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Thor Motor Coach Quantum recalls

There are 19 safety recalls on record for the Thor Motor Coach Quantum, covering 124,878 vehicles in total across all the models in each campaign. Newest first.

Thor Motor Coach Quantum recalls by model year

2026 12025 22024 12023 22022 22021 42020 72019 32018 22017 32016 1

All recalls

Equipment: recreational vehicle/trailer: lpg systems: lines and fittingsReported October 17, 2025 · 527 vehicles affected
What is wrong
Thor Motor Coach (TMC) is recalling certain 2026 Geneva, 2025-2026 Quantum, Four Winds, Pasadena, Eddie Bauer, Chateau, Freedom Elite, and Coleman recreational vehicles. A P-clamp may not have been installed, allowing the Liquid Propane (LP) generator hose to contact the exhaust.
Risk
A LP hose that contacts the generator exhaust increases the risk of a fire.
Remedy
Dealers will install a P-clamp to secure the LP hose, free of chare. Owner notification letters were mailed December 15, 2025. Owners may contact TMC customer service at 1‑877‑855‑2867. TMC's number for this recall is RC000335.

Recall number 25V709000 · Recall details

Equipment: recreational vehicle/trailerReported March 20, 2025 · 4,251 vehicles affected
What is wrong
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.
Remedy
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.

Recall number 25V171000 · Recall details

Equipment: recreational vehicle/trailerReported August 10, 2022 · 262 vehicles affected
What is wrong
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.
Remedy
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.

Recall number 22V611000 · Recall details

Equipment: recreational vehicle/trailer: lpg systems: lines and fittingsReported May 5, 2022 · 3,374 vehicles affected
What is wrong
Thor Motor Coach (TMC) is recalling certain 2022 Scope, Tellaro, Sanctuary, Delano, Sequence, Tranquility, Rize, Synergy, Quantum, Magnitude, Geneva, Compass, Chateau, Four Winds, and 2022-2023 Tiburon, and Gemini vehicles. The quick disconnect fittings in the LP gas system may be cracked, causing a gas leak.
Risk
A gas leak in the presence of an ignition source can increase the risk of a fire.
Remedy
Dealers will replace the quick disconnect fittings, free of charge. Owner notification letters were mailed June 27, 2022. Owners may contact TMC customer service at 1‑877‑855‑2867.

Recall number 22V300000 · Recall details

Electrical systemReported November 17, 2020 · 1,074 vehicles affected
What is wrong
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.

Recall number 20V711000 · Recall details

SeatsReported July 29, 2020 · 463 vehicles affected
What is wrong
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.

Recall number 20V444000 · Recall details

Electrical system: 12v/24v/48v battery: cablesReported July 20, 2020 · 63 vehicles affected
What is wrong
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.

Recall number 20V419000 · Recall details

Structure: frame and members: underbody shieldsReported May 28, 2020 · 566 vehicles affected
What is wrong
Thor Motor Coach (TMC) is recalling certain 2020 Daybreak, Four Winds, Delano, Gemini, Quantum, Tiburon, Chateau Citation, Compass, Chateau, Siesta, Freedom Elite, and Synergy motorhomes built on Mercedes Benz Sprinter chassis [platform 907 (VS30)]. The rear part of the fender liner on the front axle may contact and chafe the brake hose, possibly resulting in a loss of brake fluid.
Risk
If the brake fluid leaks, this may extend the braking distance, increasing the risk of a crash.
Remedy
TMC will notify owners, and an authorized Mercedes-Benz dealer will inspect the brake hoses for chafing and replacement if necessary. The fender liner will also be altered to permit more clearance. All repairs will be performed free of charge. This recall began June 25, 2020. Owners may contact TMC customer service at 1‑877‑855‑2867. TMC's number for this recall is RC000191.

