2018 Thor Motor Coach Aria 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 Thor Motor Coach Aria, 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
- Body & structure150.0%
- Other / unspecified150.0%
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
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
The contact owns a 2018 Freightliner XC-R. The contact stated that one of the windows located at the front end of the motorhome had started to delaminate. The contact used silicone to seal the window; however, he noticed that other windows in the motorhome were also experiencing the same failure. The contact stated that while driving at an unknown speed, a bathroom window detached from the RV. The contact stated that a total of five windows in the motorhome had failed due to an adhesive failure. Upon investigation, the contact discovered NHTSA Campaign Number: 21V522000 (Structure, Equipment). The manufacturer was notified of the failure, but the RV was not included in the recall. The RV was not repaired. The failure mileage was 37,231.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
The contact owns a 2018 Freightliner XC-R. The contact stated that one of the windows located at the front end of the motorhome had started to delaminate. The contact used silicone to seal the window; however, he noticed that other windows in the motorhome were also experiencing the same failure. The contact stated that while driving at an unknown speed, a bathroom window detached from the RV. The contact stated that a total of five windows in the motorhome had failed due to an adhesive failure. Upon investigation, the contact discovered NHTSA Campaign Number: 21V522000 (Structure, Equipment). The manufacturer was notified of the failure, but the RV was not included in the recall. The RV was not repaired. The failure mileage was 37,231.
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 .