AI Damage2019 Thor Motor Coach Palazzo: common problems
Owners of the 2019 Thor Motor Coach Palazzo filed 2 complaints with NHTSA, most often about engine and cooling and visibility. The maker issued 1 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 2
- Technical service bulletins (TSB)
- 1
What fails most often
- 1 Engine and cooling 50% of all complaints
- 2 Visibility 50% of all complaints
- Engine and cooling: 1 complaints (50% of all).
- Visibility: 1 complaints (50% of all).
Symptoms owners describe
How many of the 2 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine and cooling | 1 | 0 | 0 |
| Visibility | 1 | 0 | 0 |
| Structure | 0 | 0 | 1 |
| Other | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The contact stated that while driving at an undisclosed speed, the driver's side rear window independently detached and flew off. The RV was taken to the dealer, where the contact was informed that the driver's side rear window was defective and needed to be replaced. The RV was repaired.
Driving down the highway and the DEF check engine light came on. It indicated to pull over and shut down immediately. I was on a highway that had long 7% grade hills with minimal places to pull over in arizona mou tain range. I was able to make it home after engine debated.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 19,879 of 36,656 model years in the NHTSA data (among the 46% least complained about).
On average one model year of the Palazzo has 6 complaints (8 years in the data). This year has 2, below average.
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Visibility. Wipers, mirrors, defrosters, cracked glass.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- The overhead cabinets located above the driver and front passenger seats may become loose during travel
This Technical Service Bulletin will be gathering information regarding this possible concern and will provide guidance on how to ensure the overhead cabinets are properly secured in the motorhome.
Other years of this model
Questions and answers
What are the most common problems with the 2019 Thor Motor Coach Palazzo?
Owner complaints to NHTSA most often mention: engine and cooling, visibility. Total complaints: 2. The most frequent symptoms in complaint texts: warning lights, check engine (50%), windows, sunroof (50%).
How many service bulletins (TSB) were issued for the 2019 Thor Motor Coach Palazzo?
NHTSA lists 1 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2019 Thor Motor Coach Palazzo from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2019 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.