NHTSA vehicle safety data
2019 Thor Motor Coach Quantum Recalls, Ratings & Complaints
The 2019 Thor Motor Coach Quantum has 3 NHTSA recall campaigns and 0 owner complaints on file as of October 16, 2026. Recall repairs are usually free at an authorized Thor Motor Coach dealer.
NHTSA recall and complaint data for the 2019 Thor Motor Coach Quantum. Recall data is refreshed daily from NHTSA.
EQUIPMENT:OTHER:LABELS
NHTSA #19V714000Reported October 8, 2019 · Thor Motor Coach
Potentially affected: 101 vehicles
Defect description
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."
Safety consequence
An inadvertently overloaded motorhome due to an incorrect carrying capacity can increase the risk of a crash.
Manufacturer 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.
Notes
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.
EXTERIOR LIGHTING
NHTSA #19V215000Reported March 20, 2019 · Thor Motor Coach
Potentially affected: 97 vehicles
Defect description
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."
Safety consequence
Without mid-ship marker lights, other drivers may underestimate the length of the vehicle, increasing the risk of crash.
Manufacturer 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.
Notes
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.
SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE
NHTSA #18V385000Reported June 8, 2018 · Thor Motor Coach
Potentially affected: 691 vehicles
Defect description
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.
Safety consequence
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.
Manufacturer 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.
Notes
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.
Other Thor Motor Coach Quantum model years
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