2018 Western Star 4700 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2018 Western Star 4700, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Airbags1100.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
The contact was driving the company's vehicle which was a 2018 Western Star 4700. The contact stated that while driving approximately 40 mph at a curve and suddenly the front passenger tire began to wobble. The contact lost control of the vehicle's steering ability. The contact stated the vehicle began to lose complete control and then flipped over to the right side. The air bags did not deploy. The contact had injuries to their shoulder and medical attention was not needed. A police report was filed. The vehicle was towed. The vehicle had not been deemed totaled. The contact stated they were told by the owner of the vehicle that the dealer was made aware of the failure, however, the diagnosis was unknown. The manufacturer was not made aware of the failure. The approximate failure mileage was 247,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .