RoadVitals

2023 Thor Motor Coach Four Winds 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.
1
Latest May 18, 2026
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.
1
Reports on file since May 18, 2026

What this page shows

Our database holds 1 NHTSA owner-reported complaint for the 2023 Thor Motor Coach Four Winds. 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 1–1 of 1

Body & structureOther / unspecified
Filed May 18, 2026

[XXX] U.S. Army), Active-Duty Service Member (Stationed at Fort Knox, KY / Residing in Brandenburg, KY) I am reporting a severe structural manufacturing defect involving the room slide-out assembly on the driver-side flank of the vehicle body. Certified diagnostic testing and structural tolerance layouts executed by the component manufacturer, Lippert (LCI Case #[XXX]), and servicing dealership technicians (Camping World) have confirmed that the main slide-out housing and framing elements were installed, aligned, and integrated completely out of structural tolerance directly at the Thor Motor Coach assembly plant during production. This structural defect constitutes an uncorrectable manufacturing deviation. Because the slide-out mechanism is fundamentally misaligned within the main load-bearing sidewall of the motorhome, it repeatedly binds, undergoes severe component stress, and fails to close or seat flush against the secondary seals. Operating a 11,000lb+ commercial-chassis motorhome with a structurally out-of-tolerance slide-out housing introduces substantial safety hazards to public highways: Catastrophic Unintended Deployment: The mechanical stress and structural warping prevent the locking mechanisms and gear teeth from seating safely. Vibration at highway speeds risks structural latch failure, which could result in a partial or full unintended slide-out deployment while traveling at high speeds. Because the slide-out frame cannot close symmetrically, the structural integrity of the main driver-side wall is severely degraded. This creates asymmetrical aerodynamic drag and hazardous crosswind vulnerability, risking dynamic instability and potential vehicle roll-overs or lane-drift. In the event of an evasive driving maneuver, the shifting, misaligned mass of the slide-out can cause unpredictable chassis twisting and severe stability control failures, endangering my passengers and sharing motorists. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID
11738587
Incident
Jul 10, 2023

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 .