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Dynamax Grand Sport GT recall 26V603000 - 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
How this recall compares
- NHTSA's recalls file lists 624 recall campaigns from Forest River, Inc since 2010, 31 of them reported in 2026 so far.
- At 16 vehicles, it is smaller than 88% of the 791 NHTSA campaigns from 2026 so far with a count of potentially affected vehicles.
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 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.
Affected vehicles
| Make | Model | Year |
|---|---|---|
| Dynamax | Grand Sport Gt | 2026 |
| Dynamax | Grand Sport Gt | 2027 |
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