NHTSA Recall 26V603000: Pre-heater (fuel system)
Forest River, Inc. reported this safety recall to NHTSA on , covering an estimated 16 vehicles. It affects 2026–2027 Dynamax Grand Sport GT.
| NHTSA campaign | 26V603000 |
|---|---|
| Manufacturer campaign | 40-2097 |
| Component | FUEL SYSTEM, DIESEL › PRE-HEATER |
| Report received | September 21, 2026 |
| Initiated by | Manufacturer |
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.
Safety risk
A coolant hose failure can cause the engine to overheat, increasing the risk of a crash.
Remedy
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.
Vehicles covered by recall 26V603000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.