2018 Thor Motor Coach Windsport problems: recalls, complaints and what to check
NHTSA has 4 recalls and 6 owner complaints on file for the 2018 Thor Motor Coach Windsport, including 1 fire. Here is what they are, what a technician checks for each kind of fault, and how to look one over before you buy it.
Other: 3 recalls, 1 complaint
Recall 23V121000 (24/02/2023): EQUIPMENT:RECREATIONAL VEHICLE/TRAILER
Thor Motor Coach (TMC) is recalling certain 2018-2021 Hurricane and Windsport recreational vehicles. The driver and front passenger overhead cabinets may detach.
Fix: Dealers will inspect and reinstall the overhead cabinets, if necessary, free of charge. Owner notification letters were mailed March 15, 2023. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000290.
Recall 17V634000 (09/10/2017): EQUIPMENT:OTHER:LABELS
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."
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.
Recall 17V758000 (22/11/2017): EQUIPMENT
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 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: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17E062-5427.pdf
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.
Doors, windows, steps and lights: 1 recall, 2 complaints
Recall 17V692000 (02/11/2017): EXTERIOR LIGHTING
Thor Motor Coach (TMC) is recalling certain 2018 Ace, Axis, Hurricane, Windsport, and Vegas motorhomes. The wiring for the trailer lights may have been inserted into the wrong locations of the trailer lighting socket causing the trailer lights to not function properly. 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."
Fix: Thor has notified owners and dealers will re-wire a new connector, free of charge. The recall began on November 21, 2017. Owners may contact TMC customer service at 1-877-500-1020. TMC's number for this recall is RC000148.
What a tech checks: Mostly adjustments and wear: steps that stop halfway on a bad switch, doors out of alignment after a slide shifted, exterior lights with a corroded ground. Before you buy: Every door, lock, window and light.
Structure, roof and leaks: 1 complaint
What a tech checks: Roof sealant, seams, window and slide seals, and the frame. Water intrusion shows up as delamination, soft floors and stained ceilings months after the leak started. Before you buy: Press the sidewalls and walk the floor; look at every seam and seal.
Roof, leaks and body lessons · Seals and leaks guide
12 volt and 120 volt electrical: 1 complaint
What a tech checks: Voltage drop, grounds, the converter and the transfer switch. Melted shore-cord plugs and bad grounds cause most of the electrical complaints techs actually see. Before you buy: Battery at rest, converter output on shore power, GFCI test, every outlet.
12 V electrical lessons · 120 V and generator lessons · Wiring diagrams
Axles, brakes, suspension and hitch: 1 complaint
What a tech checks: Bearings, brake magnets, worn shackle bolts and bent axles. A trailer that wears tires on the inside edge or pulls to one side usually has an axle or suspension problem. Before you buy: Bolts tight, springs not flat, brakes apply with the breakaway pin pulled.
Chassis and towing lessons · Trailer guide
What owners reported to NHTSA
08/31/2020, UNKNOWN OR OTHER: THERE IS A CABINET MOUNTED ON THE CEILING THAT IS ABOVE THE DRIVERS AND PASSENGERS SIDE THAT HAS NOT BEEN PROPERLY SECURED. THERE ARE COMPLAINTS AND PICTURES FOUND ON THE FACEBOOK GROUP FOR THOR OWNERS. I DECIDED TO CHECK MINE AND IT WAS LOOSE AND WHEN I OPENED THE DOORS ALL OF THE SCREWS LOCATED ON THE FRONT SIDE HAVE BEEN PULLED DOWN FROM THE CEILING. I HAVE CONTACTED THOR BY EMAIL AND EXPLAINED TO THEM THAT THI
08/26/2024, STRUCTURE: The contact owns a 2018 Thor Motor Coach Wind sport. The contact stated that while the RV was parked, the contact became aware that the front chassis was fractured. The RV was taken to the dealer where the RV was diagnosed, and it was determined that the front chassis had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximate
05/20/2019, EXTERIOR LIGHTING: HEADLIGHTS NOT SECURELY FASTENED AND NOT AIMED APPROPRIATELY. TEN FEET AHEAD OF VEHICLE ON LOW BEAMS.
03/31/2021, ELECTRICAL SYSTEM: THE RADIO (AND CAMERA SYSTEM) HAD BEEN ACTING STRANGELY AND MY CIGARETTE OUTLETS STOPPED WORKING WHILE I WAS DRIVING. I STOPPED FOR THE NIGHT AND HAD PARKED AND CONNECTED THE RV TO THE CAMPGROUND POWER. ABOUT 10 MINUTES AFTER PARKING AND HOOKING UP I STARTED TROUBLE SHOOTING THE LOSS OF POWER TO THE CIGARETTE LIGHTERS. I CHECKED THE FUSE AND DID NOT SEE ANY VISIBLE FAILURE OF THE FUSE BUT DECIDED TO TRY A BRAND NE
02/04/2020, SUSPENSION: AXEL HANGERS ON THE PASSENGER SIDE OF MOTOR HOME WERE LOOSE, FOUND THAT THIS IS A PROBLEM WITH THE MOTOR-HOMES VERY UNSAFE WHEN TOWING A CAR OR TRAILER. ON HIGHWAY TRAVELING HAD TO STOP AND GET IT TORQUED TO CONTINUE. *DT*JB
01/15/2026, VISIBILITY: The contact owns a 2018 Thor Motor Coach Windsport. The contact stated that on several occasions while driving in cold temperatures, the windshield immediately became foggy. The defroster was activated but only the center vents operated as intended, while the far left and right vents failed to work as intended. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that the OE system
Looking at a 2018 Thor Motor Coach Windsport?
The Buyer's Check walks you through it on your phone: what to ask, the outside walk-around, water damage, every system on every power source, with the recalls above built in. You get a report that says what's a walk-away and what to negotiate on.
Checked against NHTSA 2026-10-23. Recall repairs are free at an authorized dealer. Complaints are owner reports to NHTSA and are not verified.