Dynamax recall: Fuel system, diesel
What is wrong
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.
What could happen
A coolant hose failure can cause the engine to overheat, increasing the risk of a crash.
The fix
Dealers will re-pin the wiring harness, re-route the coolant hoses, and replace parts as necessary, free of charge. Owner notification letters were mailed October 20, 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
- Dynamax Grand Sport Gt 2026–2027
Facts
- NHTSA recall number
- 26V603000
- Type
- Vehicle
- Filed by
- Forest River, Inc.
- Reported to NHTSA
- Sep 21, 2026
- Owners notified
- Oct 20, 2026
- Vehicles or items affected
- 16
- Started by
- The manufacturer
- Built
- Dec 24, 2025 to Apr 30, 2026
- Part
- Fuel system, diesel › Pre-heater
- Maker's own recall number
- 40-2097
Other recalls for the same vehicles
- Dynamax recall: Electrical system Mar 5, 2026
To check one car, enter its 17-character VIN on the official NHTSA page: a recall may cover only some vehicles of a model year.
Recall data: National Highway Traffic Safety Administration (NHTSA). Nebula is not affiliated with or endorsed by NHTSA.