2017–2019 Thor Motor Coach Venetian, 2017–2018 Thor Aria Recall: Brake caliper mounting bolts on these vehicles may be insufficiently…
NHTSA campaign 18V507000 · Service Brakes, Hydraulic · filed Aug 2, 2018 · verified Jul 30, 2026
The defect
Thor Motor Coach (TMC) is recalling certain 2017-2018 Thor Aria motorhomes and 2017-2019 Thor Venetian motorhomes. The brake caliper mounting bolts on these vehicles may be insufficiently tightened, allowing the bolts to loosen.
The risk
If the brake caliper mounting bolts loosen, braking performance may be reduced, 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
TMC will notify owners, and authorized Daimler Trucks service centers will inspect the caliper mounting bolts and tighten them to the proper specification, free of charge. The recall began September 4, 2018. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000159.
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
Related recalls
More Thor Motor Coach Venetian recalls
- 2021–2022 Thor Motor Coach Venetian — Patio awning may have been improperly installed, allowing…
- 2019–2021 Thor Motor Coach Aria and 7 other models — Adhesive that bonds the vented portion of the window may…
- 2018–2021 Thor Motor Coach Aria and 4 other models — Tire valve stem extension for the inner wheel may contact…
- 2017–2020 Thor Motor Coach Aria and 4 other models — Rear mounted Power Distribution Module (PDM) may have been…
- 2019–2020 Thor Motor Coach Aria and 1 other model — Brake caliper mounting bolts may have been insufficiently…
Other campaigns involving Thor Motor Coach vehicles
- 2023–2024 Thor Motor Coach Dazzle and 7 other models — Solar panel mounting brackets may become loose or break…
- 2023–2024 Thor Motor Coach Dazzle and 5 other models — Adhesive securing the solar panels to the roof may fail…
- 2025–2026 Thor Motor Coach Chateau and 7 other models — A P-clamp may not have been installed, allowing the Liquid…
All Thor Motor Coach Venetian recalls → · All Thor Motor Coach recalls →
Source: NHTSA recall database, campaign 18V507000 (manufacturer number RC000159). Data last verified Jul 30, 2026.