THOR MOTOR COACH ARIA (2020) recall — Structure
Thor Motor Coach is recalling certain 2020 Aria models due to adhesive failure that may cause window vents to detach, increasing crash or injury risk. Affected vehicles will receive free window inspections and repairs.
Use caution until it’s fixed
Adhesive failure may cause the vent portion of the window to detach, increasing the risk of a crash or injury.
Contact the company & request your remedy
What happened, in plain English
Thor Motor Coach is recalling 2020 Aria recreational vehicles because the window adhesive may fail, causing the vent portion to detach and potentially increasing crash or injury risk. Owners should have their windows inspected by dealers for free. Read more at govinfonow.com/recall/80098-thor-motor-coach-aria-2020-recall-window-vent-detachment-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/80098-thor-motor-coach-aria-2020-recall-window-vent-detachment-risk · Updated October 4, 2026 · Official notice: NHTSA #21V522000
Cite this page
“Thor Motor Coach Aria 2020 Recall: Window Vent Detachment Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/80098-thor-motor-coach-aria-2020-recall-window-vent-detachment-risk. Based on NHTSA recall #21V522000 (https://www.nhtsa.gov/recalls?nhtsaId=21V522000).
Why it’s dangerous
The adhesive bonding the window's vent portion may fail over time, causing the vent to detach. This could lead to the window becoming unstable during vehicle movement or sudden maneuvers, increasing the risk of crash or injury.
Who’s affected
Owners of 2020 Thor Motor Coach Aria recreational vehicles are affected. Drivers and passengers in these vehicles face the highest risk if the window vent detaches during operation.
How to tell if you have this one
Check for 2020 Thor Motor Coach Aria models with Hehr 6400 series windows. The recall covers vehicles mailed with owner notification letters from September 8, 2021.
- Brand
Thor Motor Coach- Category
Vehicle
What to do — step by step
Contact Dealer for Inspection
Dealers will inspect the windows and replace the vent if necessary at no cost.
Check Notification Letter
Owner notification letters were mailed September 8, 2021 for affected vehicles.
What NHTSA says to do
Dealers will inspect the windows, and replace the vent if necessary, free of charge. Owner notification letters were mailed September 8, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000232.
Questions people ask
Why is this window recall happening?
The adhesive that bonds the vent portion of the window may fail, increasing the risk of detachment during vehicle operation.
How can I tell if my vehicle is affected?
Check if your 2020 Thor Motor Coach Aria has Hehr 6400 series windows, as the recall covers specific models from 2019-2021.
What should I do if my window is affected?
Dealers will inspect the windows and replace the vent if necessary at no cost.
Contact Thor Motor Coach
We’ve drafted a message you can send Thor Motor Coach to request your refund or repair — edit it as you like.
Subject: Recall 21V522000 — Thor Motor Coach Thor Motor Coach Hello, I own a Thor Motor Coach that is covered by recall 21V522000 from Thor Motor Coach. The official recall notice states: Dealers will inspect the windows, and replace the vent if necessary, free of charge. Owner notification letters were mailed September 8, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000232. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #21V522000 (August 7, 2021)
- Plain-language summary written by qwen3:4b on October 4, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.