Home › Recall events › Dynamax recall - Pre-Heater
Dynamax recall - Pre-Heater
NHTSA · September 21, 2026
- NHTSA recall campaign 26V603000 (Dynamax), reported .
- Potentially affected vehicles: 16.
- Component: Pre-Heater.
- Details as of ; the linked official notice is authoritative for lot codes, VINs, and remedies.
- Agency
- NHTSA
- Posted
- Recalling firm
- Forest River, Inc.
- Source ID
- 26V603000
Defect
Forest River, Inc (Forest River) is recalling certain 2026-2027 Dynamax Grand Sport GT recreational vehicles. The engine pre-heat pump may have been improperly installed, causing the coolant hose to fail.
Consequence
A coolant hose failure can cause the engine to overheat, increasing the risk of a crash.
Corrective action
Dealers will re-pin the wiring harness, re-route the coolant hoses, and replace parts as necessary, free of charge. Owner notification letters are expected to be mailed October 31, 2026. Owners may contact Forest River customer service at 1-574-522-1583. Forest River's number for this recall is 40-2097.
Affected vehicles
| Make | Model | Year |
|---|---|---|
| Dynamax | Grand Sport Gt | 2026 |
| Dynamax | Grand Sport Gt | 2027 |
Related: Vehicle recalls · All recall events