2018 Thor Motor Coach Four Winds problems, complaints & recalls
Most-reported problem areas: Wheels (2) · Suspension (1) · Fuel System, Gasoline:delivery:fuel Pump (1)
Safety recalls (5)
Visibility:rearview Mirrors/Devices:interior 2019-03-27 · campaign 19V240000 · 110 vehicles
Defect: Thor Motor Coach (TMC) is recalling certain 2018 Thor Chateau and Four Winds motorhomes and 2019-2020 Magnitude and Omni motorhomes. The backup camera displays may revert back to the factory default settings which may cause the camera image to be reversed.
Risk: If the monitor displays the image in reverse, the driver may unintentionally turn in the wrong direction, increasing the risk of crash.
Fix: TMC will notify owners, and dealers will install a harness to install that will prevent the image from inverting, free of charge. The recall began April 30, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000168.
Equipment:recreational Vehicle/Trailer:lpg Systems:lines And Fittings 2018-10-19 · campaign 18V741000 · 1,384 vehicles
Defect: Thor Motor Coach (TMC) is recalling certain 2018-2019 Thor Four Winds, Chateau, and Freedom Elite vehicles. The liquid propane (LP) hose may not have adequate space between the floor and the metal plate on the refrigerator, causing damage to the hose and possibly creating a propane leak.
Risk: A propane leak can increase the risk of a fire.
Fix: TMC will notify owners, and dealers will remove a portion of the refrigerator base plate to provide additional clearance for the LP hose, free of charge. The recall began December 11, 2018. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000162.
Equipment 2017-11-22 · campaign 17V758000 · 110,400 vehicles
Defect: 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: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17V758-5764.pdf. 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
Risk: In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.
Fix: 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.
Equipment:other:labels 2017-10-09 · campaign 17V634000 · 507 vehicles
Defect: Thor Motor Coach (TMC) is recalling certain 2017-2018 Challenger, Axis, Chateau, Four Winds, Hurricane, Miramar, Palazzo, Tuscany, Vegas, Venetian, and Windsport motorhomes. The cargo carrying capacity (CCC) label on these vehicles may indicate an incorrect water capacity for the water heater/fresh water tank. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 120, "Tires and Rims for Motor vehicles over 10,000lbs."
Risk: If the water capacity information is incorrect and it causes the vehicle to be over loaded, there would be an increased risk of a crash.
Fix: TMC will notify owners and send them corrected labels, free of charge. The recall began on November 15, 2017. Owners may contact TMC customer service at 1-877-500-1020. TMC's number for this recall is RC000147.
Equipment:recreational Vehicle/Trailer:lpg Systems:lines And Fittings 2017-08-24 · campaign 17V522000 · 860 vehicles
Defect: Thor Motor Coach (TMC) is recalling certain 2018 Four Winds, Chateau and Freedom Elite recreational vehicles. The liquid propane (LP) hose may sag and become pinched between the frame and the leaf spring u-bolts, potentially damaging the hose and causing a propane leak.
Risk: A propane fuel leak may increase the risk of a fire.
Fix: TMC will notify owners, and dealers will inspect the LP hose routing and install additional P-clamps or relocate the P-clamps to properly secure the hose, free of charge. The recall began on October 13, 2017. Owners may contact TMC customer service at 1-877-500-1020. TMC's number for this recall is RC000144.
Service bulletins (4)
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.
Electrical System 2021-03-25 · RC000218SADealer · Service Bulletin/Repair Instructions
us. on certain model year 2012â 2018 5-ton sprinter vehicles that were upfitted into campers or recreational vehicles (ârvsâ), one or more of the rear-wheel speed sensors may experience an electrical failure, which potentially could lead to a disablement of the electronic stability control
Steering 2021-01-18 · RC000210SAOwner · Service Bulletin/Repair Instructions
model/model year to add: 2017 chateau 2017-2018 chateau citation 2017 four winds 2017-2019 gemini 2017-2019 quantum 2017-2019 four winds siesta 2017-2019 synergy 2018 compass 2018 freedom elite 2021 sanctuary 2021tranquility please note- due to being unaware that chassis recall notifications we prov
Equipment 2019-12-05 · LTR 120519 · Service Bulletin/Repair Instructions
this letter stated that there were no service bulletins or technical service bulletins issued for the month of november, 2019.
Equipment:other:owners/Service/Other Manual 2017-11-03 · LTR 110317 · Service Bulletin/Repair Instructions
this letter stated that there was one (1) service notification issued for the month of october, 2017.
What owners report
2025-09-12 · Fuel System, Gasoline:delivery:fuel Pump · 70,000 mi“the contact owns a 2018 thor motor coach four winds motorhome constructed on a 2017 ford e-350 chassis and hauling a 17-foot cargo trailer. the contact stated that while traveling to another state in the mountains, the rv suddenly began to buck and lost motive power and stalled on several occasions. the contact was able to pull over safely. there w…”
2021-10-11 · Wheels“twice! wheel rim developed a hairline crack in the weld adjacent to the valve stem. 2-times, different rims - both on inside dually rear - one left and one right side. the first happened on our first long trip in 2019. the second time was on the next long trip of 2021. internet forums are showing that this is a rather "common" issue! plus, me…”
2018-07-02 · Suspension“incorrect weight distribution. back of vichicle to low,which causes front to be to high. unable to maintain lane when beng passed by a big rig or side gust of wind. vichicle very unstable,should not have been sold in that condition.…”
2017-10-20 · Wheels“once you go above 40 mph the stearing wheel starts to shimmy and the front end vibrates. it takes all your effort to hold it on the road until you reach the speed of 70 mph or more. this happens while traveling on major highways like i95.…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.