RECALLS — MAKE · MODEL · YEAR
2021 Thor Motor Coach Four Winds recalls
11 safety recall campaigns have been filed for the 2021 Thor Motor Coach Four Winds with Transport Canada and the U.S. NHTSA. Here is what both agencies say.
- Canadian recalls
- 02
- U.S. recalls
- 09
- Total campaigns
- 11
Transport Canada recalls
02- Electrical#2020554
58 units affected
Issue: On certain travel trailers, the frame rail may not be properly supported where the draw bar is attached. As a result, the frame could bend, which could cause poor vehicle handling. Safety Risk: A sudden change in vehicle handling could increase the risk of a loss of control, and may result in a crash. Corrective Actions: Keystone will notify owners by mail and instruct you to take your travel trailer to a dealer to add reinforcement plates to the frame.
- Electrical#2020229
52 units affected
Issue: On certain motorhomes, a wire harness in the rear of the vehicle could be damaged by contact with the vehicle frame. If this happens, the engine could stall and you may not be able to restart it. This can also cause the antilock brake system (ABS) not to work properly and the roll stability control (RSC) to turn off. Note: This problem may cause the check engine light and/or ABS and traction control warning lights to turn on. Safety Risk: A sudden loss of engine power could create the risk of a crash. Additionally, a loss of ABS and/or RSC could also increase the risk of a crash. Corrective Actions: Ford will notify owners by mail and instruct you to take your motorhome to a Ford or Lincoln dealer to inspect the wire harness for damage. The dealer will apply protective tape over the area and ensure the harness is not touching nearby parts. Any damaged wires will be replaced.
Canadian data updated August 24, 2026
U.S. NHTSA recalls
09- EQUIPMENT:APPLIANCE:OVEN/STOVE/COOKTOP#20V718000
Thor Motor Coach (TMC) is recalling certain 2021 Four Winds motorhomes, equipped with Dometic 3 burner cooking stoves. The saddle valve securing bolt may be overtightened, possibly damaging the o-ring seal and causing a continuous gas leak.
Risk: A gas leak can increase the risk of a fire.
Remedy: TMC will notify owners, and dealers will install a remedy kit of gaskets, washers, thread locker bolts, and two round orange labels, free of charge. The recall began January 14, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000207.
- ELECTRICAL SYSTEM#20V711000
Thor Motor Coach (TMC) is recalling certain 2020-2021 Daybreak, Four Winds, Chateau, Freedom Elite, Quantum motorhomes built on a Chevrolet chassis. The BIM (Battery Isolation Manager)/BIR (Battery Isolation Relay) is not watertight when exposed to engine compartment heat.
Risk: Water may get into the BIM/BIR and create electrical arcing, increasing the risk of a fire.
Remedy: TMC will notify owners, and dealers will replace the BIM/BIR with a Trombetta solenoid, free of charge. The recall began January 13, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000206.
- SEAT BELTS#20V458000
Thor Motor Coach (TMC) is recalling certain 2020-2021 Daybreak 23DB, 2018-2021 Four Winds 23U, and 2018-2021 Chateau 23U motorhomes. Bolts of the wrong size were used to secure the barrel chair pedestals, allowing the pedestal to separate from the floor in the event of a crash. As such, these motorhomes fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 207, "Seating Systems" and number 210, "Seat Belt Assembly Anchorages."
Risk: If the pedestal were to separate from the floor during a crash, the seat belt anchorages may fail, increasing the risk of injury.
Remedy: TMC will notify owners, and dealers will inspect the pedestal bolt size, correcting the hardware as necessary, free of charge. This recall began September 14, 2020. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000202.
- AIR BAGS#20V444000
Thor Motor Coach (Thor) is recalling certain 2020-2021 Daybreak, Four Winds, Quantum, Delano, Tiburon, Chateau and Freedom Elite motorhomes and 2020 Gemini, Chateau Citation, Compass, Siesta, and Synergy motorhomes built on Sprinter Van chassis (platform 970 (VS30), equipped with swivel seats. The wiring harnesses for the front seats may have been routed incorrectly and could become jammed and damaged in the swivel seat frames.
Risk: If the wiring harness is damaged, the side air bag within the seat may deploy inadvertently or not deploy as designed in the event of a crash, increasing the risk of injury to vehicle occupants.
