AI Damage2018 Western Star 4900: common problems
The maker issued 204 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 204
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 84 |
| Engine and cooling | 0 | 0 | 40 |
| Electrical system | 0 | 0 | 33 |
| Engine | 0 | 0 | 28 |
| Fuel system | 0 | 0 | 16 |
| Powertrain | 0 | 0 | 14 |
| Visibility | 0 | 0 | 8 |
| Suspension | 0 | 0 | 5 |
| Service brakes | 0 | 0 | 4 |
| Structure | 0 | 0 | 4 |
| Steering | 0 | 0 | 3 |
| Backover prevention | 0 | 0 | 1 |
| Fuel/propulsion system | 0 | 0 | 1 |
| Other | 0 | 0 | 1 |
Comparison
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
- Technical Service Bulletin for StarNet Manuals Moving to Technical Literature
- CX Advocate for NOx conversion low faults
- CX Advocate for turbo oil drain cracking
- CX Advocate for GATS2.4 being expanding to DD15
- CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault
- CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test…
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
- Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair…
- Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- Important Campaign Information letter for DDC D23M3 - Campaign Reactivated and Extended
Field Service Campaign D23M3 - GHG17 DETROITTM DD16® Vibration Damper Replacement has been extended for an additional 6 months.
- CX Advocate for NOx conversion low faults
Update to CXA 6_24_NOx submission.
- CX Advocate communication for NOx conversion low faults
NHTSA lists 204 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2018 Western Star 4900?
There are no owner complaints in the NHTSA data for this year; the data comes from 204 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2018 Western Star 4900?
NHTSA lists 204 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2018 Western Star 4900 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2018 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.