2019 Thor Motor Coach Ace

Routine

Owners filed 2 complaints about this vehicle with federal regulators, most often about the electrical system. No safety recall has been issued.

What fails
ComponentReportsCrashesFiresInjuries
Electrical System2
000

What owners reported

Newest filings
Electrical System
Filed Dec 18, 201919,000 milesNM

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

Electrical System
Filed Dec 17, 201919,000 milesNM

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.

2 of 2 complaints, reproduced as filed.

Across model years

Worst on record: 2016
YearComplaintsRecallsFiresDeathsAssessment
20231000Routine
20223100Routine
20213100Routine
20200100Routine
2019 — this page2000Routine
20185300Routine
20173400Routine
20167500Routine
20155410Routine
20143400Routine
20133420Routine
20121300Routine
20111210Routine

Compare every Ace year →

Reading this record

No unusual pattern of severe incidents in the complaint record.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Most recent recall on file: none. Source: NHTSA Office of Defects Investigation.