AI DamageThor Motor Coach Quantum: problems, complaints, bulletins
Summary for the Thor Motor Coach Quantum across 7 model years: 0 owner complaints and 16 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 9 |
| Equipment | 0 | 0 | 7 |
| Steering | 0 | 0 | 6 |
| Engine and cooling | 0 | 0 | 3 |
| Service brakes | 0 | 0 | 2 |
| Structure | 0 | 0 | 2 |
| Wheels | 0 | 0 | 1 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Wood stiles are delaminating due to the vendor changing the glue used for the wrapped stiles
- It has been discovered that on certain Flame King model SMPC 20.3 Gallon LP tanks, there is a faulty fill…
- MBAG has determined that on certain model year 2019-2020 Sprinter vehicles, the retaining washer on the…
- MBAG has determined that on certain model year 2019-2020 Sprinter vehicles, the retaining washer on the…
- According to the tire manufacturer, Continental Tire the Americas (CTA), the affected tires may have an…
- On certain model year 2012â 2018 5-ton Sprinter vehicles that were upfitted into campers or recreational…
- us
- On your vehicle, it may be possible that the engine cover insulation does not fully extend to the…
- On your vehicle, it may be possible that the engine cover insulation does not fully extend to the…
- Model/Model Year to Add
- It has been determined that on certain Mercedes-Benz Sprinter vehicles, the hydraulic power steering…
- During production, the FM antenna was not included on the new 32â Connex Entertainment TVs (TMC Part #…
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.