2023 Thor Motor Coach Quantum problems, complaints & recalls
Safety recalls (2)
Equipment:recreational Vehicle/Trailer 2025-03-20 · campaign 25V171000 · 4,251 vehicles
Defect: Thor Motor Company (TMC) is recalling certain 2023-2026 Axis, Chateau, Four Winds, 2023-2025 Coleman, Echelon, Freedom Elite, Geneva, Outlaw, Quantum, Vegas, 2025 Eddie Bauer, Freedom Traveler, Pasadena, and 2024-2025 Magnitude motorhomes. The slide-Out room can be deployed without the parking brake engaged, allowing the room to extend while the vehicle is in motion.
Risk: A slide-Out room that extends unexpectedly increases the risk of a crash.
Fix: Dealers will replace the park brake harness, free of charge. Owner notification letters were mailed April 28, 2025. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000325.
Equipment:recreational Vehicle/Trailer 2022-08-10 · campaign 22V611000 · 262 vehicles
Defect: Thor Motor Coach (TMC) is recalling certain 2022-2023 Four Winds, Quantum, Chateau, and 2022 Geneva motorhomes. The electric retractable awning has a welded seam on the fabric that may separate, potentially allowing the awning to drop beyond normal operation.
Risk: An awning that drops or extends beyond normal operation can increase the risk of injury.
Fix: Dealer will repair or replace the awnings, free of charge. Owner notification letters were mailed by September 16, 2022. Owners may contact TMC customer service at 1-877-855-2867.
Service bulletins (1)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Structure 2022-09-22 · TSB 22-12 · Service Bulletin/Repair Instructions
wood stiles are delaminating due to the vendor changing the glue used for the wrapped stiles.
What owners report
2026-06-30 · Unknown Or Other“i bought this rv as a new 2023 thor quantum mb24 . after a recall performed by mercedez of pleasanton , california ( after the vin no. was punched on their computer ) , it shows as a 2021 model year . how would i know if i was sold a pre - owned motor vehicle or a new one ? it has 2000+ miles in accordance to recvan @ fremont , california , was acq…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.