2017 Thor Motor Coach Miramar problems, complaints & recalls
Most-reported problem areas: Structure:body (5) · Visibility/Wiper (1) · Vehicle Speed Control (1)
Safety recalls (4)
Structure:body:door 2021-10-29 · campaign 21V845000 · 424 vehicles
Defect: Thor Motor Coach (TMC) is recalling certain 2017 Challenger, Miramar, and Outlaw motorhomes. The external compartment outer door skin may separate from the motorhome during transit.
Risk: A door skin that separates during transit can become a road hazard, increasing the risk of a crash.
Fix: Dealers will inspect the compartment door skin and replace the door as necessary, free of charge. Owner notification letters were mailed December 28, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000247.
Visibility 2018-11-16 · campaign 18V812000 · 1,485 vehicles
Defect: 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.
Risk: If the windshield roller shade unrolls while driving, it could block the driver's visibility, increasing the risk of a crash.
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.
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.
Service bulletins (2)
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.
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
2024-07-26 · 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 …”
2023-01-28 · Structure:body“the adhesive bond between the panes of glass on the driver’s side frameless window has failed. approximately 80% of the adhesive has failed allowing the front of the glass to detach. i not only fear it will now fall out while driving, but it is also constantly fogged up and hard to see my mirror. this is a large piece of glass. thor (the manufac…”
2021-10-12 · Structure:body“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. miraculou…”
2020-06-16 · Structure:body · 7,200 mi“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 oute…”
2019-08-19 · Structure:body · 1,500 mi“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 on…”
2019-07-31 · Structure:body · 15,202 mi“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 no…”
2019-06-04 · Vehicle Speed Control · 6,000 mi“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 t…”
2018-02-18 · Visibility/Wiper · 1,400 mi“driver seat unstable while driving. wipers do not work properly. propane heater severely over heats under cabinet that is right next to oven/stove causing a fire hazard. hood of vehicle and side lockers open unexpectedly and locking mechanisms do not work properly both while stationary and in motion. the consumer stated the flooring, leveling …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.