We purchased a 2017 thor palazzo 36.1 motor home in jan 2017. Saw that a trim ring was put on the floor of the rear bath. We assumed this was for access to the rear diesel engine. We discovered that although the trim ring was screwed down no access to the diesel engine was cut out. When we called thor customer service we were told the thor palazzo model did not have specs for an engine access panel. We asked then why a trim ring installed? They did not have an answer to this. Fast forward to fall 2018 we had a small compressor leak in the engine so took to freightliner nw to repair. They said the interior engine access should have been cut out at thor to work on engine and for safety (fire or other). Freight liner nw showed us a picture of under the rear bath where there is an access panel. Thor just put flooring and trim ring over without cutting out actual panel. Wrote a review on yelp thor motor coach to voice our frustration. Thor contacted us and said they will approve to cut out interior engine access.they are only approving 1 1/2 hrs. Of labor to do so no materials. This will cost more to cut out but additional will be at our expense. We feel this is a neglected willful act in production that can have not only expense but cause possible harm or worse to the consumer. We are hoping that this will lead to a recall to check for engine access panels in thor motor coach diesel motor home models.
The worst 2017 Thor Palazzo problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Body1
- Engine1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Body1
- Engine1
Recalls 4
Exterior lighting: turn signal
- What is wrong
- Thor Motor Coach (TMC) is recalling certain 2017 Tuscany XTE and 2017-2019 Venetian, Aria, Tuscany, and Palazzo motorhomes built on Freightliner Custom Chassis Corporation chassis. The Power Distribution Module (PDM) may have been damaged during manufacturing, possibly resulting in the rear marker lights, brake lights, or turn signals not functioning.
- Risk
- Nonfunctioning lights can increase the risk of a crash.
- Remedy
- The remedy for this recall is still under development. Daimler Trucks North America, the manufacturer of the chassis began issuing owners an interim notification on October 24, 2018, and will send a second notification when parts become available. The recall began October 30, 2018. Owners may contact TMC customer service at 1‑877‑855‑2867. TMC's number for this recall is RC000163.
Recall number 18V763000 · Recall details
Equipment
- What is wrong
- Thor Motor Coach (Thor) is recalling various 2003-2018 recreational vehicles, equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. See a list of the affected trailer models at: These extinguishers may become clogged, preventing the extinguisher from discharging as expected or excessive force may be needed to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit:
- Risk
- In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.
- Remedy
- Thor will notify owners, instructing them to contact Kidde for a replacement fire extinguisher, free of charge. The recall began on January 15, 2018. Owners may contact Thor customer service at 1‑877‑500‑1020, or Kidde customer service toll-free at 1‑855‑262‑3540, or online at www.kidde.com and click on "Product Safety Recall" for more information.
Recall number 17V758000 · Recall details
Equipment: other: labels
- What is wrong
- Thor Motor Coach (TMC) is recalling certain 2017-2018 Challenger, Axis, Chateau, Four Winds, Hurricane, Miramar, Palazzo, Tuscany, Vegas, Venetian, and Windsport motorhomes. The cargo carrying capacity (CCC) label on these vehicles may indicate an incorrect water capacity for the water heater/fresh water tank. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 120, "Tires and Rims for Motor vehicles over 10,000lbs."
- Risk
- If the water capacity information is incorrect and it causes the vehicle to be over loaded, there would be an increased risk of a crash.
- Remedy
- TMC will notify owners and send them corrected labels, free of charge. The recall began on November 15, 2017. Owners may contact TMC customer service at 1‑877‑500‑1020. TMC's number for this recall is RC000147.
Recall number 17V634000 · Recall details
Equipment: other: labels
- What is wrong
- Thor Motor Coach (TMC) is recalling certain 2017 Palazzo 36.1 and 36.3 motorhomes. The Federal certification label on these vehicles indicates an incorrect front tire rim size. As such, these vehicles fail to comply with the requirements of 49 CFR Part 567, "Certification."
- Risk
- If the front rim is replaced based on the incorrect label information, it can cause an unsafe driving condition, increasing the risk of a crash.
- Remedy
- TMC will notify owners and will provide corrected replacement labels, free of charge. The recall began on June 2, 2017. Owners may contact TMC customer service at 1‑877‑500‑1020. TMC's number for this recall is RC000133.
Recall number 17V238000 · Recall details
See all 4 recalls for the 2017 Thor Palazzo
Defect investigations
Trimark 060-1650 Door Latch Failures
On November 23, 2020, the Office of Defects Investigation (ODI) opened PE20021 to investigate allegations of inoperative Trimark THP 060-1650 door lock/latches originally equipped on model years (MY) 2015-2017 Class A and Class C motorhomes.ODI received forty-six Vehicle Ownerâs Questionnaires (VOQs) describing consumers being locked in or out of their vehicles.The door latch, containing a die-cast zinc plunger, was produced by Equality during calendar years 2014-2016. The die-cast may become porous and brittle over time and can break without warning, causing the vehicle owner to be unable to open the recreational vehicle door equipped with the latch.If the motorhome does not have any other doors such as some Class A models, occupants could be trapped inside, needing to climb out using the emergency exits. If locked out, owners would be unable to easily get in and retrieve children and pets. ODI analyzed the data provided by Trimark in response to its January 27, 2021 information request letter.Although an elevated failure rate was evident on a specific combination of plunger bolt, door lock/latch assembly and door, the data showed that most failures occurred within the first two years of service on the affected 2015-2017 vehicles.This data suggests that component failures generally would have already occurred.Further, ODI data reflects a downward trend in complaints after calendar year 2018 and for post- MY 2016 vehicles.This downward trend may be attributed Trimark's actions in 2016 such as changes in the manufacturing process of its zinc plunger component for the relevant population and its 2016 decision to switch to a steel plunger. In view of the nature of early-life failure, and failure rate trending downward for model years 2017 and newer, this Preliminary Evaluation (PE) is closed. The closing of this investigation does not constitute a finding by the federal safety agency that a safety-related defect does not exist.The Agency reserves the right to take additional action if warranted by future circumstances. To review the ODI reports cited in the Closing Resume ODI Report Identification Number document, go to
PE20021
Technical service bulletins for the 2017 Thor Palazzo 2
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
What 2017 Thor Palazzo owners say
Most recent owner complaints, unedited.
Locking mechanism on entry door stuck in locked position. I had to go to dealer and have service department open the door. Passengers may not be able to exit in an emergency. Vehicle was stationary.
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Questions about the 2017 Thor Palazzo
Is the 2017 Thor Palazzo reliable?
Owners have filed 2 complaints about the 2017 Thor Palazzo, close to a typical Palazzo model year.
What is the most common problem with the 2017 Thor Palazzo?
Body and structure, with 1 complaint. Next is engine (1).
How many recalls does the 2017 Thor Palazzo have?
4 recalls, covering exterior lighting and equipment.
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