Remedy: Thor will notify owners, and Mercedes-Benz dealers will inspect the wire harness routing for both front seats and will repair the wiring and add clips or cable ties as needed, free of charge. This recall began August 13, 2020. Owners may contact Thor customer service at 1-877-855-2867 Mercedes-Benz customer service at 1-877-762-8267. Thor's number for this recall is RC000200.
- ELECTRICAL SYSTEM:WIRING#20V423000
Thor Motor Coach (TMC) is recalling certain 2019-2021 Freedom Elite, and 2021 Four Winds motorhomes. A 100amp converter breaker was incorrectly installed at the battery tray when a 70amp breaker is required, possibly resulting in the wiring connected to the breaker overheating.
Risk: Overheated wires can increase the risk of a fire.
Remedy: TMC will notify owners, and dealers will replace the converter breaker with one of the correct amperage if needed, free of charge. This recall began September 18, 2020. Owners may contact TMC customer service at 1-855-2867. TMC's number for this recall is RC000199.
- ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES#20V419000
Thor Motor Coach (TMC) is recalling certain 2021 Daybreak, Four Winds, Quantum, Chateau, and Freedom Elite motorhomes built on the 2020 Ford E-Series chassis. The battery cable may not have been properly secured within the chassis rail, which can cause it to contact the exhaust manifold and heat shield.
Risk: Battery cable contact with the exhaust manifold and heat shield can increase the risk of a fire.
Remedy: TMC will notify owners, and dealers will inspect the routing of the battery cable. If needed the cable will be re-routed and properly secured, free of charge. This recall began September 11, 2020. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000197.
- VISIBILITY:GLASS, SIDE/REAR#20V339000
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 out.
Risk: 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.
- ELECTRONIC STABILITY CONTROL (ESC)#20V303000
Thor Motor Coach (TMC) is recalling certain 2020-2021 Quantum, Chateau and Four Winds, and 2020 Vegas and Axis motorhomes built on a Ford E-series chassis. A wire harness in the rear of the vehicle may contact the vehicle frame, resulting in damage to the circuits that support the fuel pump and the anti-lock braking system (ABS).
Risk: Damage to the fuel pump circuit in the wiring harness could result in an unexpected engine stall. Damage to the ABS wiring can lead to reduction of ABS functionality and a loss of roll stability control (RSC) functionality. These scenarios increase the risk of a crash.
Remedy: TMC will notify owners, and Ford dealers will inspect the wire harness for damage. If no damage is found, dealers will apply anti-abrasion tape over the area and ensure clearance to surrounding components. If damage is found, dealers will splice in new wire and apply anti-abrasion tape over the area and ensure clearance to surrounding components. All services will be performed free of charge. The recall The recall began June 25, 2020., 2020. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000189.
- POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT#20V178000
Thor Motor Coach (TMC) is recalling certain 2020 Chateau 31W and 31WV, Quantum KW29 and LF31, Vegas 24.1 and Axis 24.1 motorhomes and 2020-2021 Four Winds 24F, 28Z, and 31E motorhomes built on a Ford chassis. The rear axle differential may have an insufficient amount of fluid, possibly resulting in a failure of the rear axle assembly and a driveshaft separation.
Risk: If the driveshaft separates, there may be a loss of drive, increasing the risk of crash. Additionally, if the parking brake is not applied, unintended vehicle movement can occur if the transmission is left in Park, increasing the risk of injury or crash.
Remedy: Ford will notify owners, and Ford or Lincoln dealers will inspect the rear axle differential fluid level and adjust it, or replace the rear axle as necessary, free of charge. The recall is began May 22, 2020. Owners may contact Ford customer service at 1-866-436-7332 or TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000188.
Does this recall apply to my vehicle?
Matched by make, model, and model year. Many recalls affect only specific VIN ranges — confirm with your dealer using your full VIN.
What to do
Recall repairs are free at a franchised dealer in both countries. To confirm a recall applies to your specific vehicle, or to book the work, contact your manufacturer or dealer with your full VIN, or use the official channel:
- NHTSA recall lookup (search by VIN) — U.S. National Highway Traffic Safety Administration
- Defects and recalls database — Transport Canada
Check a 2021 Thor Motor Coach Four Winds VIN
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