2022 Thor Motor Coach Palazzo problems, complaints & recalls
Most-reported problem areas: Wheels (1) · Tires:valve (1) · Structure:body (1)
Safety recalls (1)
Equipment:recreational Vehicle/Trailer 2023-02-23 · campaign 23V113000 · 1,969 vehicles
Defect: Thor Motor Coach (TMC) is recalling certain 2015-2023 Palazzo recreational vehicles. The front lower cap brackets that support the front fiberglass panel may become loose and detach from the vehicle while in motion.
Risk: A detached bracket can become a road hazard, increasing the risk of a crash.
Fix: Dealers will inspect and replace the front lower brackets, as necessary, free of charge. Owner notification letters were mailed March 15, 2023. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000291.
Service bulletins (3)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2022-02-07 · TSB 22-01 · Service Bulletin/Repair Instructions
if a customer is experiencing inconsistent inverter readings on the firefly panel, please utilize the below instructions.
Steering 2021-06-25 · RC000229SADealer · Service Bulletin/Repair Instructions
on certain detroit model 2 and 3 steer axles, the tie rod arm and steering arm bolts used to assemble front axle assemblies have a lengthwise âseamâ defect which increases stress concentration, potentially leading to bolt failure or loss of pre-load this affects the following thor motor coach
Steering 2021-06-25 · RC000229SAOwner · Service Bulletin/Repair Instructions
on certain detroit model 2 and 3 steer axles, the tie rod arm and steering arm bolts used to assemble front axle assemblies have a lengthwise âseamâ defect which increases stress concentration, potentially leading to bolt failure or loss of pre-load this affects the following thor motor coach
What owners report
2025-09-19 · Structure · 13,160 mi“the contact owns a 2022 thor motor coach pallazo rv built on a 2022 freightliner xc-s chassis. the contact stated that while driving approximately 55-60 mph, the front cap was shuddering, and the contact noticed that the windshield was abnormally moving from side to side. additionally, a prior crack on the windshield was expanding due to the failu…”
2023-03-22 · Tires:valve“re: nhtsa #21v-921 referring to this recall, when freightliner performed this recall, they removed the stem extension without replacing it with a properly functioning stem extension. i consider this repair to be unacceptable as it does not provide access to the air stem on the inner rear tires without having to jack up the motorhome and crawling…”
2022-11-18 · Structure:body“the thor palazzo has 2 braces in the front "nose" area of the coach-these braces are metal brackets that attach the front fiberglass nose to the area that contains the generator and fans for the air conditioner and other front-end components. these braces attach at both ends: the front part of the brace attaches w/ screws to a piece of wood that is…”
2022-06-06 · Wheels“on several occasions, i have received a "high tire pressure" warning indicating that one of my tires is either too hot or the pressure is excessive. on other occasions, i have gotten a high tire temperature warning. daimler truck north america issued a campaign on this (number sf644a-c) and i took my motorhome in to get repaired. they reprograme…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.