Recall number 20V312000 · Recall details

Equipment: other: owners/service/other manualReported May 27, 2020 · 566 vehicles affected
What is wrong
Thor Motor Coach (TMC) is recalling certain 2020 Daybreak, Four Winds, Delano, Gemini, Quantum, Tiburon, Chateau Citation, Compass, Chateau, Siesta, Freedom Elite, and Synergy motorhomes built on Mercedes-Benz Sprinter chassis [platform 907 (VS30)] equipped with automatic transmissions. The owner's manual does not correctly specify the certain conditions under which the automatic parking function (Auto-P) operates.
Risk
If a customer were to rely on the Auto-P function as described in the Operator's Manual, the possibility of a vehicle rollaway or unintended vehicle movement cannot be ruled out which could increase the risk of a crash.
Remedy
TMC will notify owners, and a Mercedes Benz dealer will supplement the Operator's Manual with a correct description of the Auto-P function equipped in the vehicle. This recall began June 25, 2020. Owners may contact TMC customer service at 1‑877‑855‑2867. TMC's number for this recall is RC000190.

Recall number 20V308000 · Recall details

Electronic stability control (ESC)Reported May 27, 2020 · 34 vehicles affected
What is wrong
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.

Recall number 20V303000 · Recall details

Power train: driveline: differential unitReported March 25, 2020 · 22 vehicles affected
What is wrong
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.

Recall number 20V178000 · Recall details

Electrical system: instrument cluster/panelReported October 28, 2019 · 378 vehicles affected
What is wrong
Thor Motor Coach (TMC) is recalling certain 2019-2020 Chateau 22B, 22E, 23U, 24F, 25V, and 28A, Daybreak 22GO, Four Winds 22B, 22E, 24F, 26B and 28A, Freedom Elite 22HE and 2020 Quantum GR22, and SE22 motorhomes. The seatbelt-unfastened warning light will not illuminate for approximately five seconds after the ignition is moved to the "on" or "start" position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
Risk
Without the seatbelt warning reminder, the driver may forget to fasten the seatbelt, increasing the risk of injury in the event of a crash.
Remedy
GM will notify TMC owners, and dealers will reprogram the instrument panel cluster, free of charge. The recall began October 3, 2019. Owners may contact Chevrolet customer service at 1‑800‑630‑2438, GMC customer service at 1‑800‑462‑8782 or TMC customer service at 1‑877‑855‑2867. TMC's number for this recall is RC000177.

Recall number 19V775000 · Recall details

Equipment: other: labelsReported October 8, 2019 · 101 vehicles affected
What is wrong
Thor Motor Coach (TMC) is recalling certain 2014 Tuscany 36M, 40E, 2015 Citation 24SL, Siesta 24SL, Axis 25.1 and Vegas 25.1, 2016 Four Winds 31E, 31W, 35SF, Chateau 31E, 31W, Synergy SD24, Citation 24SL, 24SS and Siesta 24SL, 24SS, 2017 Four Winds 31E, 31W, Chateau 31E, 35SD, Citation 24SS and Siesta 24SS, 2018 Citation 24SS and Siesta 24SS, 2019 Quantum CR24, Four Winds 24BL, Citation 24MB and Siesta 24MB and 2020 Quantum CR24, Citation 24MB, Siesta 24MB, Chateau 24BL and Synergy 24MB vehicles. The Occupant and Cargo Carrying Capacity (OCCC) label has the incorrect carrying capacity listed, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 120, "Wheels and Rims - Other Than Passenger Cars."
Risk
An inadvertently overloaded motorhome due to an incorrect carrying capacity can increase the risk of a crash.
Remedy
TMC will notify owners, and dealers will issue new OCCC labels with correct seating positions and weight calculations, free of charge. The recall began November 21, 2019. Owners may contact TMC customer service at 1‑877‑855‑2867. TMC's number for this recall is RC000176.

Recall number 19V714000 · Recall details

Electrical system: 12v/24v/48v battery: cablesReported August 20, 2019 · 1,941 vehicles affected
What is wrong
Thor Motor Coach (TMC) is recalling certain 2020 Chateau, Daybreak, Four Winds, Freedom Elite, Majestic, Outlaw and Quantum motorhomes. The battery cables may loosen on the battery isolation manager (BIM) or battery isolation relay (BIR), causing premature BIN/BIR failure or electrical arcing.
Risk
The loose connection can causing arcing, increasing the risk of a fire.
Remedy
TMC will notify owners, and dealers will install lock washers to properly secure the battery cable to the BIM/BIR. If the cable was loose, dealers will also replace the BIM/BIR, free of charge. The recall began October 10, 2019. Owners may contact TMC customer service at 1‑877‑855‑2867. TMC's number for this recall is RC000172.

Recall number 19V609000 · Recall details

Exterior lightingReported March 20, 2019 · 97 vehicles affected
What is wrong
Thor Motor Coach (TMC) is recalling certain 2018-2019 Quantum RW28 motorhomes. The vehicles may be missing the mid-ship marker lights. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
Risk
Without mid-ship marker lights, other drivers may underestimate the length of the vehicle, increasing the risk of crash.
Remedy
TMC will notify owners, and dealers will inspect and install mid-ship marker lights, as needed, free of charge. The recall began on April 25, 2019. Owners may contact TMC customer service at 1‑877‑855‑2867. TMC's number for this recall is RC000167.

Recall number 19V215000 · Recall details

Suspension: rear: springs: leaf spring assembly: u-bolt, leaf spring to axleReported June 8, 2018 · 691 vehicles affected
What is wrong
Thor Motor Coach (TMC) is recalling certain 2019 Thor Four Winds, Chateau, Freedom Elite, Majestic, Outlaw, Quantum and Vegas motorhomes built on modified Ford E-450 chassis. The U-bolts on the rear axle that hold the leaf spring and rear axle together may have been insufficiently tightened.
Risk
The loose U-bolts may further loosen or break allowing the axle to separate and cause a loss of control, increasing the risk of a crash.
Remedy
TMC has notified owners, and dealers will tighten U-bolts to the proper torque, free of charge. The recall began on June 22, 2018. Owners may contact TMC customer service at 1‑877‑855‑2867. TMC's number for this recall is RC000156.

Recall number 18V385000 · Recall details

EquipmentReported November 22, 2017 · 110,400 vehicles affected
What is wrong
Thor Motor Coach (Thor) is recalling various 2003-2018 recreational vehicles, equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. See a list of the affected trailer models at: These extinguishers may become clogged, preventing the extinguisher from discharging as expected or excessive force may be needed to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit:
Risk
In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.
Remedy
Thor will notify owners, instructing them to contact Kidde for a replacement fire extinguisher, free of charge. The recall began on January 15, 2018. Owners may contact Thor customer service at 1‑877‑500‑1020, or Kidde customer service toll-free at 1‑855‑262‑3540, or online at www.kidde.com and click on "Product Safety Recall" for more information.

Recall number 17V758000 · Recall details

Electrical systemReported April 20, 2017 · 36 vehicles affected
What is wrong
Thor Motor Coach (TMC) is recalling certain 2017 Quantum KM24 motorhomes. The power supply wire for the steps was incorrectly attached to a 50 amp circuit breaker instead of being connected to a 20 amp circuit breaker.
Risk
Should the step circuit be overloaded, the breaker may not trip as intended, increasing the risk of a fire.
Remedy
TMC will notify owners, and dealers will relocate the power wire for the steps to the correct breaker, free of charge. The recall began on June 2, 2017. Owners may contact TMC customer service at 1‑877‑500‑1020. TMC's number for this recall is RC000135.

Recall number 17V264000 · Recall details

Exterior lightingReported December 2, 2016 · 32 vehicles affected
What is wrong
Thor Motor Coach (TMC) is recalling certain model year 2017 Quantum RQ29 motorhomes manufactured June 27, 2016, to September 29, 2016. The affected vehicles may be missing a mid-ship marker light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Systems (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
Risk
If the mid-ship marker light is missing, other drivers can mistake the length of the vehicle, increasing the risk of a crash.
Remedy
TMC will notify owners, and dealers will install a mid-ship marker light if it is missing, free of charge. The recall began on January 25, 2017. Owners may contact TMC customer service at 1‑877‑500‑1020. TMC's number for this recall is RC000124.

Recall number 16V869000 · Recall details

Questions about the Thor Motor Coach Quantum recalls

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

Enter your VIN in the VIN decoder on this page to see the recalls for your exact model and year, then confirm with any dealer of the brand or the manufacturer, who can tell you whether the repair was already done on your car.

Do I have to pay for a recall repair?

No. Safety recall repairs are free at any authorized dealer of the brand, even if the car is out of warranty or you are not the first owner.

How many recalls does the Thor Motor Coach Quantum have?

19, covering equipment, electrical system and seats.

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