2018 Thor Motor Coach Vegas problems: recalls, complaints and what to check
NHTSA has 4 recalls and 4 owner complaints on file for the 2018 Thor Motor Coach Vegas. 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: 2 recalls, 1 complaint
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.
LP gas and gas appliances: 1 recall
Recall 21V441000 (10/06/2021): EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:LPG SYSTEMS:TANK ASSEMBLY
Thor Motor Coach (TMC) is recalling certain 2018-2022 Axis 25.6 and 2018-2021 Vegas 25.6 motorhomes. The heat shield between the LP tank and chassis muffler was not installed.
Fix: Dealers will install a heat shield, free of charge. Owner notification letters were mailed July 22, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000228.
What a tech checks: Regulator, lines and fittings, then the appliances: furnace, water heater, range. A proper pressure-drop leak test is the first thing a tech does on an LP complaint. Before you buy: Smell for gas with the tank open; have a shop do the leak test.
LP and furnace lessons · Furnace guide · Furnace 3D lab · Water heater 3D lab
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
What owners reported to NHTSA
11/15/2023, VISIBILITY/WIPER: Driver side wiper sweep angle does not fully clear the field of view.
05/20/2019, UNKNOWN OR OTHER: DRIVER'S SIDE WINDSHIELD WIPER DOES NOT CLEAR THE DRIVER'S FIELD OF VIEW. THE WIPER ONLY COMES TO ABOUT THE 2 O'CLOCK POSITION LEAVING A LARGE PORTION OF THE LEFT FRONT OF THE VEHICLE OBSCURED. THIS PROBLEM HAS BEEN REPORTED TO THOR MOTOR COACH BY OWNERS OF THE VEGAS AND AXIS MODEL MOTOR COACHES
02/22/2019, VISIBILITY/WIPER: DIRVER'S SIDE WINDSHIELD WIPER DOES NOT CLEAR THE DRIVER'S FIELD OF VIEW. THE WIPER STOPS AT ABOUT THE 1 O'CLOCK POSITION LEAVING A LARGE PORTION OF THE WINDSHIELD OBSCURED. THOR MOTOR COACH HAS BEEN CONTACTED ON THIS MATTER BUT HAS YET TO PROVIDE A REASONABLE FIX OR REPLY.
02/19/2022, ELECTRICAL SYSTEM: 1. Problem: main power (connect) switch doesn’t communicate It shows there is power to the coach but IT DOES NOT SHOW whether or not the main power is connected to the chassis (motor) battery. I have been stranded with a dead chassis battery because of Thor’s neglect to use a communicative power switch. Safety issue because one could be camping in an area without emergency start services because of this. 1. Thor is a
Looking at a 2018 Thor Motor Coach Vegas?
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.