2019–2020 Thor Motor Coach Aria, 2019–2020 Thor Motor Coach Venetian Recall: Brake caliper mounting bolts may have been insufficiently tightened
NHTSA campaign 20V167000 · Service Brakes, Air · filed Mar 20, 2020 · verified Jul 30, 2026
The defect
Thor Motor Coach (TMC) is recalling certain 2019-2020 Aria 3401, 3601, 3901, 3902, and Venetian G36, J40, L40, M37, R40, and S40 motorhomes built on DTNA chassis. The brake caliper mounting bolts may have been insufficiently tightened.
The risk
Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
DTNA will notify owners, and DTNA dealers will inspect and repair the vehicles, free of charge. The recall began on May 20, 2020. Owners may contact DTNA customer service at 1-800-547-0712 or TMC customer service at 1-877-855-2867.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Thor Motor Coach | Aria | 2019, 2020 |
| Thor Motor Coach | Venetian | 2019, 2020 |
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All Thor Motor Coach Aria recalls → · All Thor Motor Coach recalls →
Source: NHTSA recall database, campaign 20V167000 (manufacturer number RC000186). Data last verified Jul 30, 2026.