Dynamax recall: 2026–2027 Grand Sport GT – fuel system
Forest River, Inc. is recalling 2026–2027 Dynamax Grand Sport GT because of a crash risk – 16 vehicles (potentially affected). The recall report reached NHTSA on September 21, 2026. Distributed nationwide.
Lower risk A safety recall: the manufacturer or NHTSA found a vehicle defect that poses a risk to safety, or a failure to meet a federal safety standard. The remedy is free.
Share
| Product | 2026–2027 Dynamax Grand Sport GT |
| Brand | Dynamax |
| Company | Forest River, Inc. |
| Type | Vehicles |
| Classification | Vehicle |
| Report received | September 21, 2026 |
| Published by NHTSA | September 21, 2026 |
| Quantity | 16 vehicles (potentially affected) |
| Recall ID | 26V603000 |
Vehicles in this recall
| Make | Model | Model years |
|---|---|---|
| Dynamax | Grand Sport GT | 2026–2027 |
Identifiers and details
- NHTSA campaign number
- 26V603000
- Manufacturer recall number
- 40-2097
- Component
- FUEL SYSTEM, DIESEL: PRE-HEATER
- Built
- 2025-12-24 to 2026-04-30
- Recalled part
- Coolant Hose & 12V Wiring · Coolant Hose & 12V Wiring · Coolant Hose & 12V Wiring
- Initiated by
- Manufacturer
Why it was recalled
The problem: a crash risk.
NHTSA's defect summary: “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.”
The consequence, according to NHTSA: “A coolant hose failure can cause the engine to overheat, increasing the risk of a crash.”
What to do
NHTSA: “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.”
Enter your 17-character vehicle identification number (VIN) at nhtsa.gov/recalls or on the manufacturer's site to see whether your vehicle is included. Safety recall repairs are free at an authorized dealer, even if the vehicle is used or out of warranty.
Official notice: NHTSA recall 26V603000.
Other Dynamax recalls
| Date | Recall | Problem | Agency |
|---|---|---|---|
| Sep 23, 2026 |  Dynamax recall: 2026–2027 Isata – equipmentVehicles · 41 vehicles (potentially affected) | an injury risk Lower risk | NHTSA Vehicle |
| Sep 23, 2026 | Dynamax recall: 2026–2027 Isata – structureVehicles · 111 vehicles (potentially affected) | an injury risk Lower risk | NHTSA Vehicle |
Other vehicle recalls
| Date | Recall | Problem | Agency |
|---|---|---|---|
| Oct 9, 2026 | Lippert recall: Seating Power Cord – electrical systemVehicles · 4,435 units (potentially affected) | a fire risk Lower risk | NHTSA Equipment |
| Oct 9, 2026 | Grand Design recall: 2026–2027 Imagine – equipmentVehicles · 148 vehicles (potentially affected) | a crash risk Lower risk | NHTSA Vehicle |
| Oct 8, 2026 | Genesis recall: 2017–2020 G80 and 1 more – seatsVehicles · 94,622 vehicles (potentially affected) | a fire risk Most serious | NHTSA Vehicle |
| Oct 8, 2026 | Honda recall: 2023–2026 Accord Hybrid and 2 more – tiresVehicles · 4,804 vehicles (potentially affected) | an injury risk Lower risk | NHTSA Vehicle |
| Oct 8, 2026 | Tiffin recall: 2022–2025 Allegro Bus and 1 more – fuel systemVehicles · 177 vehicles (potentially affected) | a fire risk Lower risk | NHTSA Vehicle |
| Oct 7, 2026 | Toyota recall: 2026 RAV4 Plug-in Hybrid – engine and engine coolingVehicles · 30,978 vehicles (potentially affected) | a crash risk Serious | NHTSA Vehicle |
About this recall
Is Dynamax 2026–2027 Dynamax Grand Sport GT recalled?
Yes. Forest River, Inc. reported the recall to NHTSA on September 21, 2026; NHTSA published it September 21, 2026 (Vehicle). Only the vehicles listed on this page are included.
Why was it recalled?
Because of a crash risk. 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 should I do if I have it?
NHTSA says: 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.
Where was it sold?
Nationwide.
More recalls
Source: recall records published by the U.S. Food and Drug Administration (openFDA Enforcement Reports), the USDA Food Safety and Inspection Service, the Consumer Product Safety Commission and the National Highway Traffic Safety Administration, collected twice a day. Product names, lot codes, dates and model numbers are shown exactly as the agency lists them; the agency's notice is the authority. 77.today is not affiliated with any of these agencies.