Vehicle report

2027 WESTERN STAR 49X

Service bulletins

16 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

FleetCom 1_TransOil Cool

Other

Fleet Communications for eAxle Breather Hose Relocation to Reduce Water Intrusion Risk

CXA 08_26_Equalizer Beam

Other

CX Advocate for Twin Steer Equalizer Beam Bushing Wear

CXA 08_26_TransOil Cooler

Other

CX Advocate for Transmission Oil Cooler Lines Rubbing

WI26-009R

Other

Revised Warranty Information letter for missing chamber caging bolts

TS-0004-00

Other

Truck Equipment Manufacturer Solution for Odometer Pause & PTO Mode Delay with Customer Installed SSPTO & Controls

CAL FTL 54-044

Other

Customer Advisory Letter for Bosch Common Telematics Platform (CTP) – Connectivity Service Disablement Until CTP Replacement

TS-0013-00

Other

Truck Equipment Manufacturer Solution for PTO Mode Delay for Driving PTO

WI26-009

Other

Warranty Information letter for missing chamber caging bolts

CXA 06_26_Hood

Other

CX Advocate for Hood Cracks

PB-47-900-WST

Service Bulletin/Repair Instructions

Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals

CXA 05_26_Equalizer Beam

Other

CX Advocate for Twin Steer Equalizer Beam Bushing Wear

CXA 05_26_TransOil Cooler

Other

CX Advocate for Transmission Oil Cooler Lines Rubbing APU Coolant Lines

WI26-008

Other

Warranty Information letter for Reman Parts Usage Policy Reminder

TS-0008-00

Other

Truck Equipment Manufacturer Solution for RSS with PTO Engagement

FAB-QuickFIt Lighting

Other

Features and Benefits for QuickFit Lighting Extension - X series -Western Star

MyCom_03182026-2

Other

My Communications for Air Dryer Location Update for Western Star X-Series

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.