2018 Thor Motor Coach Aria
Problems, recalls and owner-reported issues
Equipment is the leading concern among 1 owner complaints filed for this model year. This is the 7th highest complaint count among 7 Aria model years with reports.
What owners report most often
Recalls and investigations
Tires, valveSep 15, 2020
Thor Motor Coach (TMC) is recalling certain 2018-2021 Aria, Palazzo, Tuscany, and Venetian motorhomes built on a Daimler Trucks (DTNA) chassis. The tire valve stem extension for the inner wheel may contact the outer wheel rim opening and become damaged.
Extensive damage to the valve stem extension may result in a loss of tire pressure of the inner wheel, increasing the risk of a crash.
TMC will notify owners, and DTNA dealers will inspect the inner wheel valve stem stabilizers, and adjust as needed and/or replace the inner valve stem, free of charge. The recall began November 2, 2020. Owners may contact TMC customer service at 1-800-524-5210 extension 104 or DTNA customer service at 1-800-547-0712. TMC's number for this recall is RC000204. DTNA's number for this recall is FL-861.
Campaign 20V559000 on NHTSA.gov
Exterior lighting, brake lightsJul 20, 2020
Thor Motor Coach (TMC) is recalling certain 2017-2020 Aria, Venetian and Tuscany, 2017 Tuscany XTE and 2017-2019 Palazzo motorhomes vehicles that received an inspection-only remedy for recall 18V-763. The rear mounted Power Distribution Module (PDM) may have been damaged during manufacturing, possibly resulting in the rear marker lights, brake lights, or turn signals not functioning.
Non-functioning exterior marker lights can increase the risk of a crash.
TMC will notify owners, and Daimler Trucks dealers will replace the PDM, free of charge. Owner letters were mailed October 6, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000196.
Campaign 20V418000 on NHTSA.gov
Representative owner complaints
1 report, newest first.
Structure, Equipment, Dec 1, 2023
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.