RoadVitals

2019 Thor Motor Coach Ace Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
2
Latest Dec 18, 2019
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
0
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
0
Reports on file since Dec 17, 2019

What this page shows

Our database holds 2 NHTSA owner-reported complaints for the 2019 Thor Motor Coach Ace. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–2 of 2

ElectricalFuel system
Filed Dec 18, 2019

TWO OF THE FOUR WELDS ON THE MOUNTING BRACKETS HAVE BROKEN AND ARE COMPLETELY SEPARATED .THE TANK CAN ACTUALLY SWAY A FEW DEGREES. VEHICLE IS UNSAFE TO MOVE AS TANK IS COMPLETELY FULL. WIRES HAVE BEEN ROUTED BETWEEN AND THROUGH THE BRACKETS MULTIPLYING THE DANGER AND PROBLEM. THIS SITUATION OF ROUTING AND SUSPENDING WIRES IS COVERED IN ANOTHER ISSUE NHTSA #11289727. THIS TYPE OF SAFETY PROBLEM SEEMS ENDEMIC OF THIS MOTORHOME AND IT'S CONSTRUCTION. THIS STRETCHES CREDIBILITY TO THINK THIS IS A SINGLE UNIT ISSUE. IT IS IMPOSSIBLE TO KNOW WHEN THIS OCCURRED. THE TANK IS MANUFACTURED BY MANCHESTER TANKS AND CARRIES SERIAL #1898870 *DT*JB *DT *TP *DT MANUFACTURE HAS BEEN CONTACTED AND TANK HAS BEEN REPLACED.*JB

NHTSA ID
11289817
Incident
Jul 15, 2019
Mileage
19,000 mi
ElectricalEngineExterior lighting
Filed Dec 17, 2019

SUBJECT VEHICLE HAD BUNDLED WIRES SIZE APPROX. #2 DOWN TO #10, WITH A MINIMUM OF 6 WIRES IN THE BUNDLE. WIRES MOSTLY ORIGINATED FROM BATTERY COMPARTMENT WHICH CONTAINS HOUSE BATTERIES AND WIRES FROM ENGINE BATTERY. WIRE BUNDLE WAS IN NO WAY BRACKETED OR HUNG FROM CLAMPS BUT WAS DRAPED OVER/ON THE DRIVE SHAFT NEAR A U JOINT. CONSTANT RUBBING EVENTUALLY WORE THROUGH THE WIRE INSULATION OF THE HEAVIEST WIRES (DC DIRECT FROM BATTERIES) AND SHORTED OUT AND CAUSED THE REMAINING WIRES TO SHORT AND BARE THEMSELVES POSSIBLY THROUGH FIRE. AT THE TIME THIS OCCURRED THE VEHICLE WAS BELIEVED TO BE IN MOTION AND THE WIND MOST LIKELY PREVENTED A CONTINUAL FIRE AS THE VEHICLE WAS TRAVELING ON THE INTERSTATE. CURRENT FROM THE HOUSE BATTERIES WOULD HAVE BEEN SUPPLEMENTED BY CURRENT FROM THE ENGINE ALTERNATOR AND BATTERY WHICH ARE ALL CONNECTED TOGETHER THOROUGH AN ISOLATION RELAY WHEN THE ENGINE IS RUNNING. NO MAJOR FIRE OCCURRED BUT SEVERAL COMPONENTS NEEDED TO BE REPLACED ALONG WITH ALL BATTERIES. DURING REPAIR A HYDRAULIC LINE WAS FOUND DRAPED ON THE CATALYTIC CONVERTER AND WAS ALMOST BURNED THROUGH. ATTACHED PHOTOS SHOW THE RESULT.

NHTSA ID
11289727
Incident
Jul 17, 2019
Mileage
19,000 mi

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.

Data sources

Data on this page last refreshed .