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 the federal safety agency 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.
The worst 2018 Thor Motor Coach Aria problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Body1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Body1
Recalls 2
Tires: valve
- What is wrong
- 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.
- Risk
- 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.
- Remedy
- 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.
Recall number 20V559000 · Recall details
Exterior lighting: turn signal
- What is wrong
- 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.
- Risk
- Non-functioning exterior marker lights can increase the risk of a crash.
- Remedy
- 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.
Recall number 20V418000 · Recall details
What 2018 Thor Motor Coach Aria owners say
Most recent owner complaints, unedited.
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Questions about the 2018 Thor Motor Coach Aria
Is the 2018 Thor Motor Coach Aria reliable?
Owners have filed 1 complaint about the 2018 Thor Motor Coach Aria, fewer than a typical Aria model year.
What is the most common problem with the 2018 Thor Motor Coach Aria?
Body and structure, with 1 complaint.
How many recalls does the 2018 Thor Motor Coach Aria have?
2 recalls, covering tires and exterior lighting.
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