AI Damage2021 Spartan K3: common problems
The maker issued 10 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 10
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 3 |
| Engine and cooling | 0 | 0 | 2 |
| Forward collision avoidance | 0 | 0 | 2 |
| Suspension | 0 | 0 | 2 |
| Electrical system | 0 | 0 | 1 |
| Steering | 0 | 0 | 1 |
| Tires | 0 | 0 | 1 |
| Other | 0 | 0 | 1 |
Comparison
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Forward collision avoidance. Radar and camera: calibration after bumper or windshield replacement.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This service bulletin is about certain vehicles equipped with 92 inch or longer roof mounted light bars…
This service bulletin is about certain vehicles equipped with 92 inch or longer roof mounted light bars that could experience fracture of the light bar mounting brackets, as well as provides instructions to replace the…
- This service bulletin is about the power steering fluid level sensor could exhibit leaks where sensor…
This service bulletin is about the power steering fluid level sensor could exhibit leaks where sensor seals against power steering reservoir and provides instructions on replacing current power steering level sensor…
- This service bulletin provides instructions to inspect and rewire 120V box in accordance with diagram
Revision to the previous bulletin released.
- This bulletin provides a remedy for a loose drive belt on the engine in the event of premature wear
- Vehicles subject to this service bulletin may be equipped with an engine cooling fan drive belt that could…
- This is Wabco/ZF's document that provides instruction on how to reprogram the CMS radar
- This service bulletin provides instructions on how to reduce the potential for perceived false positive…
This service bulletin provides instructions on how to reduce the potential for perceived false positive activation of the Collision Mitigation System.
- This service bulletin describes the process to remove and replace the control module for the tire pressure…
This service bulletin describes the process to remove and replace the control module for the tire pressure monitoring system that was originally equipped with a non-required resistor that may cause disruption to…
- This service bulletin applies to certain motor homes and has been issued to have the correct torque…
This service bulletin applies to certain motor homes and has been issued to have the correct torque applied to certain fasteners at the rear suspension that is supplied by Reyco Granning,
- This service bulletin has been issued to correct a condition where the lower shock mounting bracket…
This service bulletin has been issued to correct a condition where the lower shock mounting bracket fasteners may loosen or sheer where they connect to the independent front suspension supplied by Reyco Granning.
Other years of this model
Questions and answers
What are the most common problems with the 2021 Spartan K3?
There are no owner complaints in the NHTSA data for this year; the data comes from 10 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2021 Spartan K3?
NHTSA lists 10 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 2021 Spartan K3 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 2021 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 2026-11-04.