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Vehicle recall 18V385000 · June 8, 2018

Thor Motor Coach Chateau, Four Winds and 5 more models

The U-bolts on the rear axle that hold the leaf spring and rear axle together may have been insufficiently tightened.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Thor Motor Coach (TMC) is recalling certain 2019 Thor Four Winds, Chateau, Freedom Elite, Majestic, Outlaw, Quantum and Vegas motorhomes built on modified Ford E-450 chassis. The U-bolts on the rear axle that hold the leaf spring and rear axle together may have been insufficiently tightened.
Consequence
The loose U-bolts may further loosen or break allowing the axle to separate and cause a loss of control, increasing the risk of a crash.
Remedy
TMC has notified owners, and dealers will tighten U-bolts to the proper torque, free of charge. The recall began on June 22, 2018. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000156.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Recall details

NHTSA campaign
18V385000
Reported to NHTSA
June 8, 2018
Filed by
Thor Motor Coach
Manufacturer campaign
RC000156
Owner notification
June 22, 2018
Vehicles potentially affected
691
Initiated by
the manufacturer
Components
Suspension › Rear › Springs › Leaf spring assembly › U-bolt, leaf spring to axle
Recall 18V385000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Thor Motor Coach been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Thor Motor Coach dealer can also check your VIN. Recall repairs are free.