2017 Thor Motor Coach Ace Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2017 Thor Motor Coach Ace, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical240.0%
- Body & structure120.0%
- Interior & seats120.0%
- Tires & wheels120.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
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 CONNECTING THE LIGHTING SYSTEM THAT WERE LOCATED IN THE WHEEL WELL WERE DAMAGED. THE FAILURE CAUSED ALL THE EXTERIOR LIGHTING TO SHUT OFF, WHICH PREVENTED THE CONTACT FROM SEEING THE ROAD AT NIGHT. THE WIRES WERE REPLACED BY THE OWNER. THE MANUFACTURER AND AN UNKNOWN DEALER WERE NOTIFIED OF THE FAILURE. THE VEHICLE AND TIRE FAILURE MILEAGE WAS 5,000.
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 THE WATER HEATER JUNCTION BOX DUE TO IMPROPER SPLICING IN AN AREA WHERE NO SPLICING SHOULD HAVE BEEN NECESSARY. THAT SAME ELECTRICAL CIRCUIT WHICH, PER THE NEC AND THOR'S FACTORY SPECIFICATIONS SHOULD HAVE BEEN ON A DEDICATED BREAKER, WAS NOT ON A DEDICATED BREAKER WHICH COULD HAVE ALLOWED THE AMPERAGE IN THE JUNCTION BOX TO EXCEED THE BREAKER'S CAPACITY AND HEAT TO THE POINT OF DISINTEGRATING THE WIRE'S INSULATION LEAVING A BARE WIRES. THIS COULD HAVE EASILY LED TO A FIRE. NOT ONLY HAS THIS RESULTED IN LOSS OF USE OF THE APPLIANCE, BUT HAS ALSO RESULTED IN COMPLETE LOSS OF FAITH THAT THE REST OF THE MOTOR HOME IS SAFE FOR HABITATION OR FOR TRAVEL ON PUBLIC ROADS. THIS IS A MATTER OF PUBLIC SAFETY AND SHOULD BE INVESTIGATED FURTHER.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
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 WAS MADE AWARE OF THE FAILURE AND DID NOT ASSIST. THE APPROXIMATE FAILURE MILEAGE WAS 31,000. *DT*JB*PM CONSUMER STATED HE HAD A FAULTY LATCH.*JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
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 WAS MADE AWARE OF THE FAILURE AND DID NOT ASSIST. THE APPROXIMATE FAILURE MILEAGE WAS 31,000. *DT*JB*PM CONSUMER STATED HE HAD A FAULTY LATCH.*JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
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 CONNECTING THE LIGHTING SYSTEM THAT WERE LOCATED IN THE WHEEL WELL WERE DAMAGED. THE FAILURE CAUSED ALL THE EXTERIOR LIGHTING TO SHUT OFF, WHICH PREVENTED THE CONTACT FROM SEEING THE ROAD AT NIGHT. THE WIRES WERE REPLACED BY THE OWNER. THE MANUFACTURER AND AN UNKNOWN DEALER WERE NOTIFIED OF THE FAILURE. THE VEHICLE AND TIRE FAILURE MILEAGE WAS 5,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .