2022 Western Star 4900 technical service bulletins
36 technical service bulletins and manufacturer communications cover the 2022 Western Star 4900.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
- CX Advocate for ConMet Oil Pan Insert Additional Issues
- CX Advocate for NOx conversion low faults
- Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
- CX Advocate for benefits of Autoelevate and hydrocarbon faults
- CX Advocate for AutoElevate Disablement Gen5 Engines
- CX Advocate for ConMet Oil Pan Insert Additional Failures
- CX Advocate for NOx conversion low faults
- CX Advocate communication for NOx conversion low faults
- CX Advocate communication for clutch bolts
- Technical Service Bulletin for New Final Drive Over Heat Diagnostic
- Service Solution for Thread Spring Pin Suspension Alignment & Installation
- Customer letter regarding variable speed water pump.
- Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
- Revised Emissions Recall: Cummins DEF Sensor Shortage
- Important Campaign Information letter for FL974
- Emissions Recall: Cummins DEF Sensor Shortage
- Important Campaign Information Letter for DDC D21M1 Termination Date Extended
- Western Star Service Bulletin for DEF Connector Reinforcement Caps
- Customer Avisory Letter for Seat Bolt Inspection
- Portland Truck Plant Paint Update
- Field Service Campaign for Detroit Diesel Engine Fan Activation with A/C. On certain Freightliner and...
- Western Star Service Solution for Low Voltage Disconnect (LVD) Troubleshooting: Western Star 5700 and New...
- Western Star Service Bulletin for Key Fob ID Retention
- Supply chain shortage notice
- Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown
- Detroit Field Service Campaign for DT12 Transmission Drive Shaft Cover Plug Reseal
- Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown
- Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
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