The 2017 Thor Motor Coach Ace has 4 NHTSA recall campaigns affecting an estimated 116,213 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 5 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.
Recall campaigns
EQUIPMENT17V7580002017-11-22110,400 affected
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,…
Consequence
In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.
Remedy
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…
EQUIPMENT17V2390002017-04-10148 affected
Defect
Thor Motor Coach (TMC) is recalling certain 2017 Ace, Hurricane, and Windsport motorhomes. The weight rating labels for the tow hitches on these vehicles indicate a 10,000lb weight capacity when the actual hitch capacity is 8,000lbs.
Consequence
If the hitch is loaded to the capacity on the label, the hitch may damage the motorhome or the hitch may disconnect from the tow vehicle, increasing the risk of the crash.
Remedy
TMC will notify owners and provide them corrected labels, free of charge. The recall began on May 22, 2017. Owner's may contact TMC customer service at 1-877-500-1020.
EQUIPMENT16V5710002016-08-025,633 affected
Defect
Thor Motor Coach (Thor) is recalling certain model year 2012-2017 Ace, 2013 Citation, 2012-2013 Siesta and 2017 Four Winds and Road Bear Rental motorhomes. The affected vehicles are equipped with shower curtains that may not adequately resist catching fire in the presence of an ignition source. As such, these…
Consequence
A flammable shower curtain may further fuel a fire, increasing the risk of injury.
Remedy
Thor will notify owners, and dealers will replace the shower curtains with curtains made with fire retardant, free of charge. The recall began on September 15, 2016. Owners may contact Thor customer service at 1-877-500-1020. Thor's number for this recall is RC000121.
SEAT BELTS16V2600002016-04-2932 affected
Defect
Thor Motor Coach (TMC) is recalling certain model year 2017 ACE and Road Bear Rental motorhomes manufactured February 11, 2016, to March 9, 2016. The seat belt anchorages located in the slide out section may not meet the specified strength requirements, allowing them to pull loose during a crash. As such, these…
Consequence
If the seat belt anchorages pull loose in a crash, they will not properly restrain the occupant, increasing the risk of injury.
Remedy
TMC will notify owners, and dealers will install reinforcement brackets, and plates, free of charge. The recall began on May 27, 2016. Owners may contact TMC customer service at 1-877-500-1020.
Complaints by component
ELECTRICAL SYSTEM
1
ELECTRICAL SYSTEM:WIRING
1
LATCHES/LOCKS/LINKAGES:DOORS:LATCH
1
STRUCTURE:BODY
1
TIRES
1
Total complaints5
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Tl* the contact owns a 2016 ford f-53. The contact stated that the entry door latch mechanism failed to lock the rv door. The contact was unable to enter the vehicle. The vehicle was not taken to a dealer or independent mechanic for diagnostic testing. The vehicle was repaired. The manufacturer…”
“Tl* the contact owns a 2016 ford f-53. The contact stated that the entry door latch mechanism failed to lock the rv door. The contact was unable to enter the vehicle. The vehicle was not taken to a dealer or independent mechanic for diagnostic testing. The vehicle was repaired. The manufacturer…”
“Tl* the contact owns a 2017 thor ace rv equipped with goodyear g6t0rv tires, size: 245/17/r19.5 (na). While driving approximately 55 mph and towing a trailer with a compact vehicle inside, the rear passenger side inside dual tire suddenly experienced a blowout. During the tire blowout, wires…”
“Tl* the contact owns a 2017 thor ace rv equipped with goodyear g6t0rv tires, size: 245/17/r19.5 (na). While driving approximately 55 mph and towing a trailer with a compact vehicle inside, the rear passenger side inside dual tire suddenly experienced a blowout. During the tire blowout, wires…”
“The electrical wiring within the motor coach is not to nfpa's national electrical code nor is it wired to thor's own factory specifications. In addition, the appliances within the coach are not wired to the specifications of the appliance manufacturer. Our motor coach experienced a shorted wire in…”
Defect investigations
InvestigationPE20021 Opened 2020-11-23 · closed 2024-12-13
Trimark 060-1650 Door Latch Failures
On November 23, 2020, the Office of Defects Investigation (ODI) opened PE20021 to investigate allegations of inoperative Trimark THP 060-1650 door lock/latches originally equipped on model years (MY) 2015-2017 Class A and Class C motorhomes.ODI received forty-six Vehicle Owner’s Questionnaires (VOQs) describing…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2017 Thor Motor Coach Ace as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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