2020 Western Star 4900 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
1 owner complaints analyzed
7 distinct recall campaigns
Not available median reported failure mileage
Scope: 2020 model year. Data snapshot: . 0 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Suspension is the most frequently named component, appearing in 1 of 1 complaints (100.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 1 | 100.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Suspension | 1 |
| Unknown Or Other | 1 |
Suspension: 1; Unknown Or Other: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 1 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2021 | 1 |
2021: 1
Pattern summary
Suspension leads the component reports. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11418380 · 2021-05-24 (May 24, 2021)
Center pin in front leaf springs is not long enough to enter hole in front axle which, keeps them from moving side to side and front to rear. This caused axle to move front and back egg shaping the spacers and causing u bolts to loosen. This could have been catastrophic if it had not been caught by mechanic after I noticed something not being right. The front axle could have folded under the weight of the truck had I had to apply the brakes hard to stop which could have caused a terrible accident. This has kept me in the shop for over a week. N…
Owner-reported narrative. Look up ODI 11418380 at NHTSA ↗