How many recalls does the 2020 Thor Motor Coach Ace have?

The 2020 Thor Motor Coach Ace has 1 NHTSA safety recall campaign on record.

How do I check if my 2020 Thor Motor Coach Ace has an open recall?

Enter your 17-character VIN at NHTSA's official recall lookup (nhtsa.gov/recalls) to see open, unrepaired recalls for your specific vehicle. Recall repairs are free.

2020 Thor Motor Coach Ace Recalls

Recalls on record Updated July 2026

The 2020 Thor Motor Coach Ace has 1 NHTSA recall campaign affecting an estimated 71 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

VISIBILITY 20V339000 2020-06-09 71 affected

Defect

Thor Motor Coach (TMC) is recalling certain 2020-2021 ACE, 2021 Four Winds and 2020 Gemini, Axis, Compass, Delano, Windsport, Hurricane, Outlaw, and Vegas motorhomes. The adhesive bond between the glass and the metal hinge frame of the frameless windows may fail which would then allow the glass to detach and fall…

Consequence

If the window glass detaches while the vehicle is moving it could become a projectile, increasing the risk of a crash.

Remedy

TMC will notify owners, and dealers will inspect the frameless windows for proper adhesive bond strength, replacing the windows as necessary, free of charge. The recall began July 10, 2020. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000192.

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2020 Thor Motor Coach Ace as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.