axle seats installed in the correct orientation.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168628-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168628-9999.pdf)

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

## Components

Equipment and accessories, Suspension

## Vehicles listed

- 2019 to 2020 WESTERN STAR 4700
- 2019 to 2020 WESTERN STAR 4900
- 2019 to 2020 WESTERN STAR 5700

## Recalls for the same vehicles and component

- [22V338000](/recalls/nhtsa/22V338000.md), 2022-05-16: EQUIPMENT:OTHER:LABELS
- [20V634000](/recalls/nhtsa/20V634000.md), 2020-10-14: EQUIPMENT:OTHER:LABELS; TIRES
- [20V539000](/recalls/nhtsa/20V539000.md), 2020-09-03: SUSPENSION:MULTIPLE AXLE
- [20V211000](/recalls/nhtsa/20V211000.md), 2020-04-10: EQUIPMENT:OTHER:LABELS
- [18V913000](/recalls/nhtsa/18V913000.md), 2018-12-19: SUSPENSION:FRONT:CONTROL ARM; STEERING:LINKAGES:TIE ROD ASSEMBLY; STEERING

## Other bulletins for the same vehicles and component

- [TSB\-32\-020\-WST](/bulletins/11030281.md), 2026-03-27, Service bulletin: SUSPENSION. Technical Service Bulletin for TufTrac M12 Bolts
- [SS734\-WST](/bulletins/11000986.md), 2024-06-05, Other: SUSPENSION. Service Solution for Thread Spring Pin Suspension Alignment \& Installation
- [SBW54\-074](/bulletins/10207520.md), 2022-02-05, Service bulletin: EQUIPMENT. Revised Western Star Service Bulletin for Pana\-Pacific 540 Radio Controls Not Operating Normally. Minor note: added an update of document previously submitted. The related VMRS codes are added
- [CALWS49\-001](/bulletins/10194453.md), 2021-05-25, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Customer Advisory Letter on ATD Inlet Pipe Bellows Assembly
- [WSTCAE180\-2020](/bulletins/10193771.md), 2021-05-18, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Portland Truck Plant Paint Changes
- [WSTCAE177\-2020](/bulletins/10193768.md), 2021-05-18, Service bulletin: EQUIPMENT; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY. Meritor Transfer Case Updates
- [WSTCAE176\-2020](/bulletins/10193767.md), 2021-05-18, Service bulletin: TRAILER HITCHES; EQUIPMENT; STRUCTURE:FRAME AND MEMBERS. Removable Front Tow Hook Changes
- [WSTCAE172\-2020](/bulletins/10193763.md), 2021-05-18, Service bulletin: EQUIPMENT; VISIBILITY. Tractor Reflective Devices
- [WSTCAE171\-2019](/bulletins/10193762.md), 2021-05-18, Service bulletin: EQUIPMENT; FUEL SYSTEM, OTHER; POWER TRAIN. Allison FuelSense 2.0
- [WSTCAE170\-2019](/bulletins/10193761.md), 2021-05-18, Service bulletin: EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER; VISIBILITY. New Valeo A/C Compressor

JSON: [/v1/bulletins/10168628](/v1/bulletins/10168628)

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