2021 Forest River CARDINAL problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
1 owner complaints analyzed
6 distinct recall campaigns
Not available median reported failure mileage
Scope: 2021 model year. Data snapshot: . 0 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Structure is the most frequently named component, appearing in 1 of 1 complaints (100.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 1 | 100.0% |
| Electrical and battery issues | 1 | 100.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Structure | 1 |
| Unknown Or Other | 1 |
Structure: 1; Unknown Or Other: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 1 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2025 | 1 |
2025: 1
Pattern summary
Structure leads the component reports. Transmission and shifting appears in 1 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11680535 · 2025-08-13 (August 13, 2025)
Frame and Structural Integrity - Forest River Cardinal 366DLVE Doors and slide-outs open during transport. Cracks near the corners of upper deck slide openings. Separation of interior or exterior panels. Rub marks on floors under slide outs. Closet doors always coming off track in front bedroom. (cap) Excessive frame flex acknowledged by independent RV/trailer repair. Sawdust in the nose of the RV. Furniture rubbing walls or moving up and down or forward and back, every road trip. Unscrewing, loose, missing, or bent lag screws in the upper deck…
Owner-reported narrative. Look up ODI 11680535 at NHTSA ↗