2017 Thor Motor Coach Miramar problems: recalls, complaints and what to check
NHTSA has 3 recalls and 8 owner complaints on file for the 2017 Thor Motor Coach Miramar. 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, 5 complaints
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, 3 complaints
Recall 18V812000 (16/11/2018): VISIBILITY
Thor Motor Coach (TMC) is recalling certain 2017-2019 Thor Challenger, Miramar, and Outlaw motorhomes. The motorized windshield roller shade at the driver's seating position may unroll without warning while driving.
Fix: TMC will notify owners, and dealers will install a fastener to ensure the motor will not allow the shade to roll down during while driving. The recall began January 10, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000165.
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: 6 complaints
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
Motorhome chassis: 3 complaints
What a tech checks: The chassis (Ford, Freightliner, Mercedes, Ram) is serviced by the chassis maker's dealer, not the RV shop. RV techs handle the house, not the drivetrain. Before you buy: Chassis recalls are fixed free at the chassis maker's dealer.
What owners reported to NHTSA
10/12/2021, STRUCTURE: We had a cargo door skin failure while driving on I20 in Dallas on a windy day, 2/1/21. We have a 2017 Miramar which is the cousin of the Challenger. It peeled off while driving and went airborne behind us. We were stunned as we heard the peeling off and saw the launch of the cargo door skin. It broke the lock from the door frame as well. Miraculously, it landed on the side of the highway while motorists were swervin
08/19/2019, POWER TRAIN,STRUCTURE: TL* THE CONTACT OWNS A 2017 THOR MIRAMAR. THE CONTACT STATED THAT THE GEAR SHIFT SELECTOR ERRONEOUSLY INDICATED THAT THE VEHICLE WAS IN A GEAR. THE CONTACT WAS UNCERTAIN AS TO WHICH GEAR THE VEHICLE WAS ACTUALLY IN AT THE TIME. ADDITIONALLY, THERE WAS MOLD CONTAMINATION DUE TO A LEAK IN THE ROOF, SIDE WALLS, AND CEILING THAT CAUSED WATER TO LEAK ONTO THE FLOOR. AFTER SEVERAL ATTEMPTS TO HAVE THE RV REPAIRED AT LA MES
07/31/2019, STRUCTURE: TL* THE CONTACT OWNS A 2017 THOR MIRAMAR 34.4. WHILE DRIVING 60 MPH, THE ALUMINUM SKIN ON THE COMPARTMENT DOOR ATTACHED TO THE OUTDOOR KITCHEN DETACHED FROM THE VEHICLE, FOLLOWED BY THE ACTUAL DOOR. THE CONTACT PULLED THE RV OVER, DROVE TO A SERVICE STATION, AND USED DUCT TAPE TO COVER THE PARTS OF THE VEHICLE THAT DETACHED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND INFORMED THE CONTACT THAT THE VEHICLE'S WARR
07/26/2024, EQUIPMENT,UNKNOWN OR OTHER: There is a electric privacy shade inside my RV for the windshield. My motor failed in the down position. I tried to get a replacement motor but none is available. I emailed the manufacturer of the shade and they gave me a replacement part number, this is where the safety issue comes in. The original motor has two memories built into it, four wires to control it. With the key off, while you are camping, you can press
06/16/2020, STRUCTURE: I WAS DRIVING SOUTHBOUND ON LOOP 303 ARIZONA AT APPROX 60 MPH IN THE MOTORHOME WHEN VEHICLES PASSING STARTED MAKING HAND GESTURES AS IF SOMETHING WAS WRONG WITH MOTORHOME. I PULLED THE MOTORHOME ONTO THE SHOULDER OF THE ROADWAY AND UPON EXITING AND BEGINNING TO CHECK THE OUTSIDE OF THE MOTORHOME I FOUND ON THE DRIVER SIDE ONE OF CARGO DOORS OUTER SKIN HAD SEPARATED FROM THE CARGO DOOR BACK TO THE HATCH HANDLE WHIC
06/04/2019, POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE: TRANSMISSION DOWNSHIFTED UNEXPECTEDLY CAUSING ENGINE TO REV BEYOND 4K RPMS RESULTING IN DRIVER ALMOST LOSING CONTROL. THE ONLY WAY TO STOP IT WAS TO PUSH THE GAS PEDAL DOWN WHICH INCREASED THE RPMS EVEN MORE AND ADDING TO CONTROL ISSUE. THIS OCCURRED MANY TIMES ON HILLS WITH OR WITHOUT CRUISE CONTROL. CAUSED PANIC IN THE VEHICLE BY PASSENGERS WHO THOUGHT THE ENGINE WAS GOING TO EXPLODE AND ALSO THAT THE BRAKES HAD FA
Looking at a 2017 Thor Motor Coach Miramar?
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.