AI DamageThor Motor Coach Challenger: problems, complaints, bulletins
Summary for the Thor Motor Coach Challenger across 5 model years: 0 owner complaints and 3 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
| Year | Owner complaints | involving a crash | Technical service bulletins (TSB) | YouTube repair videos |
|---|---|---|---|---|
| 2022 | 0 | 0 | 2 | 0 |
| 2021 | 0 | 0 | 1 | 0 |
| 2018 | 0 | 0 | 1 | 0 |
| 2017 | 0 | 0 | 1 | 0 |
| 2016 | 0 | 0 | 1 | 0 |
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 3 |
| Engine and cooling | 0 | 0 | 2 |
| Powertrain | 0 | 0 | 2 |
| Other | 0 | 0 | 1 |
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Thor Motor Coach (TMC) has been made aware of several incidents involving trailer hitch receivers…
- On your vehicle, the rear axle may contain an inadequate volume of lubricating oil
- This letter stated that there was one (1) Service Notification issued for the month of October, 2017
Other models of this make
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 2026-11-04.